. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. l82 ECONOMIC ENTOMOLOGY Larva.—V^hcn young is pale yellow with two rows of black marks along the body, head black; hairs sparse; and when full grown is covered witli long whitish hairs arising from black and yellow warts; I inch long; spins webs and feeds within them; about five moults. Pupa.—Cocoon of silken web interwoven with hairs; pupa dark brown. Winter passed as j) Fig. 122.—Fall web worm ^Hyphantria textor): a and h, caterpillars; c, pupa; d, adult moth. {After Howard, U.
. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. l82 ECONOMIC ENTOMOLOGY Larva.—V^hcn young is pale yellow with two rows of black marks along the body, head black; hairs sparse; and when full grown is covered witli long whitish hairs arising from black and yellow warts; I inch long; spins webs and feeds within them; about five moults. Pupa.—Cocoon of silken web interwoven with hairs; pupa dark brown. Winter passed as j) Fig. 122.—Fall web worm ^Hyphantria textor): a and h, caterpillars; c, pupa; d, adult moth. {After Howard, U. S. Bur. lint.) Life-history.—Hibernates as a pupa under rubbish, in crevices under walls, etc. Moths emerge in June; eggs hatch in about lo days and caterpillars mature in August and September. Two broods in some localities. Parasites.—Telenomus bifid us Riley, Meteor us hyphantricB Riley, Apanteles hyphantrice Riley, Limneria pall i pes Pro v., Tachina 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 Lochhead, William, 1864- [from old catalog]. Philadelphia, P. Blakiston's son & co
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
