. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 24 Fig. 8. Antenna of P. zonatus ^ . X 90. Male. Vertex black, frontal triangle and epistoma greyish white; occiput grey, brownish above. Antennæ blackish brown, pale-haired, with a rostriim of medium length. Thorax brown, dull, indistinctly darker at the sides and with a likewise indistinct dark middle line; behind the humeri a grey spot and the disc a little grey in front of scutellum; the disc has sparse^ short, dark hairs only as dorsocentral rows and behind the humeri; the hairs at
. Diptera danica : genera and species of flies hitherto found in Denmark. Diptera -- Denmark. 24 Fig. 8. Antenna of P. zonatus ^ . X 90. Male. Vertex black, frontal triangle and epistoma greyish white; occiput grey, brownish above. Antennæ blackish brown, pale-haired, with a rostriim of medium length. Thorax brown, dull, indistinctly darker at the sides and with a likewise indistinct dark middle line; behind the humeri a grey spot and the disc a little grey in front of scutellum; the disc has sparse^ short, dark hairs only as dorsocentral rows and behind the humeri; the hairs at the margin of scutellum a little longer and stronger. Pleura and postscutellum grey. Ab- domen brown, dull, with grey hind margins to the segments, broadest at the sides and more or less interrupted in the middle and thus forming grey triangular lateral spots; first segment nearly quite grey except in the middle. Abdomen is sparingly haired with short, blackish hairs, first segment has on each side a bunch of short, black bristles. Hypo- pygium of medium size, with the apical impression large, oval, broadest above; the claws reddish. Legs black, greyish pruinose, the trochanters obscurely brownish, knees and about the basal half of tibiæ yellowish, tarsi brownish, palest at base; hind femora shining on posterior and ventral side; the legs are all short-haired, femora a little spinulose below the apical half, especially the middle femora with two distinct rows. Wings a little brownish tinged, stigma brown, as long as next costal segment; middle cross-vein a little behind the basal third of the discai cell. Halteres brown, the peduncle paler. Female. Frons and epistoma narrow, the frons black above, white downwards, it has a longitudinal keel from the ocellar tringle ending with a little knob above the antennæ; third antennal joint a little more pruinose than in the male and with a longer rostrum. Abdomen wuth the grey spots larger; hypopygium pearshaped, greyish black, shini
Size: 912px × 2741px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
