. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Fig. 126. Antenna of B. bicolorellum (S, from the inside. X 100. From a dried object. brown pruinose, dull. Pleura slightly æneous, grey pruinose, hypo- pleura somewhat yellowish; propleura with fine, white hairs. Abdomen yellow, more or fewer of the posterior segments (in my sole male the three last) with indefinitely bordered dark brown, transverse bands towards the front margin; sometimes abdomen quite yellow; it is clothed with short, blackish hairs, and has short hindmarginal bristles, long on th
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. Fig. 126. Antenna of B. bicolorellum (S, from the inside. X 100. From a dried object. brown pruinose, dull. Pleura slightly æneous, grey pruinose, hypo- pleura somewhat yellowish; propleura with fine, white hairs. Abdomen yellow, more or fewer of the posterior segments (in my sole male the three last) with indefinitely bordered dark brown, transverse bands towards the front margin; sometimes abdomen quite yellow; it is clothed with short, blackish hairs, and has short hindmarginal bristles, long on the first segment. Venter yellow, with pale hairs. Legs yellow, tarsi a little darkened towards the end. The legs have short, blackish hairs, coxæ pale-haired; the posterior coxæ each with a black bristle; the anterior femora have distantly placed, fine, longish hairs below, most obvious on the middle femora; posterior femora with a preapical bristle; front tibiæ with a dorsal bristle, middle tibiæ with three antero-dorsal, one postero-dorsal and one antero-ventral bristle; hind tibiæ with two rows of dorsal, and a pair of small ventral bristles. Wings a little yellowish tinged; veins brownish. Squamulæ pale yellow, with a yellow fringe. Halteres yellow\. Fig. 127. Antenna of B. bicolorellum 9, from the inside. X 100. From a dried object. Female. Frons somewhat bluish; epistoma somewhat broad, greyish white. Antennæ short, third joint not ionger than broad, rounded in front. Thorax somewhat less densely pruinose than in the male. Length 2,5—2,7 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 Lundbeck, William, 1863-1941. Copenhagen : G. E. C. Gad
Size: 2959px × 845px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
