Thread subject: Diptera.info :: Chrysotoxum cautum or arcuatum?

Posted by nick upton on 19-03-2010 14:08
#1

I think this is one or the other, but can anyone tell me which one and how can I tell the difference in future?

Photographed 27.6.09 feeding on Heracleum sphondylium in Wiltshire Southwest UK


Nick Upton - generalist naturalist and photographer