Posted by Dmitry Gavryushin on 29-04-2006 22:27
#1
Found around 5p.m., Apr 29, 2006, hanging on a dead aspen trunk, in a damp forest of Populus tremula + a lot of Corylus avellana, and some Quercus and Betula. Size 4-5mm.
Posted by Paul Beuk on 30-04-2006 18:11
#2
A gall midge, Cecidomyiidae. This is more or less what the genus
Cecidomyia looks like, but there may be similar genera.