title: Oreina bifrons
text: # 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 millimetres (0.35–0.39 in). 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.
  
  