. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. 252 DIITKIIA OF SOUTH AMIMtlCA. [I'Airr ir, slmrply limited tnuisvcrst' Itiiiids, wliicli arc bi'diidrr tipnii tlio hind s('i>'iiK'iits llinii upon tin' iiiitcrior ones. Pultcsct'iicc of ilio ultdiiiiicii hltiok, whitish only uii the iiiiterinr part of tho latcrul iiiarjiiii and (if tlic venter; tiie hiaeli lii'istles i)ef<ire tlie hind niiir- jrin of tlie sinfi'ie sefi'ments are of a consideralile, hut not striklnji; len^'th. Tile snuill liypopyerted some hlaek bristles; on the under side of
. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. 252 DIITKIIA OF SOUTH AMIMtlCA. [I'Airr ir, slmrply limited tnuisvcrst' Itiiiids, wliicli arc bi'diidrr tipnii tlio hind s('i>'iiK'iits llinii upon tin' iiiitcrior ones. Pultcsct'iicc of ilio ultdiiiiicii hltiok, whitish only uii the iiiiterinr part of tho latcrul iiiarjiiii and (if tlic venter; tiie hiaeli lii'istles i)ef<ire tlie hind niiir- jrin of tlie sinfi'ie sefi'ments are of a consideralile, hut not striklnji; len^'th. Tile snuill liypopyerted some hlaek bristles; on the under side of the femora there id a loiiji" erect puliescence, which has only very near their tip a black, otherwise everywhere a whitish coloriuff. 'Piliiie, besides the usual short black pubescence, with a moderate iiuinber of black bristles, which nuiy lie easily overlooked on the hind tibia*, as they are rather short and to be found only uixiu their out>ide. First joint of the f(jre tarsi • \tremely elongated, aliout as Ioiil;' as the til)ia' and nearly twice ti leuj^th of the four followin; joints taken together; ui)on the outside, towarils the tip, frin<i'ed wiili black bristles; the second and third joints arc of ecpial lenjrth, both very short, taken t tji'cther only us hjug as the fourth joint ; the lil'th joint distinctly shorter than the fourth, but longer than the second and third taken singly. Middle tarsi plain, their lirst joint nearly as long as the tii)ia and at least If times the Iciiglli of the four following joints taken together; upon the front side with a short and delicate fringe-like pubescence of a black color; the following joints of a gradually decreasing length. Iliud tarsi considerably shorter than the tibial, their tirst joint hardly once and a half the length of the four following taken together, which gra- dually decrease in length and arc not thi<'kened. Halteres black- ish-l)rowu, sometimes more i)ale dingy-yellow. Teguhe with a broad black
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1864
