Description: A 4-5mm brown-black Badister similar to both B. dilatatus and B. collaris. Found on mud amongst lush vegetation at the margins of standing water. Very local species, in the south-west only.

NI account: The first confirmed Irish record is that of Speight (1977) for Garryland Wood, south-east Galway. It has a scattered distribution in south-western counties and is rarer than B. dilatatus. Known from North Tipperary, Southeast Galway, Clare and Roscommon.

Ecology: It has very similar requirements to B. dilatatus with which it has been recorded on several occasions.

Distribution: A Eurosiberian temperate species (74) distributed from western and northern Europe to the Caucasus and central Siberia.

Similar Species: Badister collaris: distinguishable with certainty only on the male genitalia; elytral striae finer, intervals flat. B. dilatatus: distinguishable with certainty only on the male genitalia; hind angles of pronotum more rounded, oblique lateral area slightly arcuate (Fig. 90)

Key Identification Features:

• Small, elytra iridescent and with fine, impunctate striae
• Mandibles asymmetric, left mandible having a large dorsal tubercle and notch (Fig. 104), as dilatatus
• Second segment of antennae very short
• Colour dark with only elytral margins slightly paler
• Hind angles of pronotum less rounded, base inside these oblique (Fig. 90)
• Elytral striae impressed, intervals slightly convex

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

iNaturalist: Badister peltatus at iNaturalist World Species Observations database.

GBIF data for Badister peltatus | Classification: Insecta, Coleoptera, Carabidae, Badister

Thumbnails for genus Badister