''Paropsisterna bimaculata'' is a beetle commonly called a

leaf beetle The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle ...

in the subfamily

Chrysomelinae The Chrysomelinae are a subfamily of leaf beetles (Chrysomelidae), commonly known as broad-bodied leaf beetles or broad-shouldered leaf beetles. It includes some 3,000 species around the world. The best-known member is the notorious Colorado po ...

.This insect is common in Tasmania and can be a pest in the forestry industry. Paropsisterna bimaculata will develop a red color just before their winter hibernation. When they emerge the red slowly disappears into a pale green colouring with faint gold tessellation. This takes about a month with the males generally slightly advanced. Recently this beetle has been noticed in Victoria.

References

{{Taxonbar, from=Q22106478 Beetles of Australia Chrysomelinae Taxa named by Guillaume-Antoine Olivier Beetles described in 1807