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photo gallery of the beetle fauna of Germany

The 4.2 to 5 mm large ground beetle Trichocellus placidus (family Carabidae) is one of two representatives of the family in Germany. The distribution range of the Eurosiberian species stretches from France to Western Siberia and from Fennoscandia to Hungary. The eurytopic, hygrophilous species lives on the marshy edges of meso- to eutrophic waters, on marshy meadows and in wet deciduous forests. T. placidus can ascend to the montane region up to 1000 m above sea level. It is usually found in hassocks, in moss and in vegetable detritus. The species is known throughout Germany and is not regarded as endangered. The sister species, T. cognatus, shows a more boreal distribution and can be distinguished by its pronotum, which is more contracted towards the basis in T. placidus.