Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] striped cucumber-beetle (Diabrotica vittatd] is about the same size, bright yellow with black stripes, and is one of the worst pests of young cucumber and melon vines. The larvae are long, slender whitish grubs which feed on the roots. The twelve-spotted Diabrotica is green with twelve black spots, with similar food habits in the adult stage, but in the )tnpec $outn tjie iarvae do serious injury to the roots of cucumber-beetle J J corn, while the larva of another pale green species, known as the west- e
Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] striped cucumber-beetle (Diabrotica vittatd] is about the same size, bright yellow with black stripes, and is one of the worst pests of young cucumber and melon vines. The larvae are long, slender whitish grubs which feed on the roots. The twelve-spotted Diabrotica is green with twelve black spots, with similar food habits in the adult stage, but in the )tnpec $outn tjie iarvae do serious injury to the roots of cucumber-beetle J J corn, while the larva of another pale green species, known as the west- ern corn rootworm, is one of the worst pests of corn in the northern Miss- issippi Valley. A large group of small species, with strong hind legs which en- able them to give FIG. 224. A, potato flea-beetle ; /?, egg-plant flea-beetle. (Both greatly enlarged) (After Chittenden, United States Department of Agriculture) 111 . remarkable jumps, are known as flea- beetles. The potato flea-beetle (Epitrix fnscnla] and nearly related species are com- monly abundant on young potato and tomato plants, and on egg- plants, the leaves of which are riddled as if they had been hit with fine bird shot. The larvae are small, slender white grubs, which feed on the roots of various weeds of the same botanical family, and are rarely seen. All the garden 1 r^vvL \\£ '$FJ crops, as well as tobacco and corn, T»»H \ / i are attacked by one or more spe- cies of these flea-beetles. The lar- vae of a few species of this family FIG. 225. Striped turnip flea-beetle are ]eaf miners, the leaves of the (Greatly enlarged) . , , locust being commonly anectea by , adult. (From Riley, United . . .. ... . , States Department of Agriculture) large, brown, bllSterllke mmCS due
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