Posted by conopid on 11-05-2016 20:14
#1
Just highlighting a post I made in the general ID forum in case anyone can help:
http://www.dipter...d_id=73296
Edited by conopid on 11-05-2016 20:15
Posted by Mark van Veen on 16-05-2016 19:43
#2
I would say P. discimanus female: antennae black and 4 pairs of silverish spots. There are boreal species that have the same characteristics, P. groenlandicus, but these do not occur in Britain.