#2
Hello Borlinghaus,
The specimen shown is a Melangyna. Leucozona never have the sharp defined abdominal spots on tergite three and four.
Seeing the spots are very white I would say this is Melangyna umbellatarum.
Greetings,
Ectemnius
p.s. Syrphidae are usually posted in the Syrphidae forum:
http://www.diptera.info/forum/viewforum.php?forum_id=7
#3
sorry for my misposting
would these pictures confirm your identification?
http://naturgucker.de/?bild=1200068999
http://naturgucker.de/?bild=347108886
http://naturgucker.de/?bild=1402087281
thanks for patience and efforts!
rolf