Pterostichus (genus - predators)

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Pterostichus anthracinus (click on image to enlarge it)
Source: Wikimedia Commons

Pterostichus Bonelli, 1810

This large genus of ground beetles contains more than 1,000 species. They are polyphagous and can feed on arthropods, slugs, earthworms and even seeds. The preferred food is often earthworms and insects. A number of species are recognized as beneficial predators like Pterostichus melanarius or Pterostichus chalcites. The pest groups included in their diet are caterpillars, beetles, aphids, ticks and slugs.

Compared to other ground beetles, the adults are compact with short appendages. The genus is characterized by the morphological structure of the mouth parts (mentum tooth with an emargination at the tip), antennae and the prothorax.

Currently, the following species have been entered into the system: