Posted by Ruth Ahlburg on 22-03-2008 16:37
#1
August 14,2007 in the garden at Drottningholm Palace , Stockholm, Sweden.
Is it possible do give the fly a more exact ID?
Greetings
Posted by David Gibbs on 23-03-2008 13:03
#2
with the exception of a few more distinctive species
Villa require specimens to say more then
Villa sp., ideally a series including both sexes and even then they can prove impossible to name with confidence. In denmark a dissected male will probably suffice but many species are moving north so caution needed.
Posted by Ruth Ahlburg on 23-03-2008 14:31
#3
I?m very happy for yor explanation of the difficulties in making species-ID.
It exemplifies problems with just visual identification from pictures.