Oreina bifrons

Oreina bifrons is a species of broad-shouldered leaf beetles belonging to the family Chrysomelidae, subfamily Chrysomelinae.

Subspecies
Subspecies include:
 * Oreina bifrons bifrons (Fabricius, 1792)
 * Oreina bifrons cadorensis Bechyné, 1958
 * Oreina bifrons decora (Richter, 1820)
 * Oreina bifrons gadmena Bechyné, 1958
 * Oreina bifrons heterocera (Reitter, 1917)
 * Oreina bifrons monticola (Duftschmid, 1825)

Description
Oreina bifrons can reach a length of 9 - 10 mm. These beetles are characterised by colour polymorphism.

Distribution
This species can be found in Europe, in the Alps, Sudetes, Carpathians and Balkans.

Biology
These beetles are viviparous. Larvae mainly feed on Chaerophyllum hirsutum.