Diptera.info

Posted by Ruth Ahlburg on 23-12-2007 20:20

Seen to day , December 23. 2007 near Copenhagen, Denmark.
Hebecnema Vespertina?
Best regards Ruth Ahlburg

Posted by Stephane Lebrun on 24-12-2007 10:43

I'd go with Hebecnema too. It seems that halters knobs are black, therefore I'd say Hebecnema nigra (and only 1 av on t3 ?).

Posted by Ruth Ahlburg on 26-12-2007 12:32

Stephane Lebrun wrote:
I'd go with Hebecnema too. It seems that halters knobs are black, therefore I'd say Hebecnema nigra (and only 1 av on t3 ?).

Hi Stephane.

Thanks for your help.
I am very new in this business. Is it possible to explain, what 1 av on t3 is? I know t3 is tergit 3 and av means anteroventral.
I have manipulated the contrast on the last picture. Does it help?
Kindly regard
Ruth

Posted by cosmln on 26-12-2007 13:24

Ruth Ahlburg wrote:

Stephane Lebrun wrote:
I'd go with Hebecnema too. It seems that halters knobs are black, therefore I'd say Hebecnema nigra (and only 1 av on t3 ?).

if learned well t3 is tibia3 (tibia of posterior leg)

cosmln