Amara aenea (Degeer, 1774)

Description: A 6-9mm bright bronze ground beetle with a typical squat, oval, Amara appearance. Largely phytophagous. Found on dry sandy ground with sparse vegetation, or on bare soil in gardens, arable land, river gravels etc. Very common.

NI account: Widespread and fairly common, especially near the coast.

Ecology: Mostly recorded from better-drained, open situations, but on most soil types including deep peat. Common in gardens and on sandy soils near the coast.

Distribution: A Eurosiberian Southern-temperate species (84) found across Europe to Macaronesia and the Mediterranean and east into western Siberia. Introduced to N. America.

Similar Species: Generally distinguishable from other species on the very flat elytral intervals, simple spur on pro-tibia and lack of pore puncture on 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
  • Hind angles of pronotum simple
  • Antennae with 3 (or 4) pale basal segments
  • Elytral striae fine, intervals quite flat
  • Femora dark

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

iNaturalist: Amara aenea at iNaturalist World Species Observations database.

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

Thumbnails for genus Amara

 Anderson, R., 2024. Amara aenea. (Degeer, 1774). [In] Ground Beetles of Ireland.
https://www2.habitas.org.uk/beetles/species.php?item=7343. Accessed on 2024-12-27.