Thread subject: Diptera.info :: Black wasp couple, yellow stripped

Posted by Klaus Hartwig on 15-10-2015 21:02
#1

Hello,
both I found in the North of Germany, nature reserve, woodland, mainly occuring
"Alnus glutinosa" und wet meadows. Date: 2015-06-26.
Name ?

Best regards
Klaus

Posted by Tony Irwin on 15-10-2015 21:31
#2

These are Cephidae - a family of very slender sawflies (Symphyta) whose larvae tunnel in the stems of plants.

Posted by piros on 15-10-2015 21:45
#3

May be Trachelus sp.
Greetings,
Henrik