''Hemichroa australis'' is a species of

sawflies Sawflies are the insects of the suborder Symphyta within the order Hymenoptera, alongside ants, bees, and wasps. The common name comes from the saw-like appearance of the ovipositor, which the females use to cut into the plants where they lay ...

in the family

Tenthredinidae Tenthredinidae is the largest family of sawflies, with well over 7,500 species worldwide, divided into 430 genera. Larvae are herbivores and typically feed on the foliage of trees and shrubs, with occasional exceptions that are leaf miners, stem ...

Description

''Hemichroa australis'' can reach a length of about . 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 Alders are trees comprising the genus ''Alnus'' in the birch family Betulaceae. The genus comprises about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few spec ...

'' species) and birch (''

Betula A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus ''Betula'' contains 3 ...

'' species).

Distribution

This species can be found in most of Europe.

References

External links

The sawflies (Symphyta) of Britain and Ireland

Mattelart
Tenthredinidae Insects described in 1823 {{sawfly-stub