Gall insects hi-res stock photography and images - Page 15

Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), gall at a leaf of an elm, Germany Stock Photo

RMTR62DB–Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), gall at a leaf of an elm, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. ralnear each other, polythalamous, length i to 3 cm. Rohw. 09, p. 15 Hym. Euura nodus WalshGradual twig enlargement, length 30 mm, diameter 7 to 10 mm, on S. 1 u t e o -sericea. Rohw. 09, p. 16 Hym. Euura macgillivrayi Rohw.2 z^ NEW YORK STATE MUSEUM Twigs enlargement, abrupt basally, resembles that of E. m a c g i 1 1 i v r a y iRohw. 09, p. 24. Hym. Euura propinquus Rohw.A mass of filamentous structures on the stem. Walsh 66, p. 227 Acarid. Eriophyes aenigma WalshApical, fusiform, beaked gall, length Stock Photo

RM2AG6J1C–. Report of the State Entomologist on injurious and other insects of the state of New York. ralnear each other, polythalamous, length i to 3 cm. Rohw. 09, p. 15 Hym. Euura nodus WalshGradual twig enlargement, length 30 mm, diameter 7 to 10 mm, on S. 1 u t e o -sericea. Rohw. 09, p. 16 Hym. Euura macgillivrayi Rohw.2 z^ NEW YORK STATE MUSEUM Twigs enlargement, abrupt basally, resembles that of E. m a c g i 1 1 i v r a y iRohw. 09, p. 24. Hym. Euura propinquus Rohw.A mass of filamentous structures on the stem. Walsh 66, p. 227 Acarid. Eriophyes aenigma WalshApical, fusiform, beaked gall, length

RMTR62DE–Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), gall at a leaf of an elm, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. lt.Deformed needles of P. e d u 1 i s. (Original) Green or brown, polythalamous, produced, conelike swelling on Colorado bluespruce, length 5 cm, diameter 2.5 cm. PI. 14, fig. i. Felt iim, p. 37 Aphid. Long spruce cone gall, Chermes cooleyi Gill. Abies (fir) Reared from seeds. Fig. 10. Felt i5e, p. 162 Itonid. Fir seed midge, Dasyneura canadensis FeltInfertile seed of Douglas fir. Crosby 09, p. 379 Hym. Fir seed wasp, Megastigmus sperm otrophus Wachtl.Apical bud gall. PI. 5, fig. 9. Felt 143, p. 77 Iton Stock Photo

RM2AG6PAK–. Report of the State Entomologist on injurious and other insects of the state of New York. lt.Deformed needles of P. e d u 1 i s. (Original) Green or brown, polythalamous, produced, conelike swelling on Colorado bluespruce, length 5 cm, diameter 2.5 cm. PI. 14, fig. i. Felt iim, p. 37 Aphid. Long spruce cone gall, Chermes cooleyi Gill. Abies (fir) Reared from seeds. Fig. 10. Felt i5e, p. 162 Itonid. Fir seed midge, Dasyneura canadensis FeltInfertile seed of Douglas fir. Crosby 09, p. 379 Hym. Fir seed wasp, Megastigmus sperm otrophus Wachtl.Apical bud gall. PI. 5, fig. 9. Felt 143, p. 77 Iton

RMTR62DD–Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), gall at a leaf of an elm, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. .5 to1.5 cm. Fig. 173. Osten Sacken 62, p. 201 Itonid. Grape tomato gall, Lasioptera vitis O. S.Reared from similar gall. Felt i5e, p. 134 Itonid. Dasyneura vitis FeltReared from similar gall. Felt 156, p. 206 Itonid. R h i z o m y i a vitis FeltReared from similar gall. Felt 13m, p. 220 Itonid. Brachyneura vitis FeltReared from similar gall. Felt o8e, p. 392 Itonid. Janetiella brevicauda Felt 168 NEW YORK STATE MUSEUM Vein galls, solitary or confluent, frequently distorting the leaf and showing onboth Stock Photo

RM2AG5ABP–. Report of the State Entomologist on injurious and other insects of the state of New York. .5 to1.5 cm. Fig. 173. Osten Sacken 62, p. 201 Itonid. Grape tomato gall, Lasioptera vitis O. S.Reared from similar gall. Felt i5e, p. 134 Itonid. Dasyneura vitis FeltReared from similar gall. Felt 156, p. 206 Itonid. R h i z o m y i a vitis FeltReared from similar gall. Felt 13m, p. 220 Itonid. Brachyneura vitis FeltReared from similar gall. Felt o8e, p. 392 Itonid. Janetiella brevicauda Felt 168 NEW YORK STATE MUSEUM Vein galls, solitary or confluent, frequently distorting the leaf and showing onboth

RMTR62DC–Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), gall at a leaf of an elm, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. SO. Alder bud gall, D a s y -neuraserrulatae O. S. (Origi-nal) Fig. SI. Chestnut bud gall,Rhopalomyia casta-n e a e Felt. (Original) A rosy pink erineum in large patches on upper leaf surface, on B. 1 e n t a. Chad. 08, p. 128 Acarid. Eriophyes sp. Small, irregtilar, mostly elongate, red, crummy leaf patches on B. alba,B. nigra. Chad. 08, p. 128 Acarid. Eriophyes sp.Yellowish white to brownish erineum, forming large patches on the under surfaceof the leaf, on B. papyrifera. Chad. 08, p. 129 Acarid. Stock Photo

RM2AG6F7K–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. SO. Alder bud gall, D a s y -neuraserrulatae O. S. (Origi-nal) Fig. SI. Chestnut bud gall,Rhopalomyia casta-n e a e Felt. (Original) A rosy pink erineum in large patches on upper leaf surface, on B. 1 e n t a. Chad. 08, p. 128 Acarid. Eriophyes sp. Small, irregtilar, mostly elongate, red, crummy leaf patches on B. alba,B. nigra. Chad. 08, p. 128 Acarid. Eriophyes sp.Yellowish white to brownish erineum, forming large patches on the under surfaceof the leaf, on B. papyrifera. Chad. 08, p. 129 Acarid.

Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), gall on elm leaf, Germany, North Rhine-Westphalia Stock Photo

RMTR6TBW–Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), gall on elm leaf, Germany, North Rhine-Westphalia

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 138. C e c i d o m y i a sp.on Crataegus, ai840. (Original) Fig. 139. Thorn vein gall, L o b o p t -eromyia venae Felt, typical andconfluent forms. (Original) Cockscomb leaf gall, green and red, length i cm. Felt 07a, p. 160 Itonid. Thorn cockscomb gall, Hormomyia crataegifolia Felt KEY TO AMERICAN INSECT GALLS 137. ELBGutenmuller Fig. 140. 1-3. Cinquefoil axil gall, Gonaspis potentillae Bass. 4-i4- Diastrophusniger Bass. 15, 16. Fusiform stem gall, D. fusiformans Ashm. (After Beutm., Am. Mus,Nat. Stock Photo

RM2AG5JB8–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 138. C e c i d o m y i a sp.on Crataegus, ai840. (Original) Fig. 139. Thorn vein gall, L o b o p t -eromyia venae Felt, typical andconfluent forms. (Original) Cockscomb leaf gall, green and red, length i cm. Felt 07a, p. 160 Itonid. Thorn cockscomb gall, Hormomyia crataegifolia Felt KEY TO AMERICAN INSECT GALLS 137. ELBGutenmuller Fig. 140. 1-3. Cinquefoil axil gall, Gonaspis potentillae Bass. 4-i4- Diastrophusniger Bass. 15, 16. Fusiform stem gall, D. fusiformans Ashm. (After Beutm., Am. Mus,Nat.

beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), galls on a beech leaf, Germany Stock Photo

RMCNYJPW–beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), galls on a beech leaf, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 131. Witch-hazel cone gall, Fig, 132. Eriophyes galls on Exo- Hormaphis hamamelidis chorda. (Original) Fitch. (Original) Fleshy vein folds, length 2 cm. Felt iij, p. 461 Itonid. Cecidomyia sp.Purplish, corrugated folds between veins. Felt iij, p. 461 Itonid. Cecidomyia sp.Greenish blister leaf gall, diameter 3 to 4 mm. Felt i ik, p. 481 Itonid. A s t e r o m y i a n i g r i n a FeltPurplish blister leaf gall, diameter 5 mm. Felt iij, p. 461 Itonid. Cecidomyia sp.Conical, greenish or reddish gall on Stock Photo

RM2AG5K65–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 131. Witch-hazel cone gall, Fig, 132. Eriophyes galls on Exo- Hormaphis hamamelidis chorda. (Original) Fitch. (Original) Fleshy vein folds, length 2 cm. Felt iij, p. 461 Itonid. Cecidomyia sp.Purplish, corrugated folds between veins. Felt iij, p. 461 Itonid. Cecidomyia sp.Greenish blister leaf gall, diameter 3 to 4 mm. Felt i ik, p. 481 Itonid. A s t e r o m y i a n i g r i n a FeltPurplish blister leaf gall, diameter 5 mm. Felt iij, p. 461 Itonid. Cecidomyia sp.Conical, greenish or reddish gall on

RMCNYJR8–beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), galls on a beech leaf, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 135-June berrylipped gall,HormomyiacanadensisFelt. Badlyinfested leaf.(Original). Fig. 136. Itonida ca na d e n s i s Felt.Upper and lower surface, the latter enlarged.(Original) Sorbtis (mountain ash) Rudimentary or infertile seeds. Crosby 09, p. 369 Hym. S y n t o m a s p i s d r u p a r u m Boh.Rudimentary or infertile seeds. Crosby 09, p. 375 Hym. Megastigmus brevicaudis Ratz.Blister leaf gall. Parrott et al. 06, p. 298 Acarid. Pear blister mite, Eriophyes p y r i Pgst.Light brown or whitish er Stock Photo

