Posted by Sundew on 24-07-2011 00:24
#7
I'd like to cite the opinion of Roger K. A. Morris in another forum (
http://www.hoverf...eccfea625b):
"
Melangyna cannot be done from photos. ... The most likely grouping is either
M. labiatarum or
M. compositarum but microscopic examination is needed to separate the males - females cannot be separated."