. Injurious insects : how to recognize and control them . Insect pests; Insect pests. CASE-BEARESS FEEDING ON THE LEAVES 307 short case, wliich it carries to a twig and in which it spends the winter. The remedy is an application of arsenate of lead or Paris green as soon as the caterpillars are seen Fig. 467. — Larval cases of the Pistol Case-bearer. Enlarged. Original. The Pistol Case-bearer {Colcophora malivordla RUej') has a similar life history and does about the same injm'y. It is distinguished from the above by the shape of the larval case, wliich in this species is slender, so
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. CASE-BEARESS FEEDING ON THE LEAVES 307 short case, wliich it carries to a twig and in which it spends the winter. The remedy is an application of arsenate of lead or Paris green as soon as the caterpillars are seen Fig. 467. — Larval cases of the Pistol Case-bearer. Enlarged. Original. The Pistol Case-bearer {Colcophora malivordla RUej') has a similar life history and does about the same injm'y. It is distinguished from the above by the shape of the larval case, wliich in this species is slender, somewhat tapering, and distinctly em'ved. The Bag-worm ( cphemerceformis Steph.) This curious larva makes a bag out of silk and pieces of leaves as a protection to its body. The female is wingless and never leaves the bag. The male is a small, clear-winged moth. Eggs are deposited by the female within the bag, and remain there until the Fig. 469. —Adult male of , ,, . the Bag-worm. Slightly foUowmg sprmg. enlarged. Original, Removal of the bags in winter wiU put a. 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
