89 



tori subspherieal with cup-shaped apical excavation, bright brown with a patcb of 

 brighter scales on innerside, hairs of whirls sparse black. - - Clypeus roundedly 

 prominent, nude, black; eyes black. Occiput black with narrow curved, pale-ochra- 

 ceous scales on vertex, and broader whitish ones on the sides; sets along margin 

 of eyes black; those projecting forward between the eyes black. 



Prothoracic lobes elliptical, remote dorsally, black, clothed with yellowish-white 

 scales and black bristles. Mesonotum black, clothed with narrow curved pale bronzy 

 scales; with a broad middleline black, formed by two black lines fused together 

 but separated by an extremely small line only indicated by a series of few long 

 bristles ; sideways two shorter, more or less conspicuous black lines. The remainder 

 of the thorax covered by a coating of yellowish-white hairs. Scutellum brown, with 

 creamy scales and dark brown border bristles, metanotum chestnut brown; pleura 1 

 black, but almost covered by numerous patches of almost snow-white scales. 



Abdomen subcylindrical, flattening, tapering posteriorly; dorsal vestiture of 

 black scales with basal creamy almost snow-white bands, narrow, almost disappear- 

 ing in the middle line but laterally widening in white spots; the underside banded 

 by bands of very broad, white scales; posterior borders edged by yellowish-grey hairs. 



Wings with the veins clothed with yellowish-brown scales; those of the costal 

 and subcostal vein black; first marginal cell longer and a little narrower than second 

 posterior cell; stem a little shorter than the cell; stem of the second posterior cell 

 longer than the cell; supernumerary and midcross-veins forming a slight obtuse 

 angle with one another; posterior cross-vein about twice its own length from the 

 midcross-vein; fringe brown. Halteres grey with fuscuous, greyish bordered knob. 



Legs with coxa? covered by snow-white scales; underside of all femora yellow- 

 ish-white, on the upperside black, but at base all round yellowish-white; knees 

 bronzy; hindfemora in their half length almost white. Tibia? and tarsi black. Claw 

 formula 1.1 — 1.1—1.1. 



Length: body about 5.5 mm. 



Male: Proboscis long, slender, haired at tip. straight, black. Palpi slightlv 

 exceeding the proboscis in length, blunt at apices; vestiture almost black but in some 

 lighting showing a slight greyish tomentum; end of long joint and last two joints 

 slightly enlarged with dense, moderately long black hairs. Antenna? plumose; 

 the last two joints long and slender, pilose black; the other joints short, pale 

 with blackish rings; hairs of whorls long, black with greyish silky luster. Occi- 

 put black, clothed with narrow, curved, creamy-yellow scales above; the sides 

 with broad flat, dull white scales; nape with many short, upright, forked, creamy- 

 yellow scales; a row of long, black bristles along margin of eyes; those projecting 

 forward between eyes pale, yellow. 



Prothoracic lobes elliptical, remote dorsally, brownish, clothed with narrow 

 curved creamy-yellow scales and with few black bristles. Mesonotum clothed with 

 rather coarse, narrow curved, creamy-yellow scales; two narrow submedian lines of 

 brownish-black scales, which are smaller and denser; scutellum and posterior por- 



D. K. D. Vidonsk. Selslt. Skr., naturvidensk. og mattaem. Afd. 8. Rtekke, VII, I. 10 