RM2AG5K2C–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 135-June berrylipped gall,HormomyiacanadensisFelt. Badlyinfested leaf.(Original). Fig. 136. Itonida ca na d e n s i s Felt.Upper and lower surface, the latter enlarged.(Original) Sorbtis (mountain ash) Rudimentary or infertile seeds. Crosby 09, p. 369 Hym. S y n t o m a s p i s d r u p a r u m Boh.Rudimentary or infertile seeds. Crosby 09, p. 375 Hym. Megastigmus brevicaudis Ratz.Blister leaf gall. Parrott et al. 06, p. 298 Acarid. Pear blister mite, Eriophyes p y r i Pgst.Light brown or whitish er

Oak-apple gall wasp, Oak apple (Biorrhiza pallida, Biorhiza pallida), sitting on oak apple, Germany Stock Photo

RMH00364–Oak-apple gall wasp, Oak apple (Biorrhiza pallida, Biorhiza pallida), sitting on oak apple, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. 176. Lindenbark gall, A g r o -m y z a t i 1 i a eCoud. (Original) Green, pouch gall with irregularly-lobed top and mostly on the under surface ofthe leaf, on V. c o r d i f o 1 i a. Chadwick 08, p. 151 Acarid. Eriophyes sp.An erineum on the under side of the leaf, causing a swelling above, onV. V i n i f e r a. Chadwick 08, p. 151 Acarid. Eriophyes vitis Land.A leaf curl or warty, greenish elevation on the upper surface of the leaf, entirelysmooth on the underside, becoming brown or reddish when old, o Stock Photo

RM2AG59PN–. Report of the State Entomologist on injurious and other insects of the state of New York. 176. Lindenbark gall, A g r o -m y z a t i 1 i a eCoud. (Original) Green, pouch gall with irregularly-lobed top and mostly on the under surface ofthe leaf, on V. c o r d i f o 1 i a. Chadwick 08, p. 151 Acarid. Eriophyes sp.An erineum on the under side of the leaf, causing a swelling above, onV. V i n i f e r a. Chadwick 08, p. 151 Acarid. Eriophyes vitis Land.A leaf curl or warty, greenish elevation on the upper surface of the leaf, entirelysmooth on the underside, becoming brown or reddish when old, o

RMH00363–Oak-apple gall wasp, Oak apple (Biorrhiza pallida, Biorhiza pallida), sitting on oak apple, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 245. Diarthrono-myia artemisiae Felt.Several types of spongy gall,one in section. (Original) Ovate, hard, thick-walled, yellowish brown bud gall, length 1.5 cm, diameter.8 cm. (Collected by L. H. Weld) Dipt. T r y p e t i d a2775 Flask-shaped leaf gall, length 4 mm, diameter 2 mm. Fig. 247. Felt i6f, p. 185 Itonid. Wormwood flask gall, Rhopalomyia ampullaria FeltOval, grayish or almost black, solitary or clustered gall on the under side of theleaves, length 1.5 cm. Fig. 248. Felt i6f, p. 194 Itonid Stock Photo

RM2AG52F5–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 245. Diarthrono-myia artemisiae Felt.Several types of spongy gall,one in section. (Original) Ovate, hard, thick-walled, yellowish brown bud gall, length 1.5 cm, diameter.8 cm. (Collected by L. H. Weld) Dipt. T r y p e t i d a2775 Flask-shaped leaf gall, length 4 mm, diameter 2 mm. Fig. 247. Felt i6f, p. 185 Itonid. Wormwood flask gall, Rhopalomyia ampullaria FeltOval, grayish or almost black, solitary or clustered gall on the under side of theleaves, length 1.5 cm. Fig. 248. Felt i6f, p. 194 Itonid

RMH0035Y–Oak-apple gall wasp, Oak apple (Biorrhiza pallida, Biorhiza pallida), sitting on oak apple, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. m in diameter, onQ. tinctoriaand Q. rub r a. PI. 2, fig. 8. Bassett 64, p. 683 Cynipid. Andricus scitulus Bass.Woody, polythalamous twig gall, length 15 mm, diameter 6 mm, resembles thegall of A. scitulus Bass, and that of A. tectus Bass., on Q. i 1 i c i -folia, Q. imbricaria. Bassett 00, p. 311 Cynipid. Andricus t u b e r o s u s Bass. d Twig swollen, dwarfed or distorted into a more or less club-shaped, polythalamous gall Irregular, potato-shaped, polythalamous, woody leaf or twig gall, green in summ Stock Photo

RM2AG6DYB–. Report of the State Entomologist on injurious and other insects of the state of New York. m in diameter, onQ. tinctoriaand Q. rub r a. PI. 2, fig. 8. Bassett 64, p. 683 Cynipid. Andricus scitulus Bass.Woody, polythalamous twig gall, length 15 mm, diameter 6 mm, resembles thegall of A. scitulus Bass, and that of A. tectus Bass., on Q. i 1 i c i -folia, Q. imbricaria. Bassett 00, p. 311 Cynipid. Andricus t u b e r o s u s Bass. d Twig swollen, dwarfed or distorted into a more or less club-shaped, polythalamous gall Irregular, potato-shaped, polythalamous, woody leaf or twig gall, green in summ

Oak-apple gall wasp, Oak apple (Biorrhiza pallida, Biorhiza pallida), on oak apple, Germany Stock Photo

RMH0036J–Oak-apple gall wasp, Oak apple (Biorrhiza pallida, Biorhiza pallida), on oak apple, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 102. Oak spangles, Cecidomyiapoculum O.S., on Q. muhlenbergiae.One gall shown in section. (Original). Fig. 103. Oak spangles,Cecidomyia pocu-lum O. S., on Q. macro-c a r p a. Side view andsection of gall. (Original) Disk-shaped, often flat, greenish leaf galls with a lilac center, the marginirregular, diameter 6 mm, on Q. d o u g 1 a s i i. Fullaway 11, p. 352 Cynipid. Andricus pattersonae F ullw io8 NEW YORK STATE MUSEUM Disk-shaped, flat, hard, smooth, monothalamous galls on the under side ofthe Stock Photo

RM2AG5X42–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 102. Oak spangles, Cecidomyiapoculum O.S., on Q. muhlenbergiae.One gall shown in section. (Original). Fig. 103. Oak spangles,Cecidomyia pocu-lum O. S., on Q. macro-c a r p a. Side view andsection of gall. (Original) Disk-shaped, often flat, greenish leaf galls with a lilac center, the marginirregular, diameter 6 mm, on Q. d o u g 1 a s i i. Fullaway 11, p. 352 Cynipid. Andricus pattersonae F ullw io8 NEW YORK STATE MUSEUM Disk-shaped, flat, hard, smooth, monothalamous galls on the under side ofthe

red larch gall adelgid (Adelges spec., ), two pineapple galls at spruce, Germany Stock Photo

RMDAGFHN–red larch gall adelgid (Adelges spec., ), two pineapple galls at spruce, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 166. Goutyvein midge, D a s y -neura commu-n i s Pelt. Gall onred maple. (Original). Fig. 167. Bladder maple gall, ? P h y 1 -locoptes ? q u a d r i p e s Shim., onred maple, showing lower and upper sur-face and one gall enlarged. (Original) Celastrus (climbing bittersweet)Irregular, subcortical gall on the root, length 2.5 cm, diameter i cm. Stebb. 10,p. 41 Itonid. Cecidomyia celastri vStebb.Irregular, subcortical stem gall, probably identical with the preceding. Felt iij. P-457 Itonid. Cecidomyia Stock Photo

RM2AG5BYW–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 166. Goutyvein midge, D a s y -neura commu-n i s Pelt. Gall onred maple. (Original). Fig. 167. Bladder maple gall, ? P h y 1 -locoptes ? q u a d r i p e s Shim., onred maple, showing lower and upper sur-face and one gall enlarged. (Original) Celastrus (climbing bittersweet)Irregular, subcortical gall on the root, length 2.5 cm, diameter i cm. Stebb. 10,p. 41 Itonid. Cecidomyia celastri vStebb.Irregular, subcortical stem gall, probably identical with the preceding. Felt iij. P-457 Itonid. Cecidomyia

Gall fly (Terellia tussilaginis, Cerajocera tussilaginis), female with ovipositor, Germany Stock Photo

RMDAEE8T–Gall fly (Terellia tussilaginis, Cerajocera tussilaginis), female with ovipositor, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 162. A s p h o n d y 1 i a ? a u r i-p i 1 a. Gall on creosote bush. (Origi-nal). Fig. 163. Box leaf midge,Monarthropalpusb u X i Lab. (Authors illus-tration) Buxaceae (box family)Buxiis (bo-x)Oval, yellowish or brownish blister leaf galls, diameter 2 to 4 mm. Fig. 163.Felt iij, p. 455 Itonid. Box leaf midge, Monarthropalpus buxi Lab. Anacardiaceae (cashew family) Mangifera (mango)Reared from subcortical gall. Felt ogn, p. 299 Itonid. Mango bark midge, Asynapta mangiferae FeltReared from blister le Stock Photo

RM2AG5CA9–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 162. A s p h o n d y 1 i a ? a u r i-p i 1 a. Gall on creosote bush. (Origi-nal). Fig. 163. Box leaf midge,Monarthropalpusb u X i Lab. (Authors illus-tration) Buxaceae (box family)Buxiis (bo-x)Oval, yellowish or brownish blister leaf galls, diameter 2 to 4 mm. Fig. 163.Felt iij, p. 455 Itonid. Box leaf midge, Monarthropalpus buxi Lab. Anacardiaceae (cashew family) Mangifera (mango)Reared from subcortical gall. Felt ogn, p. 299 Itonid. Mango bark midge, Asynapta mangiferae FeltReared from blister le

