Posted by ValerioW on 31-08-2014 11:46
#7
Lucgast wrote:
Thanks, very interesting and first time I see a different one.
Are these dark versions rare?
Luc
Here, in Italy, I've never seen one (and consider that in my experience
E. balteatus is the most abundant hoverfly). But I know about them from North European papers, and this easily confirms Stephane's speech.