Description: A 5-5.5mm long blackish brown ground beetle with paler markings, living at the margins of ponds, rivers, fens and turloughs, sometimes among dense vegetation. Very local.

NI account: Scattered and very local. Not in northern counties.

Ecology: Recorded from silty, well-vegetated lakeshores, usually on limestone e.g. lakes in the Burren, Clare.

Distribution: A Eurosiberian Wide-temperate species (64) found across Europe, except the extreme north, to Asia Minor, Iran and western Siberia.

Key Identification Features:

• Small (5-6mm), fairly convex and iridescent
• Pronotum with hind angles completely rounded
• First segment of meta tarsi with a thin external keel
• Upper surface dark, margins pale

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

iNaturalist: Stenolophus mixtus at iNaturalist World Species Observations database.

GBIF data for Stenolophus mixtus | Classification: Insecta, Coleoptera, Carabidae, Stenolophus

Thumbnails for genus Stenolophus