Amara bifrons (Gyllenhal, 1810)

Description: A 5-7.5mm long bronze brown Amara. Found on sparsely vegetated, sandy soils, usually near the coast. Phytophagous. Very local.

NI account: Coastal. Widespread but rare and perhaps declining.

Ecology: A xerophilic species and not very common anywhere in Ireland. Mostly recorded from lightly vegetated sandy soils near the east and south coasts.

Distribution: A European Wide-temperate species (63) found across Europe to the Caucasus and western Turkestan.

Similar Species: Amara praetermissa: elytra with pore punctures at base of scutellar striae

Key Identification Features:

  • Body stout and a characteristic 'oval' shape
  • Head with two supra orbital punctures
  • Elytra lacking pore-puncture at base of scutellar stria
  • Terminal spur of pro-tibia simple
  • Pronotum with minute incision close to hind angle (Fig. 83)
  • Entire base of pronotum equally punctate (Fig. 83)
  • Upper surface pale brown, bronzed, antennae and legs pale, yellow-red

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

iNaturalist: Amara bifrons at iNaturalist World Species Observations database.

GBIF data for Amara bifrons | Classification: Insecta, Coleoptera, Carabidae, Amara

Thumbnails for genus Amara

 Anderson, R., 2024. Amara bifrons. (Gyllenhal, 1810). [In] Ground Beetles of Ireland.
https://www2.habitas.org.uk/beetles/species.php?item=7348. Accessed on 2024-12-26.