. A manual for the study of insects. Insects. Fig. 540.— Tabanus at- ratjis. Fig. Chrysops 711 ger. The larger species, as well as some of moderate size, belong to the genus Tabanus (Ta-ba'nus), of which nearly one hundred American spe- cies are known. One of the most common of these is the Mourning Horse-fly, Tabaytiis atratiis (T. a-tra'tus). This insect is of an uniform black color throughout, except that the body may have a bluish tinge (Fig. 540). To the genus Chrysops (Chry^sops) belong the smaller and more common horse-flies with banded wings (Fig. 541). Nearly fifty North America
. A manual for the study of insects. Insects. Fig. 540.— Tabanus at- ratjis. Fig. Chrysops 711 ger. The larger species, as well as some of moderate size, belong to the genus Tabanus (Ta-ba'nus), of which nearly one hundred American spe- cies are known. One of the most common of these is the Mourning Horse-fly, Tabaytiis atratiis (T. a-tra'tus). This insect is of an uniform black color throughout, except that the body may have a bluish tinge (Fig. 540). To the genus Chrysops (Chry^sops) belong the smaller and more common horse-flies with banded wings (Fig. 541). Nearly fifty North American species of this genus have been described. Family STRATIOMYIID/Ii (Strat-i-o-my-i'i-doe). The Soldier-flies, The soldier-flies are so called on account of the bright- colored stripes with which some of the species are marked. In the more typical mem- bers of this family the abdo- men is broad and greatly f ^\ W V flattened (Fig. 542), and the jBr M \ wings when, at rest lie parallel I^^m\ ^W jtSKI^ upon each other over the ab- ^^S « ^^W domen. But in some genera the abdomen is narrow and considerably elongate. The antennse vary greatly in some genera the third segment is long and con- sists of several quite distinct rings (Fig. 543); in others it is short with but few indistinctly-separated rings and with a bristle (Fig. 544), as in the true true short-horned flies. The most distinctive characteristic is the peculiar vena Fig. 542. St rati o- niyia. in form Fig. 543. 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. joint author. Ithaca, N. Y. , Comstock Pub. Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1895
