Tenthredo mesomela Linnaeus, 1758
Common names: Green-legged sawfly [En], Tenthrède commune [Fr], Echte bladwesp [Nl]
Hamoir, LIEGE ● Belgium
Description: With a length of 9.5-13mm, this sawfly has an apple green body with a black back. It is distinguished from the similar Rhogogaster viridis species by its black stigma (R. viridis has a green stigma).
Biology: Adults can be seen from May to July. They feed on pollen and nectar from umbellifers as well on small insects. The larvae feed nocturnally on Buttercup, Persicaria and other plant species.
Habitat: Meadows, verges and woodland rides.
Distribution: Western and Central Europe, from Norway to France and Bulgaria.