Thread subject: :: Pachystylum? (Exoristinae, Tachinidae) from Greece - id help

Posted by John Carr on 30-11-2023 21:52

The single strong bristle at the base of R4+5 is normally of generic significance. Most genera have at least a few weak bristles. The exceptions with one strong bristle are not closely related to each other.

Is the first post-sutural supra-alar weak or strong?