RMDAEE8Y–Gall fly (Terellia tussilaginis, Cerajocera tussilaginis), female with ovipositor, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. E.L.B e uf en m u Her Fig. III. Oak apples. 1-3. Acom plum gall, Amphibol.ips prunus Walsh. 4,5- A.gainesi Bass. 6, 7. A. fuliginosa Ashm. .8, 9- A. crizonata Ashm. 10,11.Palmers oak apple, A. palmeri Bass. (After Beutm., Am. Mus- Nat. Hist.) Il8 NEW YORK STATE MUSEUM 8 Galls of the fruitsa Galls of the acornInhabiting apparently normal, small acorns or those slightly deformed, onQ. ilicifolia. PI. i, fig. 7. Beutm. i3e, p. 105 Cynipid. Andricus perditor Bass.White kernel or larval cell in the meaty por Stock Photo

RM2AG5RBB–. Report of the State Entomologist on injurious and other insects of the state of New York. E.L.B e uf en m u Her Fig. III. Oak apples. 1-3. Acom plum gall, Amphibol.ips prunus Walsh. 4,5- A.gainesi Bass. 6, 7. A. fuliginosa Ashm. .8, 9- A. crizonata Ashm. 10,11.Palmers oak apple, A. palmeri Bass. (After Beutm., Am. Mus- Nat. Hist.) Il8 NEW YORK STATE MUSEUM 8 Galls of the fruitsa Galls of the acornInhabiting apparently normal, small acorns or those slightly deformed, onQ. ilicifolia. PI. i, fig. 7. Beutm. i3e, p. 105 Cynipid. Andricus perditor Bass.White kernel or larval cell in the meaty por

beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), galls at beech leaves, Germany, North Rhine-Westphalia, Bergisches Land Stock Photo

RMDAKDD3–beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), galls at beech leaves, Germany, North Rhine-Westphalia, Bergisches Land

. Report of the State Entomologist on injurious and other insects of the state of New York. Pemphigus Fig. 115. Slippery elm pouch gail, Pemphiguu 1 mi f u s u s Walsh. (Author • illustration) Fig. I If). Elm sackgall. Tetraneuraulmisacculi Patch.(Authors illustration) Globose, subsessile, yellowish green, sometimes pmk-tinted leaf gall, diameter5toi2mm,onU. mont.na. Fig. 116. ^^^^ ^Se- P- 57 Aphid. Elm sac gall, T e t r a n e u r a u 1 m 1 s a c c u 1 1 PatchCurled and twisted leaves containing numerous mealy-covered Aphids, on U. americana. Felt06b, p. 177 .^i,. a,np Ril Aphid. Elm leal aphi Stock Photo

RM2AG5NHC–. Report of the State Entomologist on injurious and other insects of the state of New York. Pemphigus Fig. 115. Slippery elm pouch gail, Pemphiguu 1 mi f u s u s Walsh. (Author • illustration) Fig. I If). Elm sackgall. Tetraneuraulmisacculi Patch.(Authors illustration) Globose, subsessile, yellowish green, sometimes pmk-tinted leaf gall, diameter5toi2mm,onU. mont.na. Fig. 116. ^^^^ ^Se- P- 57 Aphid. Elm sac gall, T e t r a n e u r a u 1 m 1 s a c c u 1 1 PatchCurled and twisted leaves containing numerous mealy-covered Aphids, on U. americana. Felt06b, p. 177 .^i,. a,np Ril Aphid. Elm leal aphi

beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), mooot in a cut galls at beech leaves, Germany, North Rhine-Westphalia, Bergisches Land Stock Photo

RMDAKDD4–beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), mooot in a cut galls at beech leaves, Germany, North Rhine-Westphalia, Bergisches Land

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 239. R h o -palomyia alti-c o 1 a Ckll. (Au-thors illustration). Fig. 240. p i a r t h -ronomyia flcc-c o s a Felt. (Original) Fig. 241.Dia r t h -ronomyi acalif o r -n i c a Felt.Three galls.(Original) Fig. 242. Rhopa.lo-^myia bethelianaCkll. Cluster of galls.(Original) Achillea (yarrow) Florets apparently normal. Felt o8e, p. 333 Itonid. Yarrow flower midge, Clinorhyncha millefolii Wachtl.Irregularly oval, flower bud gall with a whitish pubescence, length 7 mm. Itonid. ?Rhopaloniyia millefolii H. Stock Photo

RM2AG53A8–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 239. R h o -palomyia alti-c o 1 a Ckll. (Au-thors illustration). Fig. 240. p i a r t h -ronomyia flcc-c o s a Felt. (Original) Fig. 241.Dia r t h -ronomyi acalif o r -n i c a Felt.Three galls.(Original) Fig. 242. Rhopa.lo-^myia bethelianaCkll. Cluster of galls.(Original) Achillea (yarrow) Florets apparently normal. Felt o8e, p. 333 Itonid. Yarrow flower midge, Clinorhyncha millefolii Wachtl.Irregularly oval, flower bud gall with a whitish pubescence, length 7 mm. Itonid. ?Rhopaloniyia millefolii H.

Yellow spruce gall aphid (Sacchiphantes abietis, Adelges abietis, Chermes abietis), galls at spruce, Germany Stock Photo

RMEBN2KA–Yellow spruce gall aphid (Sacchiphantes abietis, Adelges abietis, Chermes abietis), galls at spruce, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 98. C y n i p s sp. on Q. g r i s e a.One shown in section. (Original) Small, round, thin-shelled galls on leaf blades, usually near the margin andalways on the upper leaf veins, projecting on both surfaces, diameter 3.7mm, on Q. u n d u 1 a t a. Bassett 90, p. 77 Cynipid. Andricus pilula Bass.Hemispherical, pale brown, reticulate leaf gall with minute, reddish tubercles,diameter 3 mm, on Q. undulata. Fig. 108, 8. Beutm. iid, p. 357 Cynipid. Dryophanta pulchripennis Ashm.Brown, globose, pedunculate Stock Photo

RM2AG5Y8F–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 98. C y n i p s sp. on Q. g r i s e a.One shown in section. (Original) Small, round, thin-shelled galls on leaf blades, usually near the margin andalways on the upper leaf veins, projecting on both surfaces, diameter 3.7mm, on Q. u n d u 1 a t a. Bassett 90, p. 77 Cynipid. Andricus pilula Bass.Hemispherical, pale brown, reticulate leaf gall with minute, reddish tubercles,diameter 3 mm, on Q. undulata. Fig. 108, 8. Beutm. iid, p. 357 Cynipid. Dryophanta pulchripennis Ashm.Brown, globose, pedunculate

Beech pouch-gall midge (Mikiola fago), galls on a beech leaf, Germany, Bavaria, Oberbayern, Upper Bavaria Stock Photo

RMFJ627X–Beech pouch-gall midge (Mikiola fago), galls on a beech leaf, Germany, Bavaria, Oberbayern, Upper Bavaria

. Report of the State Entomologist on injurious and other insects of the state of New York. hyes sp. A cer saccharinum (white or silver maple)Free larvae on irregularly curved leaves. Felt i5e, p. 93 . Itonid. Maple leaf midge, Rhabdophaga aceris Shim. Ki:> TO AMKKICAN INSECT GAI.I^S 163 Slender, fusiform leaf galls, length 5 mm, sometimes very abundant, on theupper surface, also on sugar maple and white-barked maple. Felt 06b,p. 630 Acarid. Maple spindle gall, IMi y II o c o p t c s a c e r i s - c r u m e n a RileySmall, bladderlike greenish or reddish leaf galls, diameter 2.5 mm, very ab Stock Photo

RM2AG5B44–. Report of the State Entomologist on injurious and other insects of the state of New York. hyes sp. A cer saccharinum (white or silver maple)Free larvae on irregularly curved leaves. Felt i5e, p. 93 . Itonid. Maple leaf midge, Rhabdophaga aceris Shim. Ki:> TO AMKKICAN INSECT GAI.I^S 163 Slender, fusiform leaf galls, length 5 mm, sometimes very abundant, on theupper surface, also on sugar maple and white-barked maple. Felt 06b,p. 630 Acarid. Maple spindle gall, IMi y II o c o p t c s a c e r i s - c r u m e n a RileySmall, bladderlike greenish or reddish leaf galls, diameter 2.5 mm, very ab

beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), branch with fruits of common beech, galls of the leaf gall midge on a leaf, Germany Stock Photo

RMDAGYNR–beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), branch with fruits of common beech, galls of the leaf gall midge on a leaf, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. m eric ana FeltReared from larvae under decaying bark. Felt 13m, p. 215 Itonid. Leptosyna quercivora FeltReared from larvae under decaying bark. Felt iik, p. 558 Itonid. 11 o n i d a c i n c t a FeltReared from larvae under decaying bark. Felt i5h, p. 407 Itonid. Parallel odiplosis corticis Felt 3 Galls of branches and twigs, the deformations not separable from the plant (Compare with 4, p. 62)a No visible gall or only a slight swelling. See also b-d, e, f, g-h on pages 56, 58, 60 and 61 respectivelyCoc Stock Photo

