Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; economicentomolo00smit Year: 1906 8o ajv economic entomology. packet, which is tucked away under the fore-wings by means of the anal forceps. Some of the species, however, lack the wings entirely, in which case the peculiar anal forceps and the beetle- like form distinguish them quite readily. Fig. 45. Cases or caddices, made by the larvae of Trichoptera, illustrating dilTerences of shape as well as varieties of material used. Except in the South, ear-wigs are rare in


Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; economicentomolo00smit Year: 1906 8o ajv economic entomology. packet, which is tucked away under the fore-wings by means of the anal forceps. Some of the species, however, lack the wings entirely, in which case the peculiar anal forceps and the beetle- like form distinguish them quite readily. Fig. 45. Cases or caddices, made by the larvae of Trichoptera, illustrating dilTerences of shape as well as varieties of material used. Except in the South, ear-wigs are rare in the United States, and not injurious. In parts of Europe and in sub-tropical and tropical countries they are sometimes abundant and frequently annoying, eating at night into flowers in which they hide during the day. In vine- and flower-covered houses or arbors they are sometimes a nuisance, and their long, slender form and nocturnal habits have given rise to the unfounded belief that they crawl into the ears of sleepers and kill them. The female lays a small number of eggs only, and broods over or watches them until some little time after they are hatched. The more typical Orthoptera may be conveniently divided into series by their leg structure and method of locomotion, as follows :


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