Posted by Paul Beuk on 18-03-2007 20:34
#5
E. aeneus: Male eyes not clealry separated. Tergites 2 and 3 completely shiny. Mesonotum with faint greyish striping on anterior half (five strong stripes in Southern Europe, though).
E. sepulchralis: Male eyes clearly separated. Tergites 2 and 3 with dull markings. Mesonotum with five grey stripes.
All from Van Veen's Key to NW European Syrphidae.