RM2AG6EBR–. Report of the State Entomologist on injurious and other insects of the state of New York. m eric ana FeltReared from larvae under decaying bark. Felt 13m, p. 215 Itonid. Leptosyna quercivora FeltReared from larvae under decaying bark. Felt iik, p. 558 Itonid. 11 o n i d a c i n c t a FeltReared from larvae under decaying bark. Felt i5h, p. 407 Itonid. Parallel odiplosis corticis Felt 3 Galls of branches and twigs, the deformations not separable from the plant (Compare with 4, p. 62)a No visible gall or only a slight swelling. See also b-d, e, f, g-h on pages 56, 58, 60 and 61 respectivelyCoc

aspen leaf gall midge (Harmandia tremulae, Harmandiola tremulae), galls at European aspen (Populus tremula), Germany Stock Photo

RMEBJWYG–aspen leaf gall midge (Harmandia tremulae, Harmandiola tremulae), galls at European aspen (Populus tremula), Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. e u r a communis Felt Small bladder like leaf galls, diameter 2.5 mm. Fig. 167, Chadwick 08, p. 120 Acarid. Maple bladder gall, PPhyllocoptes quadripes Shim. Ocellate, yellow, red-margined blister leaf gall, diameter 3 to 4 mm. Fig. 168. Osten Sacken 62, p. 199 Itonid. Maple leaf spot, Cecidomyia o c e 11 a r i s O. S.Irregular leaf folds. Felt i5e, p. 94 Itonid. Rhabdophaga rileyana FeltDistorted, rolled leaves bearing cocoons, possibly identical with the preceding.Felt iij, p. 452 Itonid. D a sy n e u Stock Photo

RM2AG5BGY–. Report of the State Entomologist on injurious and other insects of the state of New York. e u r a communis Felt Small bladder like leaf galls, diameter 2.5 mm. Fig. 167, Chadwick 08, p. 120 Acarid. Maple bladder gall, PPhyllocoptes quadripes Shim. Ocellate, yellow, red-margined blister leaf gall, diameter 3 to 4 mm. Fig. 168. Osten Sacken 62, p. 199 Itonid. Maple leaf spot, Cecidomyia o c e 11 a r i s O. S.Irregular leaf folds. Felt i5e, p. 94 Itonid. Rhabdophaga rileyana FeltDistorted, rolled leaves bearing cocoons, possibly identical with the preceding.Felt iij, p. 452 Itonid. D a sy n e u

Canada thistle gall fly (Urophora cardui), macro shot of haed, Germany, Bavaria Stock Photo

RMCNWXGX–Canada thistle gall fly (Urophora cardui), macro shot of haed, Germany, Bavaria

. Report of the State Entomologist on injurious and other insects of the state of New York. id. Greasewood bud gall, Onodiplosis sarcobati FeltSomewhat produced, axillary, rosette bud galls, length 1.5 cm, diameter .5 cm.Collected by L. H. Weld. Dipt. Trypetid a2772Swollen, folded leaflets, length 12 mm, diameter 1.5 mm. Felt, i6c, p. 202 Itonid. Greasewood leaf gall, Protaplonyx hagani Felt KEY TO AMERICAN INSECT GALLS Oval leaf swellings. Felt 14!, p. 93 127 Itonid. A p 1 o n 3 X s a r c o b a t i Felt A triplexIrregular, subglobular bud galls with sparse, long hairs, diameter 8 to 9 mm.Fig. Stock Photo

RM2AG5MP2–. Report of the State Entomologist on injurious and other insects of the state of New York. id. Greasewood bud gall, Onodiplosis sarcobati FeltSomewhat produced, axillary, rosette bud galls, length 1.5 cm, diameter .5 cm.Collected by L. H. Weld. Dipt. Trypetid a2772Swollen, folded leaflets, length 12 mm, diameter 1.5 mm. Felt, i6c, p. 202 Itonid. Greasewood leaf gall, Protaplonyx hagani Felt KEY TO AMERICAN INSECT GALLS Oval leaf swellings. Felt 14!, p. 93 127 Itonid. A p 1 o n 3 X s a r c o b a t i Felt A triplexIrregular, subglobular bud galls with sparse, long hairs, diameter 8 to 9 mm.Fig.

Canada thistle gall fly (Urophora cardui), sitting on a leaf, Germany, Bavaria Stock Photo

RMCNWXGY–Canada thistle gall fly (Urophora cardui), sitting on a leaf, Germany, Bavaria

. Report of the State Entomologist on injurious and other insects of the state of New York. cm,on Q. nigra, Q. coccinea, Q. rub r a and Q. i 1 i c i f o 1 i a. Fig. 57.Bassett 63, p. 323 Cynipid. Gouty oak gall, Andricus punctatus Bass.Abrupt, irregular, potatoUke twig or branch swellings, length 10 to 20 mm,diameter 8 mm, on Q. v i r g i n i a n a. Ashm. 81, p. XI Cynipid. Live oak potato gall, Andricus batatoides Ashm.Hard, smooth, knotlike twig swellings, diameter 20 mm, on Quercus species.Bassett 81, p. 112; 00, p. 320 Cynipid. Andricus coxii Bass. KKY TO AMERICAN INSECT GALLS 59 Irregular Stock Photo

RM2AG6DE8–. Report of the State Entomologist on injurious and other insects of the state of New York. cm,on Q. nigra, Q. coccinea, Q. rub r a and Q. i 1 i c i f o 1 i a. Fig. 57.Bassett 63, p. 323 Cynipid. Gouty oak gall, Andricus punctatus Bass.Abrupt, irregular, potatoUke twig or branch swellings, length 10 to 20 mm,diameter 8 mm, on Q. v i r g i n i a n a. Ashm. 81, p. XI Cynipid. Live oak potato gall, Andricus batatoides Ashm.Hard, smooth, knotlike twig swellings, diameter 20 mm, on Quercus species.Bassett 81, p. 112; 00, p. 320 Cynipid. Andricus coxii Bass. KKY TO AMERICAN INSECT GALLS 59 Irregular

Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), galls at a leaf of an elm, Germany Stock Photo

RMTR62DG–Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), galls at a leaf of an elm, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 136. Itonida ca na d e n s i s Felt.Upper and lower surface, the latter enlarged.(Original) Sorbtis (mountain ash) Rudimentary or infertile seeds. Crosby 09, p. 369 Hym. S y n t o m a s p i s d r u p a r u m Boh.Rudimentary or infertile seeds. Crosby 09, p. 375 Hym. Megastigmus brevicaudis Ratz.Blister leaf gall. Parrott et al. 06, p. 298 Acarid. Pear blister mite, Eriophyes p y r i Pgst.Light brown or whitish erineum on the under surface of the leaf. Chadwick08, p. 147 Acarid. Eriophyes sp. Cratae Stock Photo

RM2AG5JW1–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 136. Itonida ca na d e n s i s Felt.Upper and lower surface, the latter enlarged.(Original) Sorbtis (mountain ash) Rudimentary or infertile seeds. Crosby 09, p. 369 Hym. S y n t o m a s p i s d r u p a r u m Boh.Rudimentary or infertile seeds. Crosby 09, p. 375 Hym. Megastigmus brevicaudis Ratz.Blister leaf gall. Parrott et al. 06, p. 298 Acarid. Pear blister mite, Eriophyes p y r i Pgst.Light brown or whitish erineum on the under surface of the leaf. Chadwick08, p. 147 Acarid. Eriophyes sp. Cratae

RMTR62DA–Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), galls at a leaf of an elm, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 28. P h y t o p h a g aw a 1 s h i i Felt. Typical clus-ter of galls. (Original) Fig. 29. Clusteredwillow gall, Rhab-dophaga ra-ce m i Felt. Typi-cal form. (Original) Fig. 30. Clusteredwillow gall, Rhab-dophaga ra-ce m i Felt. Pro-visionally referred tothis species. (Orig-inal) Small bud gall. Felt i5e, p. 164 Itonid. Dasyneura californica FeltDeformed leaf and twig, usually clustered near the apex, whitish green, turningblack by winter, on S. f r a g i 1 i s . Chad. 08, p. 145 Acarid. Eriophyes sp Stock Photo

RM2AG6K81–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 28. P h y t o p h a g aw a 1 s h i i Felt. Typical clus-ter of galls. (Original) Fig. 29. Clusteredwillow gall, Rhab-dophaga ra-ce m i Felt. Typi-cal form. (Original) Fig. 30. Clusteredwillow gall, Rhab-dophaga ra-ce m i Felt. Pro-visionally referred tothis species. (Orig-inal) Small bud gall. Felt i5e, p. 164 Itonid. Dasyneura californica FeltDeformed leaf and twig, usually clustered near the apex, whitish green, turningblack by winter, on S. f r a g i 1 i s . Chad. 08, p. 145 Acarid. Eriophyes sp

Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), galls on elm leaf, Germany, North Rhine-Westphalia Stock Photo

RMTR6TCN–Fig gall aphid, Elm-grass root aphid, Elm Sack Gall Aphid (Byrsocrypta ulmi, Tetraneura ulmi, Eriosoma ulmi), galls on elm leaf, Germany, North Rhine-Westphalia

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 161. Eriophyes on Gera-nium richardsonii. (Origi-nal) Euphorbiaceae (spurge family) ManUiot (cassava)Leaf galls. Felt loc, p. 268 Leaf galls. Felt 12c, p. 144 Itonid. I t o n i d a m a n i h o t Felt Itonid. Lasiopteryx manihot Felt Acalypha (three-seeded mercury) Subglobular, reddish brown bud gall, diameter 4 mm. Felt iij, p. 452 Itonid. C e c i d o m y i a sp. Phylkinthus distichus (Otaheite gooseberry) Reared from fruit. Felt i6d, p. 123 Itonid. Asphondylia siccae Felt 158 NEW YORK STATE MUSEUM Stock Photo

