Hemichroa australis

Hemichroa australis is a species of sawflies in the family Tenthredinidae.

Description
Hemichroa australis can reach a length of about 7 - 8 mm. Head and thorax are bright red, while the mesopleuron and the abdomen are shiny black.

This sawfly is similar to Hemichroa crocea, which has a bright orange abdomen and legs.

Larvae feed on alder (Alnus species) and birch (Betula species).

Distribution
This species can be found in most of Europe.