. Fig. 27. Antenna of D. trivialis d", from the inside. X 65. golden or coppery reflexes; sometimes it is bluish; it is sligiitly whitish pruinose downwards; dark hind margins to the segments are very narrow or wanting; abdomen clothed with short, black hairs, and has somewhat short hindmarginal bristles, longer on the first segment. Venter greyish, distinctly pale-haired. Hypopygium not large, æneous black, greyish pruinose; the eighth segment with black hairs; the posterior ventral lobes project a little, they are narrow and pointed, and with a fine hair towards the apex; the inner lame
. Fig. 27. Antenna of D. trivialis d", from the inside. X 65. golden or coppery reflexes; sometimes it is bluish; it is sligiitly whitish pruinose downwards; dark hind margins to the segments are very narrow or wanting; abdomen clothed with short, black hairs, and has somewhat short hindmarginal bristles, longer on the first segment. Venter greyish, distinctly pale-haired. Hypopygium not large, æneous black, greyish pruinose; the eighth segment with black hairs; the posterior ventral lobes project a little, they are narrow and pointed, and with a fine hair towards the apex; the inner lamellæ curved downwards, the median thin, pointed, the lateral dilated, with a dilata- tion at the apex; the outer lamellæ somewhat trapeze-shaped, whitish or yellowish white with a narrow, blackish margin along the ventral, apical and posterior part of dorsal edge, the latter broadest; at the end there are some long teeth with curved hairs, increasing in length towards the dorsal corner; the ventral margin serrated, with shorter hairs, and on the inside with inwards directed hairs. Legs yellow, front coxæ a little whitish pruinose, posterior coxæ grey with the apical part yellow, the hind coxæ somewhat more yellow and yellow behind; anterior tarsi with the apex of metatarsus and the four fol- io wing joints black; hind tibiæ scarcely or slightly darkened at the apex, hind tarsi black. Legs with short, black hairs, hind femora a little longer haired above towards the base, and with a fringe of long, yellow hairs below in the apical half; the front tarsi with short, dense, erect hairs on the anterior side of the three middle joints, and with a bristle at the apex of metatarsus on the anterior side; posterior femora with one preapical bristle; front tibiæ with bristles above and generally one on the postero-ventral side; middle tibiæ with about four antero-dorsal bristles (the two more dorsal), two postero-dorsal, two antero-ventral and one ventral bristle; hind tibiæ with
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