RM2AG5CNX–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 161. Eriophyes on Gera-nium richardsonii. (Origi-nal) Euphorbiaceae (spurge family) ManUiot (cassava)Leaf galls. Felt loc, p. 268 Leaf galls. Felt 12c, p. 144 Itonid. I t o n i d a m a n i h o t Felt Itonid. Lasiopteryx manihot Felt Acalypha (three-seeded mercury) Subglobular, reddish brown bud gall, diameter 4 mm. Felt iij, p. 452 Itonid. C e c i d o m y i a sp. Phylkinthus distichus (Otaheite gooseberry) Reared from fruit. Felt i6d, p. 123 Itonid. Asphondylia siccae Felt 158 NEW YORK STATE MUSEUM

oak-apple gall wasp (Biorrhiza pallida, Biorhiza pallida) Stock Photo

RMA3YHFW–oak-apple gall wasp (Biorrhiza pallida, Biorhiza pallida)

. Report of the State Entomologist on injurious and other insects of the state of New York. EL Beuten mul ler Fig. 60. Oak bullet galls. 1-3. Oak bullet gall, Disholcaspis globulus Fitch. 4-7.D. omnivora Ashm. 8, 9. D. r u b e n s Gill. 10. Mealy oak gall, D. c 1 n e r o s a Bass.II. D. succinipes Ashm. (After Beutm., Am. Mus. Nat. Hist.) 64 NEW YORK STATE MUSEUM clustered in fissures or slits on the terminal twigs, on Q. c i n e r e a. Ashm. 87, p. 143 Cynipid. Andricus difficilis Ashm. Generally oval, sometimes irregularly shaped, usually smooth, cells filling longi-tudinal slits or fissures Stock Photo

RM2AG6BRN–. Report of the State Entomologist on injurious and other insects of the state of New York. EL Beuten mul ler Fig. 60. Oak bullet galls. 1-3. Oak bullet gall, Disholcaspis globulus Fitch. 4-7.D. omnivora Ashm. 8, 9. D. r u b e n s Gill. 10. Mealy oak gall, D. c 1 n e r o s a Bass.II. D. succinipes Ashm. (After Beutm., Am. Mus. Nat. Hist.) 64 NEW YORK STATE MUSEUM clustered in fissures or slits on the terminal twigs, on Q. c i n e r e a. Ashm. 87, p. 143 Cynipid. Andricus difficilis Ashm. Generally oval, sometimes irregularly shaped, usually smooth, cells filling longi-tudinal slits or fissures

oak-apple gall wasp ( oak apple) (Biorrhiza pallida, Biorhiza pallida) Stock Photo

RMA3YHGH–oak-apple gall wasp ( oak apple) (Biorrhiza pallida, Biorhiza pallida)

. Report of the State Entomologist on injurious and other insects of the state of New York. hw.Fusiform, mid vein swelling, length 3 mm, diameter .75 mm. Cosens in lift. Hym. ? Euura sp. Twig galls Reared from twigs, gall unrecognized. Felt 076, p. 297 Itonid. Asphondylia salictaria FeltLarvae in subcortical cells; no swelling. Felt i5e, p. 168 Itonid. Dasyneura corticis Felt KEY TO AMERICAN INSECT GALLS 35 Reared from apparently unmodified liranches and limbs of Salix fcnd-1 e r iana . Felt i6f, p. 191 Itonid. P h y t o p h a g a t i m b e r 1 a k e i FeltSlender twigs slightly enlarged. Felt Stock Photo

RM2AG6JFA–. Report of the State Entomologist on injurious and other insects of the state of New York. hw.Fusiform, mid vein swelling, length 3 mm, diameter .75 mm. Cosens in lift. Hym. ? Euura sp. Twig galls Reared from twigs, gall unrecognized. Felt 076, p. 297 Itonid. Asphondylia salictaria FeltLarvae in subcortical cells; no swelling. Felt i5e, p. 168 Itonid. Dasyneura corticis Felt KEY TO AMERICAN INSECT GALLS 35 Reared from apparently unmodified liranches and limbs of Salix fcnd-1 e r iana . Felt i6f, p. 191 Itonid. P h y t o p h a g a t i m b e r 1 a k e i FeltSlender twigs slightly enlarged. Felt

oak leaf gall wasp (Andricus albopunctatus, Andricus paradoxus), galls on an oak leaf Stock Photo

RMB1JDBC–oak leaf gall wasp (Andricus albopunctatus, Andricus paradoxus), galls on an oak leaf

. Report of the State Entomologist on injurious and other insects of the state of New York. LLBeutenmuller Fig. 146. Diastrophus galls, i. 2. Blackberry knot gall, D. n e b u 1 o s u s O. S. 3-9. D.t u r g i d u s Bass. (After Beutm., Am. Mus. Nat. Hist.) 144 NEW YORK STATE MUSEUM Rosa (rose)Root gallsRoundish, reddish brown, variable or frequently tomato-shaped root gall,diameter 35 to 60 mm. Fig. 148, 7-8. Beutm. 07a, p. 648 Cynipid. Rose root gall, Rhodites radicum O. S.Similar to R. radicum but with the top and sides deeply incised, givinga rosette effect. Fig. 148, 6. Beutm. 07a, p. 649 C Stock Photo

RM2AG5G83–. Report of the State Entomologist on injurious and other insects of the state of New York. LLBeutenmuller Fig. 146. Diastrophus galls, i. 2. Blackberry knot gall, D. n e b u 1 o s u s O. S. 3-9. D.t u r g i d u s Bass. (After Beutm., Am. Mus. Nat. Hist.) 144 NEW YORK STATE MUSEUM Rosa (rose)Root gallsRoundish, reddish brown, variable or frequently tomato-shaped root gall,diameter 35 to 60 mm. Fig. 148, 7-8. Beutm. 07a, p. 648 Cynipid. Rose root gall, Rhodites radicum O. S.Similar to R. radicum but with the top and sides deeply incised, givinga rosette effect. Fig. 148, 6. Beutm. 07a, p. 649 C

Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany Stock Photo

RMTR618F–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. a s s i n o i d e s. Felt •iij, p. 474 Itonid. Cecidomyia sp.Pustule, blisterlike gall with pinkish aureola, diameter 3 mm, on V. a c e r i-f o 1 i u m. Felt iij, p. 474 Itonid. Arrowwood spot gall, Cecidomyia sp.Inconspicuous, pale green, circular leaf mines, diameter 5 to 6 mm, onV. o p u 1 u s Itonid. Cecidomyia sp. a2764Oval, greenish, blister gall, showing on both surfaces, diameter 2 mm, larvaedeep red, escape through a central hole in the upper surface, on V. den-tat u m. Felt iij, p. 474 Itonid. Stock Photo

RM2AG55D4–. Report of the State Entomologist on injurious and other insects of the state of New York. a s s i n o i d e s. Felt •iij, p. 474 Itonid. Cecidomyia sp.Pustule, blisterlike gall with pinkish aureola, diameter 3 mm, on V. a c e r i-f o 1 i u m. Felt iij, p. 474 Itonid. Arrowwood spot gall, Cecidomyia sp.Inconspicuous, pale green, circular leaf mines, diameter 5 to 6 mm, onV. o p u 1 u s Itonid. Cecidomyia sp. a2764Oval, greenish, blister gall, showing on both surfaces, diameter 2 mm, larvaedeep red, escape through a central hole in the upper surface, on V. den-tat u m. Felt iij, p. 474 Itonid.

RMTR618A–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. inal)n e r i a eFelt. A somewhat shriv-eled gall.(Original) Cornus (dogwood)Ovate, green, red-tinted, succulent, apical, shoot gall, length 1.5 cm, diameteI cm, on C. a 1 t e r n i f o 1 i a. Fig. 185 Itonid. Dogwood bud gall, Cecidomyia sp. a2655Clavate twig gall, length 1 to 2 cm, on C. florida. Fig. 186. Beutm. 92,p. 269 Itonid. Dogwood club gall, Lasioptera clavula Beutm.Tubular, curve,., green leaf gall, length 8 mm, on C. a m o m u m. Stebb. 10,p. 46 Itonid. Dogwood tube gall, Cecidomyia tuba Steb Stock Photo

RM2AG58HR–. Report of the State Entomologist on injurious and other insects of the state of New York. inal)n e r i a eFelt. A somewhat shriv-eled gall.(Original) Cornus (dogwood)Ovate, green, red-tinted, succulent, apical, shoot gall, length 1.5 cm, diameteI cm, on C. a 1 t e r n i f o 1 i a. Fig. 185 Itonid. Dogwood bud gall, Cecidomyia sp. a2655Clavate twig gall, length 1 to 2 cm, on C. florida. Fig. 186. Beutm. 92,p. 269 Itonid. Dogwood club gall, Lasioptera clavula Beutm.Tubular, curve,., green leaf gall, length 8 mm, on C. a m o m u m. Stebb. 10,p. 46 Itonid. Dogwood tube gall, Cecidomyia tuba Steb

RMTR6187–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

RM2AG5G0F–. Report of the State Entomologist on injurious and other insects of the state of New York. LLBeutenmuller Fig. 146. Diastrophus galls, i. 2. Blackberry knot gall, D. n e b u 1 o s u s O. S. 3-9. D.t u r g i d u s Bass. (After Beutm., Am. Mus. Nat. Hist.) 144 NEW YORK STATE MUSEUM Rosa (rose)Root gallsRoundish, reddish brown, variable or frequently tomato-shaped root gall,diameter 35 to 60 mm. Fig. 148, 7-8. Beutm. 07a, p. 648 Cynipid. Rose root gall, Rhodites radicum O. S.Similar to R. radicum but with the top and sides deeply incised, givinga rosette effect. Fig. 148, 6. Beutm. 07a, p. 649 C

