Thread subject: Diptera.info :: Small Coenosia
Posted by pjoris on 23-11-2011 22:25
#1
With this small Coenosia (3mm), I seem to be getting nowhere in the keys. Any ideas ? (From Arlon, Belgium, 18-5-2002). Joris
Posted by Stephane Lebrun on 23-11-2011 22:40
#2
Male
Coenosia octopunctata very likely.
Edited by Stephane Lebrun on 23-11-2011 22:44
Posted by pjoris on 23-11-2011 22:50
#3
Ah - I see where I might have gone wrong. At the relative lengths of the squamae. And I was doubting there ... Thanks, Joris
Posted by Stephane Lebrun on 23-11-2011 22:57
#4
Yes, if you could confirm the ID, it would be interesting since the species don't seem yet recorded from Belgium.
Edited by Stephane Lebrun on 23-11-2011 22:58
Posted by pjoris on 23-11-2011 23:06
#5
Yes, it keys out fine to octopunctata and corresponds well with the description (scutum, spines on costa, blackish genitalia). Not only not known from Belgium, but seems absent from the Netherlands, Germany and France too ? It is from the Lagland military camp which is one of the more intact heath and bogland areas of Belgium which may explain the presence of this upland/northern species. Thanks again, Joris
Edited by pjoris on 23-11-2011 23:11