Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] 2OO ELEMENTARY ENTOMOLOGY FIG. 313. Drasteria erechtea, female except by an expert, though many of their caterpillars are the worst pests of the farm and garden and are well known as such to the farmer. The moths are mostly somber gray or brown, with a wing expanse of from one to three inches (averaging about one and one half inches), and with stout bodies. The fore-wings are rather narrow, short, and stout, crossed by darker or lighter wavy lines, and with one or two darker or lighter spots toward t
Elementary entomology ([c1912]) Elementary entomology elementaryentomo00sand Year: [c1912] 2OO ELEMENTARY ENTOMOLOGY FIG. 313. Drasteria erechtea, female except by an expert, though many of their caterpillars are the worst pests of the farm and garden and are well known as such to the farmer. The moths are mostly somber gray or brown, with a wing expanse of from one to three inches (averaging about one and one half inches), and with stout bodies. The fore-wings are rather narrow, short, and stout, crossed by darker or lighter wavy lines, and with one or two darker or lighter spots toward the center. The hind-wings are usually plain, and when at rest are concealed by the fore-wings, which cover them, either flat on the back or slightly roof-shaped. Some of the caterpillars are hairy like the 1 woolly bears,' but most of them are smooth, dull-colored ' worms,' obscurely striped, as are the com- mon CUtWOrms. Almost all of the FlG' 3M «• Moth of the army-worm (Lencania nnifiincta}. (Natural size) larvae ieed on low-growing vegeta- (After Riley) tion and pupate in the ground. Among the moths most often observed are those of the northern grass worm (Drasteria creditca}. They are the common moths with drab-gray fore-wings, crossed with two dark bands, which fly up as one crosses a meadow or pasture. The larvae are green, narrowly striped, and are semiloopers, some- what resembling the measuring worms in their gait. They feed on clover, but rarely become injurious. The common cutworms which attack garden and field crops
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