RMTR618C–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 52. C e c i d o ni y i a sp. Vein gall onchestnut. (Original) An erineum on leaves of A. ? g 1 u t i n o s a. Chad. 08, p. 125 Acarid. Eriophyes sp.A white, frostlike erineum on the under side of the leaf in the vein axils, on A.i n c a n a. Chad. 08, p. 125 Acarid. Eriophyes sp.Small, reddish or whitish, fiat, woollen patches on the upper leaf surface of A.i n c a n a. Chad. 08, p. 126 Acarid. Eriophyes sp. Fagaceae (beech family)Fagus (beech) Sparse, somewhat dimpled, rosy or vinose erineum on un Stock Photo

RM2AG6ENA–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 52. C e c i d o ni y i a sp. Vein gall onchestnut. (Original) An erineum on leaves of A. ? g 1 u t i n o s a. Chad. 08, p. 125 Acarid. Eriophyes sp.A white, frostlike erineum on the under side of the leaf in the vein axils, on A.i n c a n a. Chad. 08, p. 125 Acarid. Eriophyes sp.Small, reddish or whitish, fiat, woollen patches on the upper leaf surface of A.i n c a n a. Chad. 08, p. 126 Acarid. Eriophyes sp. Fagaceae (beech family)Fagus (beech) Sparse, somewhat dimpled, rosy or vinose erineum on un

RMTR618G–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. ELB eufenmuller Fig. 94. Oak apples. i-S. Amphibolips cookii Gill. 6-10. Small pointed oak apple,A. citriformis Ashm. (After Beutm., Am. Mus. Nat. Hist.) 102 NEW YORK STATE MUSEUM Globular, minutely pubescent, reddish, greenish or brownish leaf gall, diameter4-7 mm, on Q. g r i s e a . Fig. 98. Cynipid. C y n i p s sp. 3.2062Globose, somewhat oblong, hollow, pale greenish yellow leaf gall with a fiber-supported cell, on Q. ilicifolia and Q. c o c c i n e a. PI. i, fig. 5.Bassett 63, p. 327 Cynipid. Andr Stock Photo

RM2AG60DG–. Report of the State Entomologist on injurious and other insects of the state of New York. ELB eufenmuller Fig. 94. Oak apples. i-S. Amphibolips cookii Gill. 6-10. Small pointed oak apple,A. citriformis Ashm. (After Beutm., Am. Mus. Nat. Hist.) 102 NEW YORK STATE MUSEUM Globular, minutely pubescent, reddish, greenish or brownish leaf gall, diameter4-7 mm, on Q. g r i s e a . Fig. 98. Cynipid. C y n i p s sp. 3.2062Globose, somewhat oblong, hollow, pale greenish yellow leaf gall with a fiber-supported cell, on Q. ilicifolia and Q. c o c c i n e a. PI. i, fig. 5.Bassett 63, p. 327 Cynipid. Andr

RMTR618B–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 244. D ia r t h-ronomyia Occi-dent a 1 i s Felt. Gallson A. hetero-p h y II a. (Original). Fig. 245. Diarthrono-myia artemisiae Felt.Several types of spongy gall,one in section. (Original) Ovate, hard, thick-walled, yellowish brown bud gall, length 1.5 cm, diameter.8 cm. (Collected by L. H. Weld) Dipt. T r y p e t i d a2775 Flask-shaped leaf gall, length 4 mm, diameter 2 mm. Fig. 247. Felt i6f, p. 185 Itonid. Wormwood flask gall, Rhopalomyia ampullaria FeltOval, grayish or almost black, solitary or Stock Photo

RM2AG52MR–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 244. D ia r t h-ronomyia Occi-dent a 1 i s Felt. Gallson A. hetero-p h y II a. (Original). Fig. 245. Diarthrono-myia artemisiae Felt.Several types of spongy gall,one in section. (Original) Ovate, hard, thick-walled, yellowish brown bud gall, length 1.5 cm, diameter.8 cm. (Collected by L. H. Weld) Dipt. T r y p e t i d a2775 Flask-shaped leaf gall, length 4 mm, diameter 2 mm. Fig. 247. Felt i6f, p. 185 Itonid. Wormwood flask gall, Rhopalomyia ampullaria FeltOval, grayish or almost black, solitary or

RMTR618E–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 72. Oak leaf stalkgall, Andricus petio-1 i c o 1 a Bass. (Original). Fig. 73. C e c i d o m y i a sp. Veinoak. (Original) Ovate bud gall, the surface with numerous reddish scales, length 10 to 12 mm,diameter 7 to 8 mm. Wash. Trotter 11, p. 113 Cynipid. Andricus sp.Subglobose lateral bud gall, diameter 8 to 15 mm. Cal. Trotter 11, p. m Itonid. C e c i d o m y i a sp. Bud gall composed of a basal, oblate part with a height of 3 to 4 mm and a conico- pyramidal portion with a height of 10 to 12 mm and Stock Photo

RM2AG67PD–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 72. Oak leaf stalkgall, Andricus petio-1 i c o 1 a Bass. (Original). Fig. 73. C e c i d o m y i a sp. Veinoak. (Original) Ovate bud gall, the surface with numerous reddish scales, length 10 to 12 mm,diameter 7 to 8 mm. Wash. Trotter 11, p. 113 Cynipid. Andricus sp.Subglobose lateral bud gall, diameter 8 to 15 mm. Cal. Trotter 11, p. m Itonid. C e c i d o m y i a sp. Bud gall composed of a basal, oblate part with a height of 3 to 4 mm and a conico- pyramidal portion with a height of 10 to 12 mm and

RMTR6189–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. lt. (Authorsillustration) Asclepiadaceae (milkweed family) Asclepias (milkweed) Oval, tumid midrib fold, length 7 mm, diameter 4 mm, on A. i n c a r n a t a Felt iij, p. 454 . , . Itonid. Cecidomyia sp. Rusty brown, irregularly swollen leaves, on A. i n c a r n a t a. Felt i ij, p. 454 Itonid. Cecidomyia sp. Reared from rolled leaves of A. s y r i a c a, probably predaceous. Felt o8e, p. 409 Itonid. Lestodiplosis asclepiae Felt Elongate, fusiform stem gall, on A. i n c a rn a t a. Fig. 194. Felt o8e, p. Stock Photo

RM2AG56T9–. Report of the State Entomologist on injurious and other insects of the state of New York. lt. (Authorsillustration) Asclepiadaceae (milkweed family) Asclepias (milkweed) Oval, tumid midrib fold, length 7 mm, diameter 4 mm, on A. i n c a r n a t a Felt iij, p. 454 . , . Itonid. Cecidomyia sp. Rusty brown, irregularly swollen leaves, on A. i n c a r n a t a. Felt i ij, p. 454 Itonid. Cecidomyia sp. Reared from rolled leaves of A. s y r i a c a, probably predaceous. Felt o8e, p. 409 Itonid. Lestodiplosis asclepiae Felt Elongate, fusiform stem gall, on A. i n c a rn a t a. Fig. 194. Felt o8e, p.

RMTR618D–Canada thistle gall fly (Urophora cardui), sitting on a thistle, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 183. Fig. 184. Lasi- FS- i^s- Dogwood bud gall, Cecidomyia Thecodi- optera ziziae sp. (Original) pi o s i s Felt. Stem gall, onez a u s c h^-] sectioned. (Original)n e r i a eFelt. A somewhat shriv-eled gall.(Original) Cornus (dogwood)Ovate, green, red-tinted, succulent, apical, shoot gall, length 1.5 cm, diameteI cm, on C. a 1 t e r n i f o 1 i a. Fig. 185 Itonid. Dogwood bud gall, Cecidomyia sp. a2655Clavate twig gall, length 1 to 2 cm, on C. florida. Fig. 186. Beutm. 92,p. 269 Itonid. Dogwood cl Stock Photo

RM2AG58WK–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 183. Fig. 184. Lasi- FS- i^s- Dogwood bud gall, Cecidomyia Thecodi- optera ziziae sp. (Original) pi o s i s Felt. Stem gall, onez a u s c h^-] sectioned. (Original)n e r i a eFelt. A somewhat shriv-eled gall.(Original) Cornus (dogwood)Ovate, green, red-tinted, succulent, apical, shoot gall, length 1.5 cm, diameteI cm, on C. a 1 t e r n i f o 1 i a. Fig. 185 Itonid. Dogwood bud gall, Cecidomyia sp. a2655Clavate twig gall, length 1 to 2 cm, on C. florida. Fig. 186. Beutm. 92,p. 269 Itonid. Dogwood cl

beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), galls on leaves of beeche, Germany, Bavaria Stock Photo

RM2MDKM0R–beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), galls on leaves of beeche, Germany, Bavaria

. Report of the State Entomologist on injurious and other insects of the state of New York. Plate 9 Midge Galls 1 Subglobose vein gall on oak, produced by Cecidomyia sp., adult unknown ^ ^ ^ a r n., 2 Gall on oak. Of Cmcticornia majalis O. S. (After Thompson) 3 Oak pill gall, C i n c 11 c o r n i a p U u 1 a ? Walsh (After Thompson) I Clematis bud gall, C o n t a r . n i a cl e m a 11 d i s Felt. (After Thompson) 5 Grape blister gall, Cecidomyia species. (After Weld) 6Chokecherry midge, Contarinia virginianiae Felt. (Aftei Thompson) ? r l • V^U rAf+rr 7 Arrow-wood blister midge, Cystiphoravi Stock Photo

