. Elementary entomology. Insects. ELEMENTARY ENTOMOLOGY Adults. The hoppers become full grown about the first of July. The adult is about one and one half inches long, its wings expand two and one half inches, and it is of a bright yellowish-green FIG. 70. The differential locust. (Enlarged) (Authors' illustration, United States Department of Agriculture) The head and thorax are olive-brown, and the fore-wings are of much the same color, without other markings than a brownish shade at the base ; the hind-wings are tinged with green ; the hind thighs are bright yellow, especially below,
. Elementary entomology. Insects. ELEMENTARY ENTOMOLOGY Adults. The hoppers become full grown about the first of July. The adult is about one and one half inches long, its wings expand two and one half inches, and it is of a bright yellowish-green FIG. 70. The differential locust. (Enlarged) (Authors' illustration, United States Department of Agriculture) The head and thorax are olive-brown, and the fore-wings are of much the same color, without other markings than a brownish shade at the base ; the hind-wings are tinged with green ; the hind thighs are bright yellow, especially below, with four black marks; the hind shanks are yel- low with black spines and a ring of the same color near the base. The adults at once attack any crops available, often finishing the destruc- tion of those injured by them as nymphs, but in a few days their ap- petites seem to become somewhat appeased and they commence to mate and to wander in search FIG. 71. Grasshopper ovipositing in a stump °* suitable places lor (Photograph by Weed) laYmg the egg8' Egg laying. Rela- tively few eggs are laid in cultivated ground, the favorite places being neglected fields grown up in grass and weeds, the edges of. 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 Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882. Boston, New York [etc. ] Ginn and Company
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