Pipunculus. 



39 



— P. disfar Zett. 1838. Ins. Lapp. 579, 3. — P. Wolfii Kow. 1887. Wien. Ent. 

 Zeitg. VI, 152, 13. 



Male. Vertex black, shining; frons blackish brown or brown, 

 dull, higher than the eye-suture; epistoma grey. Occiput grey, dark 

 brown above. Antennæ blackish, third joint oval, pointed but not 

 rostrate, second joint with long hairs above and below. Thorax brown, 

 priiinose and dull, the humeral knob of the same colour, and thorax 

 not grey behind it; scutellum shining; the thoracic disc has dense 

 brownish hairs all over, and at the margin of scutellum the hairs are 

 not longer. Pleura grey anteriorly, brown- 

 ish backwards and postscutellum brown- 

 ish; propleura with yellow hairs. Abdomen 

 velvet black, from the second segment 

 with narrow, brilliantly shining hind mar- 

 gins, being broader backwards and on 

 fifth segment occupying half the length 

 or more; at the side margins indistinct 

 brownish spots are seen ; the fifth segment 

 has two impressions above as in Thomsoni. 

 Abdomen has short, dark brownish hairs, 

 paler and longer at the sides and the 

 bunch of hairs at the sides of first seg- 

 ment not or slightly longer. Hypopygium 

 somewhat large, black and shining, slight- 

 ly greyish pruinose, it has an oval apical 

 impression with a longitudinal median 

 keel-shaped fold; the end claw^s black. 

 Legs black, femora somewhat stout, 



trochanters and base of femora more or less yellowish, knees, a broad 

 basal part and apex of tibiæ yellow or obscurely yellowish, tarsi 

 brownish, palest at base; sometimes the tibiæ paler, only indistinctly 

 brownish or blackish below the middle; all femora shining below, 

 hind femora also on posterior side and also front femora to some 

 degree shining behind; the legs short-haired, middle femora with a 

 rather long ciliation behind and front and hind femora with a similar, 

 less dense ciliation; all femora with a double row of small spinules 

 below the apical part or half. Wings a little tinged, stigma brown 

 or pale brown, much longer than the next costal segment, middle 

 cross-vein at about the first third of the discai cell. Halteres brown 

 or brownish yellow. 



Fig. 16. Antenna of P. ater (^ 

 X 115. 



