. Economic entomology for the farmer and fruit-grower. Beneficial insects. 98 AN ECONOMIC ENTOMOLOGY. stridulating organ. Here the sound is produced by the ridged edge of one wing-cover scraping over the ridged veins of the other, setting into vibration the membraneous spaces in both wings. The ear is situated on the fore-tibia, as in the LocustidcB. Fig. A sand-cricket, Stenopalmatus species. The mole-crickets are curious, subterranean creatures, with small heads and powerful forelegs, developed somewhat like the corresponding organs in the mole. The larger, more common species belong to
. Economic entomology for the farmer and fruit-grower. Beneficial insects. 98 AN ECONOMIC ENTOMOLOGY. stridulating organ. Here the sound is produced by the ridged edge of one wing-cover scraping over the ridged veins of the other, setting into vibration the membraneous spaces in both wings. The ear is situated on the fore-tibia, as in the LocustidcB. Fig. A sand-cricket, Stenopalmatus species. The mole-crickets are curious, subterranean creatures, with small heads and powerful forelegs, developed somewhat like the corresponding organs in the mole. The larger, more common species belong to the genus Gryllotalpa, and are more frequent Fig. 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 Smith, John Bernhard, 1858-1912. Philadelphia and London, J. B. Lippincott company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbenefic, bookyear1906
