. Elementary entomology . Fig. 153. The green soldier-bug (A'ezara hilaris). (Enlarged) a, adult; /', beak ; <-, eggs ; d, single egg ; e, young nymph ; /, last stage of nymph. (After Chittenden, United States Department of Agriculture) the center of the back between the wings, which are rounded at the tip of the abdomen, giving the whole body a characteristic shield- shaped appearance. From an economic stand- point the family is divided, some species being predacious upon other insects and others being serious crop pests, while some have both habits, as circumstances may offer food of one
. Elementary entomology . Fig. 153. The green soldier-bug (A'ezara hilaris). (Enlarged) a, adult; /', beak ; <-, eggs ; d, single egg ; e, young nymph ; /, last stage of nymph. (After Chittenden, United States Department of Agriculture) the center of the back between the wings, which are rounded at the tip of the abdomen, giving the whole body a characteristic shield- shaped appearance. From an economic stand- point the family is divided, some species being predacious upon other insects and others being serious crop pests, while some have both habits, as circumstances may offer food of one kind or the other. The predacious species are commonly known as soldier-bugs and feed mostly upon caterpillars. The com- mon green soldier-bug {Xczara hilaris) feeds upon the larvae of the Colorado potato-beetle, cotton-leaf caterpillars, and other injurious forms, but unfortunately it not infrequently attacks cotton bolls, ripening oranges, and Fic. 154. Spined soldier- various fruits and vegetables, doing consider- "^ ' '^'?" â »/""'â *â '")⢠. (Enlarged) able injury by sucking the juices and causing malformations. The spined soldier-bug {Po- disus spinosjis) is a common enemy of leaf-eating caterpillars, such as the tussock moths, gypsy and brown-tail moths, and of many soft-bodied grubs, like those of the potato-beetle. Other species, like the harlequin cabbage-bug {Murgantia histrionica), which is
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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912
