Description:
As in many diptera species, males can be easily identified by their holoptic eyes (eyes touching at the top of their heads).
A male. Drentsche Aa National Park, The Netherlands, 7 July 2020
As in many diptera species, males can be easily identified by their holoptic eyes (eyes touching at the top of their heads).
A male. Drentsche Aa National Park, The Netherlands, 7 July 2020