. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. 94 DIPTERA OF NORTH AMKRICA. [part and fourth longitudinal veins towards their end almost entirely parallel. Hab. Xow York. (Ostcn-Sackcn.) — A sinji'le 9 whidi I possess I believe to be that of the present si)ecies. Tiie circuiiistanee that the sinirlc bristles of the row on tiie upper side of tiie fore tibia' are some- what stroii«i-er, the third joint of the antenme mueh siiorter and the arista more distinctly hairy than those of the above described ^, connot justify any doubts
. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. 94 DIPTERA OF NORTH AMKRICA. [part and fourth longitudinal veins towards their end almost entirely parallel. Hab. Xow York. (Ostcn-Sackcn.) — A sinji'le 9 whidi I possess I believe to be that of the present si)ecies. Tiie circuiiistanee that the sinirlc bristles of the row on tiie upper side of tiie fore tibia' are some- what stroii«i-er, the third joint of the antenme mueh siiorter and the arista more distinctly hairy than those of the above described ^, connot justify any doubts, as the females of nearly all the species dilVcr in tl)is way from the males. The only objection which mi-in: together, is the more whitish color of the dust upon Aiee and front. 19. a. politll8 LoEW. 9-—Viiidis, nitons, faciei albne parte infer^, sulitilitcr pilosil, fronte allio-pollinosa, antennis ex fusco rulis, apiceiii versus t'uscis, i:o.\is pedilmsijue palliile flavis, alis majusculis ex t'u^uo cinereis, appendiuibus analibiis duabus styliformibus. Green, briijlit, tbe lower part of tbe wbite face with delicate hairs, front with a white dust, tlie brownish-red antennre brown at the tip; coxie and feet pale-yellowish ; wings soniewlu't large, brown-grayish ; at the end of tlm abiloineii two styloid appendages. Long. corp. — Long. al. — Syn. (lymnoptcniiis politus LoEW, Neue Beitr. VIII, 34, 18. Green, very bright; the moderately l»road face and front covered with white dust ; tlie lowest part of the face l)eset with minute pule hairs and a few biackish ones. Antenna\ at least for a female, of middle size, dusky bntwnish-red ; third joint with short but dis- tinct hairs, towanls the end blackish-brown nnd the tij) sharply angular. Cilia of the inferior orl)it black. Thorax only a little dusty. Ujjon the scutellum I cannot ])erceive any hairs at all. The anal appendages distinguish themselves from those of the related >i)ecies by consisting
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1864
