Posted by tim worfolk on 18-05-2009 21:36
#1
Sorry for adding to the already long list of id requests for this sp. (I've checked them all). Assuming this is
Empis tessellata (I know you'll correct me), is identification straightforward or are there similar spp. to look out for? The experts never seem to have much trouble even from out of focus shots, but I assume that the key features aren't just 'big, dark and bristly'. Is there anything else to look for?
Photographed Devon, England; 18/5/2009
Thanks
Tim
Posted by Paul Beuk on 19-05-2009 07:07
#2
This is indeed
Empis tessellata and it is quite unique already because of its size. One of the few species with which small specimens can be confused is
Empis sericans, in which the posterior vein of the fork in R4+5 is more bent backwards and which always has all black legs. Nice for you to know: SO ar it has not been recorded from Britain.
Posted by tim worfolk on 19-05-2009 08:02
#3
Thanks Paul, that's exactly what I wanted to know. Great forum BTW.
Tim