Thread subject: Diptera.info :: Neoitamus cyanurus?

Posted by Markus Gebel on 25-07-2006 11:28
#1
Hello

What do you think about this robberfly? I think that the appearance matches to Neoitamus cyanurus. Did I look correctly?


Foto: Germany - Wesel (NRW) - Wood - 18.07.06

best regardsWink
Markus

Posted by Markus Gebel on 25-07-2006 11:30
#2
foto:

>edit>
I could'nt upload my foto? Whats the problem?Sad
Edited by Markus Gebel on 25-07-2006 11:39

Posted by Paul Beuk on 25-07-2006 11:35
#3
See: http://www.dipter...p?cat_id=2.

Posted by Markus Gebel on 25-07-2006 11:43
#4
@Paul: Thanx... Paul..-)

Who can read has an advantage...sorry my mistake!

greetings
markus

Posted by Tony Irwin on 25-07-2006 22:12
#5
Hi Markus
This is certainly a Neoitamus, but it looks like the third species - cothurnatus. The bristles on the front and mid femora appear to be white (compare the pictures of cyanurus and socius you posted last week). Also the hind basitarsus is extensively orange (compare again, and you will see the difference - but beware - cyanurus can sometimes have yellowish basitarsi too). Stubbs also mentions a difference in the length of the hind basitarsus. N.cothurnatus is supposed to have a shorter basitarsus than cyanurus, but this is not apparent from your pictures.
You're certainly having a good year for asilids! Wink
Edited by Tony Irwin on 25-07-2006 22:13

Posted by Markus Gebel on 27-07-2006 20:44
#6
@Tony:
Sorry for my late answer!!!

I#am happy about your answer.:-)) Woow... really good year for asilidae.-)

Greetings
Markus

Posted by Tony Irwin on 27-07-2006 22:57
#7
Hi Markus
I'm sorry, but it's "Ooops" time for me. I think I got this one wrong. Sad
The ovipositor shape is not quite right for Neoitamus (the segments should be longer). I think it may be Neomochtherus geniculatus instead. (This would also explain why the hind basitarsus was too long.) Perhaps one of the asilid experts would like to comment?