Brachinus

Big bombardier beetle ( Brachinus crepitans ), illustration from Brehm's Animal Life

Brachinus is a genus of beetles in the family of ground beetles ( Carabidae ). It is distributed worldwide.

Features

The beetles are colored mostly less than 10 millimeters long and two-colored red-blue. The elytra are quite curved, horizontal, more or less arched sold with distinct shoulders and extends to the rear. Rows of dots are not present, but often indicated shallow longitudinal furrows. At the trailing edge no cutaneous rim can be seen in the rule. A chin tooth does not exist. Most of the head is slightly wider than the pronotum. The pronotum is narrow heart-shaped. The Halschschildwinkel is slightly below 90 °. On the elytra a very dense, uniform fine hair is present. Head and pronotum are only slightly hairy, temples clear it. The three front Tarsenglieder the males are slightly extended. In the middle of the back edge of her seventh sternite is deeply incised.

System

In Central Europe, 4 species of the genus occur:

  • Brachinus sclopeta (Fabricius, 1792)
  • Brachinus blow dens Duftschmid 1812
  • Brachinus crepitans ( Linné 1758 )
  • Brachinus ganglbaueri apple Beck 1904

Documents

  • Heinz joy, Karl Wilhelm Harde, Gustav Adolf Lohse: The beetles of Central Europe. Volume 2 Adephaga 1, Goecke & Evers Verlag, Krefeld 1976, ISBN 3-87263-025-3.
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