Posted by
Zeegers on 29-05-2007 19:56
#6
The species are not too difficult, as long as you don't try to understand the matter at a generic level.
The third antennal segment is elongated, excluding Clytiomyia continua. The arista appears to be thickened at base only, which excludes Heliozeta pellucens.
The colouration, quite orange with yellowish wingbase support the conclusion:
male Heliozeta helluo
(which Chris doesn't have in the UK, to make things more difficult)
Theo