. Elementary entomology . cannibals. The eggs are laid in the ground in the fall and hatch the next summer. The males have the best-developed musical apparatus of all the orthopteran orchestra. The principal vein, which extends along the base of the wing-cover, is ridged like a file, and on the inner margin of the wing-cover, a short distance from the base, FIG. 108. Female of Gryllus assimilis, with inner and outer the edge is hard- views of auditory membranes on front tibiae, at c and d pried SO that it (After Marlatt, United States Department of Agriculture) rnav be used as a scraper, or ra
. Elementary entomology . cannibals. The eggs are laid in the ground in the fall and hatch the next summer. The males have the best-developed musical apparatus of all the orthopteran orchestra. The principal vein, which extends along the base of the wing-cover, is ridged like a file, and on the inner margin of the wing-cover, a short distance from the base, FIG. 108. Female of Gryllus assimilis, with inner and outer the edge is hard- views of auditory membranes on front tibiae, at c and d pried SO that it (After Marlatt, United States Department of Agriculture) rnav be used as a scraper, or rasp. Elevating his wings to an angle of forty-five degrees, and arranging them so that the scraper of one rests on the file of the other, he moves them to set the neighboring wing mem- branes into vibration, thus pro- ducing the shrill call or the faint chirp, according to his mood. The tree crickets are quite different from the common black sorts and are arboreal, as their name indicates. They are of a creamy-white or light yel- lowish color, often slightly tinged with green, and the wings FIG. 109. A tree cricket (CEca///////s fasti- are transparent. The antennae <""J)» male and female are much longer than the body, which is about half an inch long, and the ovipositor is well devel- oped. The wings when at rest are usually held so as to form a long
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Keywords: ., bookpublisherbostonnewyorketcginnandcompany, booksubjectinsects
