Posted by Gisela Merkel-Wallner on 24-08-2005 10:50
#4
Dear Sarah,
the eyes of the females are divided by a greater interspace, the eyes of the males join together among the most species (but there are some exeptions). Moreover the genus Sphaerophoria shows a greater sexual dimorphism as the most other Syrphid-species.
Greetings
Gisela Merkel-Wallner