Posted by
Andrzej on 26-04-2007 15:05
#2
If the ID characters is as follow: Face distinctly narrower than the frons, that should be H. atricornis , if not so (face not narrower than frons) that is H. rotundicornis.
In my opinion the wings are more dusted in the presented female than in female of H. atricornis but please check the ID !

Andrzej