thi postical vein yellowish") , in a specimen almost entirely smoky, 

 excepting of the anal area nearly hyaline, and With a very small :hyaline 

 spot in the second sub-marginal cell , J arid anal cell distinctly open ; upper 

 branch of the cubital fork bearing a rather long recurrent veinlet near the 

 base ; first posterior cell widely open. Squamae rather small, brownish 

 yellow, with very short brownish fringe ; halteres moderate in siz*i, 

 yellowish brown with rather large oblong blackish brown knob. 



1-egs pale brownish yellow or yellowish brown, somewhat 

 polished, apices of all joints slightly tinged with brownish or blackish; 

 forecoxae nearly two-thirds the length of the fore femora, furnished 

 with blackish brown hairs which become less and shorter towards the 

 apice and outerside ; fore femora as long as the fore tibiae, covered 

 with blackish pubescence which becomes much shorter and sparse 

 towards the base and under surface, the inner margin of the apical part 

 of the under surface bearing rather conspicuous black fringe ; middle 

 and hind femora covered with black pubescence, which is rather shorter 

 and sparser and becomes somewhat denser towards the apex ; tibiae 

 all similar, bearing rather dense black pubescence, the middle and hind 

 ones bearing two rather large, sub-equal, brown, black-tipped apical 

 spurs ; tarsi with short blackish pubescence above, and with very 

 short yellowish one beneath, bearing conspicuous large brownish yellow 

 pulvilli. 



Abdomen broader than the thorax, nearly twice as long as the 

 length of the thorax (including the scutellum); the dorsum dull orange 

 yellow, slightly tinged with brownish towards the apex ; the ventre 

 brownish, somewhat paler towards the base ; pubescence on the dorsutn 

 mainly black, but at the middle portion of each segment mostly yellow 

 with black hairs intermixed, on the two basal segments very sparse, 

 and becoming longer and denser towards the sides ; pubescence on the 

 belly entirely black, denser than that on the dorsum. 



Length : 1 1 .5-14 mm. 



I have only three females from Sapporo in Hokkaido dated on 



