Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] 158 ELEMENTARY ENTOMOLOGY The pea-weevil family (Bruchidae) includes the small weevils which commonly infest peas, beans, and other seeds. They are of much the same general shape as some of the leaf-beetles, but the head is prolonged into a blunt snout, and the wing-covers are square at the tip, leaving the tip of the abdomen ex- posed. They are from one eighth to one fourth of an inch long, brown- ish or ashen gray in color, with whitish scales or hairs on the wing- covers, forming various markings. Bo


Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] 158 ELEMENTARY ENTOMOLOGY The pea-weevil family (Bruchidae) includes the small weevils which commonly infest peas, beans, and other seeds. They are of much the same general shape as some of the leaf-beetles, but the head is prolonged into a blunt snout, and the wing-covers are square at the tip, leaving the tip of the abdomen ex- posed. They are from one eighth to one fourth of an inch long, brown- ish or ashen gray in color, with whitish scales or hairs on the wing- covers, forming various markings. Both beetles and larvae feed on seeds of leguminous plants, of which they are the most serious insect pests. The long-horned beetles (Cerambyddae) are easily recognized by the long antennae, which are rarely shorter than the body and often are twice as long. They are large, stout, cylindrical-bodied a c FIG. 228. The pea-weevil. (Enlarged) a, adult beetle ; I', larva ; c, pupa. (After Chittenden, United States Department of Agriculture)


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