Description: A small (7-10mm) long black ground beetle. Northern and upland on dry gravelly or peaty soils particularly on high peatlands.

NI account: Widely distributed in mountainous districts of the British Isles including most of the hill areas of Ireland.

Ecology: Fairly eurytopic above 300m altitude, but most records are for summit moraine, streambanks and rocky places, rather than mire habitats.

Distribution: A Eurosiberian Boreo-arctic Montane species (24) found across north and central Europe to north-west Siberia.

Similar Species: Patrobus atrorufus: slightly larger (to 10mm); browner-redder; frontal furrows forwardly diverging; foreparts smooth

Key Identification Features:

• Medium (<9mm), dark
• Neck constricted behind eyes and with a lace
• Frontal furrows deep
• Frontal furrows parallel (Fig. 30)
• Foreparts (including head) transversely wrinkled

Distribution Map from NBN: Patrobus assimilis at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Patrobus assimilis at iNaturalist World Species Observations database.

GBIF data for Patrobus assimilis | Classification: Insecta, Coleoptera, Carabidae, Patrobus

Thumbnails for genus Patrobus