Thread subject: Diptera.info :: Parydra coarctata (cf), Ephydridae, May 28, 2021, near Budapest, Hungary?
Posted by Tony Irwin on 01-06-2021 09:26
#5
The presence or absence of the appendix (side branch) of r2+3 is very variable among most species of Parydra - I regularly see specimens with the appendix on one wing, but not the other!