Thread subject: Diptera.info :: Muscidae - mating couple - 04/06/2011
Posted by Jeroen K on 05-06-2011 09:42
#1
04/06/2011, my garden, Kapellen, Belgium. ID'able? Thanks in advance!
Posted by Jeroen K on 05-06-2011 09:43
#2
Picture 2:
Posted by Jeroen K on 05-06-2011 09:43
#3
Picture 3:
Posted by Stephane Lebrun on 05-06-2011 09:58
#4
Potamia litoralis : they are everywhere around at the moment. :)
Posted by Jeroen K on 05-06-2011 10:01
#5
Thanks a lot, Stephane. Indeed, they are everywhere. How can I recognize them?
Posted by Stephane Lebrun on 05-06-2011 10:22
#6
They looks like
Hydrotaea : the female bears a pair of strong proclinate orbital, and a pair of crossed interfrontal bristles. Both sexes have prac and black halters. But the female has the genae higher than 1st flagellomere is wide and ks are 1:2, not 1:1. The male bears strong and long frontal bristles reaching the tip of ocellar triangle, and the front femur is not modified as in
Hydrotaea.
Edited by Stephane Lebrun on 05-06-2011 11:00
Posted by Stephane Lebrun on 05-06-2011 10:28
#7
I can add that in case of doubt with
Hydrotaea (for the female), the arista is short plumose in
Potamia (it is at most pubescent in
Hydrotaea).
Posted by Jeroen K on 05-06-2011 11:17
#8
Thanks for this useful information, Stephane!