Posted by Carnifex on 04-06-2020 22:27
#1
Never seen such a deep absolute black in an insect before. How to separate
Phora atra from other species?
Swarming behavior:
Posted by Paul Beuk on 05-06-2020 10:31
#2
COuld be
atra but there are similar species (for example
holosericea) that cannot be ruled out on thye basis of just this photo. It all comes down to male genitalia.