Description: 4-5.5mm long brownish black ground beetle living among reed and other litter of fens and lowland river banks. Widespread but local.
NI account: Widespread but mainly in the east and south, on lowland river margins, lakeshores and swamps.
Ecology: It has been recorded from fens, marshes and well-vegetated riverbanks and lakeshores in mesotrophic to eutrophic conditions.
Distribution: A Eurosiberian Boreo-temperate species (54) found across Europe from Fennoscandia south to Italy and east into the Caucasus, Asia Minor and western Siberia.
Similar Species: Dicheirotrichus cognatus: smaller (3.5-4.2mm); only first antennal segment pale, legs dark
Key Identification Features:
Distribution Map from NBN: Dicheirotrichus placidus at National Biodiversity Network mapping facility, data for UK.
iNaturalist: Dicheirotrichus placidus at iNaturalist World Species Observations database.
GBIF data for Dicheirotrichus placidus | Classification: Insecta, Coleoptera, Carabidae, Dicheirotrichus
Thumbnails for genus Dicheirotrichus
Anderson, R., 2024. Dicheirotrichus placidus. (Gyllenhal, 1827). [In] Ground Beetles of Ireland. https://www2.habitas.org.uk/beetles/species.php?item=7418. Accessed on 2024-12-26. |