RM2AG4JA6–. Report of the State Entomologist on injurious and other insects of the state of New York. Plate 9 Midge Galls 1 Subglobose vein gall on oak, produced by Cecidomyia sp., adult unknown ^ ^ ^ a r n., 2 Gall on oak. Of Cmcticornia majalis O. S. (After Thompson) 3 Oak pill gall, C i n c 11 c o r n i a p U u 1 a ? Walsh (After Thompson) I Clematis bud gall, C o n t a r . n i a cl e m a 11 d i s Felt. (After Thompson) 5 Grape blister gall, Cecidomyia species. (After Weld) 6Chokecherry midge, Contarinia virginianiae Felt. (Aftei Thompson) ? r l • V^U rAf+rr 7 Arrow-wood blister midge, Cystiphoravi

aspen petiole gall midge (Syndiplosis petioli, Contarinia petioli), galls at a petiole of a trembling poplar, Germany Stock Photo

RMTR6288–aspen petiole gall midge (Syndiplosis petioli, Contarinia petioli), galls at a petiole of a trembling poplar, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. EL.B euf en m u Her Fig. 85. Neuroterus galls, i. GaU of N. fragilis Bass. 2, 3- Gall N. i r r e g u 1 a r i s O. fS.4-6. Gall of N. m a j a 1 i s Bass- 7. Cak button gall, N. ambilicatus Bass. 8. Gall of N.obtusilobae Karsch. (After Beutm., Am. Mus. Nat. Hist.) 88 NEW YORK STATE MUSEUM Velvety red erineum on the under side of the leaf, the younger portions greenish,on Q. V e 1 u t i n a . Chad. 08, p. 143 Acarid. Eriophyes sp.A snuff-brown erineum in large patches on the under side of the leaf of Q.nan Stock Photo

RM2AG646F–. Report of the State Entomologist on injurious and other insects of the state of New York. EL.B euf en m u Her Fig. 85. Neuroterus galls, i. GaU of N. fragilis Bass. 2, 3- Gall N. i r r e g u 1 a r i s O. fS.4-6. Gall of N. m a j a 1 i s Bass- 7. Cak button gall, N. ambilicatus Bass. 8. Gall of N.obtusilobae Karsch. (After Beutm., Am. Mus. Nat. Hist.) 88 NEW YORK STATE MUSEUM Velvety red erineum on the under side of the leaf, the younger portions greenish,on Q. V e 1 u t i n a . Chad. 08, p. 143 Acarid. Eriophyes sp.A snuff-brown erineum in large patches on the under side of the leaf of Q.nan

RMTR6289–aspen petiole gall midge (Syndiplosis petioli, Contarinia petioli), galls at a petiole of a trembling poplar, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 26. Beaked willow gall,Phytophaga rigidae O. S. Typical gall. (Authorsillustration). Fruit galls Enlarged seeds, reddish brown Fig. 27. Pine conegall, R h a b d o -phaga strobi-1 o i d e s Walsh. Typical gall. (Au-thors illustration) Itonid. C e c i d o m y i a sp. Bud galls Apical willow buds blasted. PI. 12, fig. 3 Itonid. C e c i d o m y i a p.Apical, fusiform, beaked gah, length 2 cm. Fig. 26, pl. 11, fig. 5. Felt 06a,p. 112 Itonid. Beaked willow gall, Phytophaga rigidae O. S. 30 NEW YORK STA Stock Photo

RM2AG6KW3–. Report of the State Entomologist on injurious and other insects of the state of New York. Fig. 26. Beaked willow gall,Phytophaga rigidae O. S. Typical gall. (Authorsillustration). Fruit galls Enlarged seeds, reddish brown Fig. 27. Pine conegall, R h a b d o -phaga strobi-1 o i d e s Walsh. Typical gall. (Au-thors illustration) Itonid. C e c i d o m y i a sp. Bud galls Apical willow buds blasted. PI. 12, fig. 3 Itonid. C e c i d o m y i a p.Apical, fusiform, beaked gah, length 2 cm. Fig. 26, pl. 11, fig. 5. Felt 06a,p. 112 Itonid. Beaked willow gall, Phytophaga rigidae O. S. 30 NEW YORK STA

Canada thistle gall fly (Urophora cardui), sitting on a thistle, portrait, Germany Stock Photo

RMTR618H–Canada thistle gall fly (Urophora cardui), sitting on a thistle, portrait, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Fruit galls Enlarged seeds, reddish brown Fig. 27. Pine conegall, R h a b d o -phaga strobi-1 o i d e s Walsh. Typical gall. (Au-thors illustration) Itonid. C e c i d o m y i a sp. Bud galls Apical willow buds blasted. PI. 12, fig. 3 Itonid. C e c i d o m y i a p.Apical, fusiform, beaked gah, length 2 cm. Fig. 26, pl. 11, fig. 5. Felt 06a,p. 112 Itonid. Beaked willow gall, Phytophaga rigidae O. S. 30 NEW YORK STATE MUSEUM Reared from similar gall. Felt 156, p. 88 Itonid. Rhabdophaga sodalitatis FeltRe Stock Photo

RM2AG6KNG–. Report of the State Entomologist on injurious and other insects of the state of New York. Fruit galls Enlarged seeds, reddish brown Fig. 27. Pine conegall, R h a b d o -phaga strobi-1 o i d e s Walsh. Typical gall. (Au-thors illustration) Itonid. C e c i d o m y i a sp. Bud galls Apical willow buds blasted. PI. 12, fig. 3 Itonid. C e c i d o m y i a p.Apical, fusiform, beaked gah, length 2 cm. Fig. 26, pl. 11, fig. 5. Felt 06a,p. 112 Itonid. Beaked willow gall, Phytophaga rigidae O. S. 30 NEW YORK STATE MUSEUM Reared from similar gall. Felt 156, p. 88 Itonid. Rhabdophaga sodalitatis FeltRe

leaf gall midge, pouch-gall midge (Spurgia capitigena, Spurgia euphorbiae), galls on Euphorbia cyparissias, Germany Stock Photo

RMTR62DX–leaf gall midge, pouch-gall midge (Spurgia capitigena, Spurgia euphorbiae), galls on Euphorbia cyparissias, Germany

RM2AG4JFR–. Report of the State Entomologist on injurious and other insects of the state of New York. Plate 9 Midge Galls 1 Subglobose vein gall on oak, produced by Cecidomyia sp., adult unknown ^ ^ ^ a r n., 2 Gall on oak. Of Cmcticornia majalis O. S. (After Thompson) 3 Oak pill gall, C i n c 11 c o r n i a p U u 1 a ? Walsh (After Thompson) I Clematis bud gall, C o n t a r . n i a cl e m a 11 d i s Felt. (After Thompson) 5 Grape blister gall, Cecidomyia species. (After Weld) 6Chokecherry midge, Contarinia virginianiae Felt. (Aftei Thompson) ? r l • V^U rAf+rr 7 Arrow-wood blister midge, Cystiphoravi

RMTR62DW–leaf gall midge, pouch-gall midge (Spurgia capitigena, Spurgia euphorbiae), galls on Euphorbia cyparissias, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. dentate base, length 5to 8 mm, basal diameter 2.5 to 3.5 mm. Wells 15, p. 47 Itonid. Cecidomyia sp. KI-: TO AMERICAN INSECT GALLS 43 Greenish, hairy, length 5 mm, beaked, on C. alba C a r y o m y i a sp., a2526 Conical leaf galls, without a distinct orifice Base subglobular, a long, slender ajMcal process, greenish to reddish brown,length 3 to 4 mm, occurs in groups on midrib of bitternut hickory. PI. 6,fig. 2, 3. Osten Sacken 62, p. 192 Itonid. Hickory seed gall, C a r y o m y i a c a r y a e c o 1 a Stock Photo

RM2AG6G9J–. Report of the State Entomologist on injurious and other insects of the state of New York. dentate base, length 5to 8 mm, basal diameter 2.5 to 3.5 mm. Wells 15, p. 47 Itonid. Cecidomyia sp. KI-: TO AMERICAN INSECT GALLS 43 Greenish, hairy, length 5 mm, beaked, on C. alba C a r y o m y i a sp., a2526 Conical leaf galls, without a distinct orifice Base subglobular, a long, slender ajMcal process, greenish to reddish brown,length 3 to 4 mm, occurs in groups on midrib of bitternut hickory. PI. 6,fig. 2, 3. Osten Sacken 62, p. 192 Itonid. Hickory seed gall, C a r y o m y i a c a r y a e c o 1 a

RMTR62DT–leaf gall midge, pouch-gall midge (Spurgia capitigena, Spurgia euphorbiae), galls on Euphorbia cyparissias, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. eaf mine, diameter 5 to 7 mm. Itonid. Cecidomyia sp. Mikania (climbing hempweed)Fusiform, internodal stem gall, length i to 2.5 cm, diameter .5 to 1.25 cm.Wells 14, p. 292 Dipt. ? T r y p e t i d KEY TO AMERICAN iNsECT GALLS 191 Grindclia (gum-plant, tar-wced)Oval, blister leaf gall, greenish or blackish, diameter 3 to 4 mm, on d. r o bust a,G. cuneifolia. Fig. 212. Felt i2e, p. 149; i^l, ]>• i«o Itonid. Tar-weed blister midge, A s t e r o m y i a g r i n d e 1 i a e Felt Reared from apparently unmod Stock Photo

RM2AG54WN–. Report of the State Entomologist on injurious and other insects of the state of New York. eaf mine, diameter 5 to 7 mm. Itonid. Cecidomyia sp. Mikania (climbing hempweed)Fusiform, internodal stem gall, length i to 2.5 cm, diameter .5 to 1.25 cm.Wells 14, p. 292 Dipt. ? T r y p e t i d KEY TO AMERICAN iNsECT GALLS 191 Grindclia (gum-plant, tar-wced)Oval, blister leaf gall, greenish or blackish, diameter 3 to 4 mm, on d. r o bust a,G. cuneifolia. Fig. 212. Felt i2e, p. 149; i^l, ]>• i«o Itonid. Tar-weed blister midge, A s t e r o m y i a g r i n d e 1 i a e Felt Reared from apparently unmod

