. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. II. SnTELMM WITHOUT HAIRS. A. Abdomen somewhat conical, glittering with white. 3. A. nigrilM'S, n. sp. %.âKx viridi chalybea, abdomine allx- micantc, t'lonte et f.'U'ie atris, velutinis, pedibus iiigris, tibiis anticis totis, reli(iuis ex parte Green-blue, with the abdomen glittering white; front and fane velvct- blai/k ; feet black, the fore tibine entirely and the four posterior tibia; partially yellowish. Long. corp. â Long. al. Green-blue. Front and face vel
. Monographs of the Diptera of North America [microform]. Diptera; Insects; Diptères; Insectes. II. SnTELMM WITHOUT HAIRS. A. Abdomen somewhat conical, glittering with white. 3. A. nigrilM'S, n. sp. %.âKx viridi chalybea, abdomine allx- micantc, t'lonte et f.'U'ie atris, velutinis, pedibus iiigris, tibiis anticis totis, reli(iuis ex parte Green-blue, with the abdomen glittering white; front and fane velvct- blai/k ; feet black, the fore tibine entirely and the four posterior tibia; partially yellowish. Long. corp. â Long. al. Green-blue. Front and face velvet-l)lack, without pale dust. Palpi and proboscis black. The first j<dnt of the aiiteniiie witii a comparatively lonjr and close pubescence. I'pper side of the thorax and of the scutellum shiniii,u-; the latter, as far as percepti- ble, wit' out hair. Abdomen without transparent yellow spots upon the anterior sepnents, and with a thick <i-littcriiin:-white dust, which becomes thinner only towanls the basis of the abdomen. The small laniellai of the hy[)opy,<rium are brownish-black. Coxa' black; fore coxse with coarse black hairs. Femora lirownish- black, the extreme tip of the four anterior ones yellow ; they have only short hairs and short bristles. Fore tibia' yellow, on the upjier side with less numerous, but stroiiirer hair-like I)ristles, on the hind side with more numerous but more slender hair-like liris- tles of eonsid(!rable len<]^1h. Middle tiliia' ii])on the whole upper side yellowish, upon the under side blackish-brown ; they have upon the under side, upon the middle of the anterior side and M â I M. 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 Loew, H. (Hermann), 1807-1879; Osten-Sacken, C. R. (Carl Robert), 1828-1906. Washington : The Institution
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1864
