. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. 1115 Olire-ijrcHii; face oclirc-^cllow; wiiiiis iiifiiscafcd. with n Mack sjiot tipiiii tlie liiHt Hfgiiieiit of tli» fuurtli l()iii;itii)liii:il win ; (nm cuxw ic<l- (lish-lirown ; fwt hrowiiish-rt'd. ^. Middle tiliiiu very .stout, crcxiked, cm the upper side with -innll Mai k spines; the middle entirely black; their (Irst joint thickciuMl, curved upwards, on the upper hide with black bristles ; fore ami bind tarsi plain, from the tip of the first joint black. 9. All the f
. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. 1115 Olire-ijrcHii; face oclirc-^cllow; wiiiiis iiifiiscafcd. with n Mack sjiot tipiiii tlie liiHt Hfgiiieiit of tli» fuurtli l()iii;itii)liii:il win ; (nm cuxw ic<l- (lish-lirown ; fwt hrowiiish-rt'd. ^. Middle tiliiiu very .stout, crcxiked, cm the upper side with -innll Mai k spines; the middle entirely black; their (Irst joint thickciuMl, curved upwards, on the upper hide with black bristles ; fore ami bind tarsi plain, from the tip of the first joint black. 9. All the feet plain; all the tarsi from the tip of the first joint, black. Long. corp. Long. al. Olive-groon ; tliorax iiiDro bripn tlian tlio nhdnnicn, near its fore margin witli a few strikingly groon rcllcctions. Front lilnck- isli-!)lue. Anteniiic etitirol}' liiack ; the third joint small and not pointed. Face brownish ochre-yollow. Palpi ot'liro-lirowiiisli. I'roboscis black. Cilia t»f the posterior orbit l»la<'k hIiovc. below pale. Fore coxte brownish-red, sometimes yellowish-red, with a white rellection near the root and a large part of the outside brown; the four posterior coxae grayish-black, the trochanters brownish-black. Feet yellowish-red ; the knees, esjx'cinlly thosi; of the hind feet, more or less infiiscated ; all the femora, the fore and hind tibia;, as also the fore and hind tarsi are i)lain in botli sexes, the latter blackened from the tip of the first joint. TIk; middle tibiaj and middle tarsi are only in the female of the stime plain structure and of the same color, while they are distinguished in the male by a very different structure; for its middle tibise are uncommonly stout and somewhat curved; the greatest thickness is in their middle; the last two thirds of the posterior side are excised and provided with a brown stripe ; before this excision, iilmost on the upper side of the tibia, there is a longitudinal row of black spine- like bristles,
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1864
