. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. I Phratora vitelline: Willow Beetle, catorpillarB. and eggs, magnified ; lines showing nat. length. o u , fromlf pSi^J'V fi.^^*'f °?,' ^^'' caterpillars or grubs hatched Thi« S-1*^'-'},''*!'' '°^*^"^e *he mischief. Ihese whitish spindle-shaped eggs are aid m
![. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. I Phratora vitelline: Willow Beetle, catorpillarB. and eggs, magnified ; lines showing nat. length. o u , fromlf pSi^J'V fi.^^*'f °?,' ^^'' caterpillars or grubs hatched Thi« S-1*^'-'},''*!'' '°^*^"^e *he mischief. Ihese whitish spindle-shaped eggs are aid m Stock Photo](https://c8.alamy.com/comp/REMBG1/a-manual-of-injurious-insects-microform-with-methods-of-prevention-and-remedy-for-their-attacks-to-food-crops-forest-trees-and-fruit-to-which-is-appended-a-short-introduction-to-entomology-insect-pests-agricultural-pests-entomology-insectes-nuisibles-lutte-contre-les-ennemis-des-cultures-lutte-contre-les-entomologie-i-phratora-vitelline-willow-beetle-catorpillarb-and-eggs-magnified-lines-showing-nat-length-o-u-fromlf-psijv-fif-caterpillars-or-grubs-hatched-thi-s-1-!-quote-he-mischief-ihese-whitish-spindle-shaped-eggs-are-aid-m-REMBG1.jpg)
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. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. I Phratora vitelline: Willow Beetle, catorpillarB. and eggs, magnified ; lines showing nat. length. o u , fromlf pSi^J'V fi.^^*'f °?, ' ^^'' caterpillars or grubs hatched Thi« S-1*^'-'}, ''*!'' '°^*^"^e *he mischief. Ihese whitish spindle-shaped eggs are aid m small patches on the surface of the «nT!r''^'*^''x^ invariably on the under surface, as m the case of those sketched above I do not know. The eggs are pro- tected by a loose transparent membranous mm. ihe caterpillars which were for- warded were half an inch long when fulK grown pale yellowish or whitish, with black head; the segment next the head nearly all b ack above, and a squarish black mark above the two last segments of the grub: •fu^'ur'?^^'^*^ segments variably marked with black amongst which a more or less btr^^in ^e^^^«?f blockmarks down the back and black spots on the sides, largest on w '?-''^m'''*' ^"'^t *^e bead, were the most noticeable. These grubs feed on the under side of he skm of the lea , working right through until the upper surface is only a film, whiSh dries and cracks away. When full-fed the i caterpillars f«r« to chrysalids in the ground, and from these a second attack of beetlpa wuiow leaf partly eaten come up in autumn. scenes by Wiiiow Beetle. In some years the attacks of Willow Beetles are excessively. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Ormerod, Eleanor A. (Eleanor Anne), 1828-1901. London : Simpkin, Marshall, Hamilton, Kent