Reed gall fly, Frit fly, Grass fly (Lipara lucens), sitting on a dried stem, side view , Germany Stock Photo

RMTR629G–Reed gall fly, Frit fly, Grass fly (Lipara lucens), sitting on a dried stem, side view , Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. a family)Liriodendron (tulip tree) Globular, midrib or vein gall, monothalamous, length 5 mm. Itonid. Tuhp vein gall, C e c i d o m y i a sp.Midrib, irregular, polythalamous leaf gall, length 1.5 cm. Osten Sacken 62,p. 202 Itonid. Tulip midril) gall, C e c i d o m y i a t u 1 i p i f e r a e O. S.Purplish blister gall on the leaf, diameter about 3 mm. PI. 10, fig. 7. OstenSacken 62, p. 202 Itonid. Tulip sj) >t gall, T h e c o d i p 1 o s i s 1 i r i o d e n d r i O. S . Lauraceae (laurel family)Sassa Stock Photo

RM2AG5M21–. Report of the State Entomologist on injurious and other insects of the state of New York. a family)Liriodendron (tulip tree) Globular, midrib or vein gall, monothalamous, length 5 mm. Itonid. Tuhp vein gall, C e c i d o m y i a sp.Midrib, irregular, polythalamous leaf gall, length 1.5 cm. Osten Sacken 62,p. 202 Itonid. Tulip midril) gall, C e c i d o m y i a t u 1 i p i f e r a e O. S.Purplish blister gall on the leaf, diameter about 3 mm. PI. 10, fig. 7. OstenSacken 62, p. 202 Itonid. Tulip sj) >t gall, T h e c o d i p 1 o s i s 1 i r i o d e n d r i O. S . Lauraceae (laurel family)Sassa

Reed gall fly, Frit fly, Grass fly (Lipara lucens), sitting on a dried stem, view from above, Germany Stock Photo

RMTR629F–Reed gall fly, Frit fly, Grass fly (Lipara lucens), sitting on a dried stem, view from above, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. i n o r.See also, fig. 107, 1-3. Beutm. loc, p. 123 Cynipid. Oak flake gall, N e u r o t e r u s f 1 o c c o s u s Bass.Oval, small, short, dark slate colored, ament galls, length 1.25 mm, diameterI mm, on Q. o b t u s i 1 o b a. Bassett 00, p. 318 Cynipid. Andricus exiguus Bass.Small, black, polythalamous galls in sterile florets of Q. i 1 i c i f o 1 i a, occasion-ally very abundant, diameter 2.5 mm. Bassett 90, p. 79 Cynipid. C a 11 i r h y t i s c 1 a r k e i Bass.Globose, monothalamous, pale wood c Stock Photo

RM2AG5T1C–. Report of the State Entomologist on injurious and other insects of the state of New York. i n o r.See also, fig. 107, 1-3. Beutm. loc, p. 123 Cynipid. Oak flake gall, N e u r o t e r u s f 1 o c c o s u s Bass.Oval, small, short, dark slate colored, ament galls, length 1.25 mm, diameterI mm, on Q. o b t u s i 1 o b a. Bassett 00, p. 318 Cynipid. Andricus exiguus Bass.Small, black, polythalamous galls in sterile florets of Q. i 1 i c i f o 1 i a, occasion-ally very abundant, diameter 2.5 mm. Bassett 90, p. 79 Cynipid. C a 11 i r h y t i s c 1 a r k e i Bass.Globose, monothalamous, pale wood c

Reed gall fly, Frit fly, Grass fly (Lipara lucens), on a blade of reed, Germany Stock Photo

RMEYYN7A–Reed gall fly, Frit fly, Grass fly (Lipara lucens), on a blade of reed, Germany

. Report of the State Entomologist on injurious and other insects of the state of New York. Plate 7 Midge Galls 1 Balsam gall midge, Cecidomyia balsamicola Lintn. (After Thompson) 2 Gall of Cecidomyia sp., on balm of Gilead 3 Hazel catkin gall, Cecidomyia squamulicola Stebb. 4 Touch-me-not gall, Cecidomyia impatientis O. S. (After Thompson) 5 Gall on cherry racemes produced by Cecidomyia racemi Stebb. (After Stebbins) 6 Wild cherry bud gall, Cecidomyia serotinae O. S. (After Clarke) 7 Smilax blister, Camptoneuromyia rubifolia Felt. 8 Nettle bullet gall, Cecidomyia sp. on Urtica. (After Weld) 9 Stock Photo

RM2AG4N6D–. Report of the State Entomologist on injurious and other insects of the state of New York. Plate 7 Midge Galls 1 Balsam gall midge, Cecidomyia balsamicola Lintn. (After Thompson) 2 Gall of Cecidomyia sp., on balm of Gilead 3 Hazel catkin gall, Cecidomyia squamulicola Stebb. 4 Touch-me-not gall, Cecidomyia impatientis O. S. (After Thompson) 5 Gall on cherry racemes produced by Cecidomyia racemi Stebb. (After Stebbins) 6 Wild cherry bud gall, Cecidomyia serotinae O. S. (After Clarke) 7 Smilax blister, Camptoneuromyia rubifolia Felt. 8 Nettle bullet gall, Cecidomyia sp. on Urtica. (After Weld) 9

beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), two galls on the leaf of a common beech, Germany, Baden-Wuerttemberg Stock Photo

RMEBX3FJ–beech leaf gall midge, beech pouch-gall midge (Mikiola fagi), two galls on the leaf of a common beech, Germany, Baden-Wuerttemberg

RM2AG4MY4–. Report of the State Entomologist on injurious and other insects of the state of New York. Plate 7 Midge Galls 1 Balsam gall midge, Cecidomyia balsamicola Lintn. (After Thompson) 2 Gall of Cecidomyia sp., on balm of Gilead 3 Hazel catkin gall, Cecidomyia squamulicola Stebb. 4 Touch-me-not gall, Cecidomyia impatientis O. S. (After Thompson) 5 Gall on cherry racemes produced by Cecidomyia racemi Stebb. (After Stebbins) 6 Wild cherry bud gall, Cecidomyia serotinae O. S. (After Clarke) 7 Smilax blister, Camptoneuromyia rubifolia Felt. 8 Nettle bullet gall, Cecidomyia sp. on Urtica. (After Weld) 9

Colopha compressa (Colopha compressa, Schizoneura compressa), galls at a leaf of an elm, Germany Stock Photo

RMCNXM6R–Colopha compressa (Colopha compressa, Schizoneura compressa), galls at a leaf of an elm, Germany

Natural history of insects : comprising their architecture, transformations, senses, food, habits--collection, preservation and arrangement . nified 377 141 Artichoke gall of the oak-bud, with gall-fly . * 378 142 Leafy ga!l of dyers broom 380 143 Semi-gall of tile hawthorn 382 144 Woolly gall of the oak 31^3 145 Oak-apple galls, one cut open to shew the vessels . 384 146 RtOt-gallsof the oak 385 147 Woody-galls on a willow brancii • . . 386 148 Currant-gall of the catkins of the oak .... 3;>7 149 Gal! of the liawlhorn weevil 389 150 A plant louse, magnified ...... 3)1 151 Galls produced on Stock Photo

RM2AN46J3–Natural history of insects : comprising their architecture, transformations, senses, food, habits--collection, preservation and arrangement . nified 377 141 Artichoke gall of the oak-bud, with gall-fly . * 378 142 Leafy ga!l of dyers broom 380 143 Semi-gall of tile hawthorn 382 144 Woolly gall of the oak 31^3 145 Oak-apple galls, one cut open to shew the vessels . 384 146 RtOt-gallsof the oak 385 147 Woody-galls on a willow brancii • . . 386 148 Currant-gall of the catkins of the oak .... 3;>7 149 Gal! of the liawlhorn weevil 389 150 A plant louse, magnified ...... 3)1 151 Galls produced on

gallwasp (Pediaspis aceris), galls on a maple leaf Stock Photo

RMA3YHHJ–gallwasp (Pediaspis aceris), galls on a maple leaf

. Report of the State Entomologist on injurious and other insects of the state of New York. 247. Wormwood flaskgall, Rhopalomyia a m p u 11 a r i a Felt. Twoclusters of gall, one in sec-tion, the last enlarged.(Original) Fig. 248. Diarthronomyiaoccidentalis Felt. Gall on A.tridentata, one in section, muchenlarged. (Original) Taraxacum (dandelion)Oblong, irregular, polythalamous, petiole or midrib swellings, length 25 to 50mm. Fig. 235, 8. Beutm. loa, p. 142 Cynipid. Dandelion gall wasp, Aylax taraxaci Ashm. Lactiica (lettuce) Irregular stem gall, diameter 1.75 cm. Felt 07a, p. 151 Itonid. Lett Stock Photo

RM2AG520A–. Report of the State Entomologist on injurious and other insects of the state of New York. 247. Wormwood flaskgall, Rhopalomyia a m p u 11 a r i a Felt. Twoclusters of gall, one in sec-tion, the last enlarged.(Original) Fig. 248. Diarthronomyiaoccidentalis Felt. Gall on A.tridentata, one in section, muchenlarged. (Original) Taraxacum (dandelion)Oblong, irregular, polythalamous, petiole or midrib swellings, length 25 to 50mm. Fig. 235, 8. Beutm. loa, p. 142 Cynipid. Dandelion gall wasp, Aylax taraxaci Ashm. Lactiica (lettuce) Irregular stem gall, diameter 1.75 cm. Felt 07a, p. 151 Itonid. Lett

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