. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. f i;'i'*->f't'' if!:/. tt:---\-i. 208 DIPTERA OF NORTH AMERICA. [I'AKT (V ;cent; wings iinniaculate; stigma brownish; a slump of a vuin near tiie origin uf tin* pratfurua. Lung. corp. llciul reddish-yollow, with a gniyisli bloom on the front; piilpi brown ; anttMinic moro tlian twice the h'li^'th of tlie thora.\, brown, two basal joihtri yellowish, the second somewhat infnseated; joints of the flaj^elhini eloiij^a
. Monographs of the Diptera of North America [microform] / prepared for the Smithsonian Institution by R. Osten Sacken. Diptera; Insects; Diptères; Insectes. f i;'i'*->f't'' if!:/. tt:---\-i. 208 DIPTERA OF NORTH AMERICA. [I'AKT (V ;cent; wings iinniaculate; stigma brownish; a slump of a vuin near tiie origin uf tin* pratfurua. Lung. corp. llciul reddish-yollow, with a gniyisli bloom on the front; piilpi brown ; anttMinic moro tlian twice the h'li^'th of tlie thora.\, brown, two basal joihtri yellowish, the second somewhat infnseated; joints of the flaj^elhini eloiij^ated, eylindrieal, elothed with a dense, deli- cate pnbescence; a few sliort verticils abont the middle of the joints. Thorax reddish-yellow, somewhat shininu^ above, suni( - times with faintly-marked brownish stripes; pleune with an o|iii(iiic yellowish bloom; halteres with a brownish knob. Feet lawnv ; tips of the femora and of the tibiic brown. Aljdonien yellow; last segment ))r(jwn; forceps yellow. ^Vin<;s with a faint pule ))r(jwnish tin<?e; stij^ma pale brown; a faint, snnill pale brown cloud at tlic of the prtefnrea (sometimes obsolete); ninr- ginal at the tip of the first longitudinal vein; pctidli- of the first submarginal cell about the length of the grent cross- vein ; this cell is very narrow in its basal half, broader towjinls the tip; the inner end of the second subniargimil cell very little anterior to the inner ends of the first posterior and of the disciti cells ; the petiole of the second posterior cell is nearly of the sumo length with the cell itself (sometimes longer); the great cidss- vein is a little anterior to the middle of the diseal cell; there is a stump of a vein near the origin of the ])ra;furca. JIab. Milton, Mass., !May 18th (Mr. Scudder); four miili' specimens. 5. I« tenuicoi'Ilis, n. sp. % and 9-âNigrescens, cinereo-pollinosa, antenni:* nigrisi, in uiare thorace inulto longioribus, articulis el()iif;;itis, pubesc
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectd, booksubjectinsects
