Thread subject: Diptera.info :: Choerades? =>Choerades marginata group

Posted by ChristianL on 08-10-2010 12:02
#1
Hi everybody,
I found this Asilidae on a edge of a forest near Göttingen (Germany, Lower Saxony, Kerstlingeröder Feld, ~350m 51.526012°,10.002986°)
Is my assumption right with Choerades and then maybe C. femorata?
Thanks for your efford, Christian
Edited by ChristianL on 08-10-2010 23:16

Posted by Danny Wolff on 08-10-2010 18:27
#2
Hi Christian,

this is a specimen of the Choerades marginata - group. Separating Ch. femorata from Ch. marginata not possible on this picture.

Greetings, Danny

Posted by ChristianL on 08-10-2010 22:51
#3
Thanks again Danny for your help!
What would be necessary to see for separating these two? I don't have another pic of this one, but if I meet them again, I could then try to make it better Wink
Cheers, Christian

Posted by Danny Wolff on 10-10-2010 09:55
#4
Hi Christian,

Asilids should be phtographed in most cases from lateral view. In lateral view there is normally the highest chance for an ID. In case of the Choerades marginata-group the antennae and the length of its segments are of importance as well as the shape of the head in lateral view, the colour of the adpressed facial hairs, the colour and arrangement of the abdominal hairs and the shape of the back femora.

Greetings, Danny