Elateridae of the British Isles

Hemicrepidius hirtus (Herbst, 1784)

Size – 13-17mm.

Description – One of the larger British Elaterids. The species is uniformly metallic black, with no obvious covering of hairs. Ridges running the length of the elytra are distinctive. The legs are black, lightening slightly towards the ends of the tarsi. The antennae are fairly long, extending just beyond the posterior edge of the pronotum.

National Biodiversity Network map showing the distribution of Hemicrepidius hirtus across Britain and Ireland.

British and Irish distribution of Hemicrepidius hirtus (Herbst, 1784) based on records held by the National Biodiversity Network.

Distribution data supplied by:

  • National Trust
  • Bristol Regional Environmental Records Centre
  • EcoRecord
  • Royal Horticultural Society
  • Countryside Council for Wales
  • Highland Biological Recording Group
  • Greenspace Information for Greater London
  • North East Scotland Biological Records Centre
  • Countryside Council for Wales
  • Natural England
  • Leicestershire Environmental Resources Centre
  • Wiltshire and Swindon Biological Records Centre
  • Staffordshire Ecological Record

Distribution Р Well distributed and fairly common in England and Wales north to Northumberland. Only a handful of scattered records from Scotland, mostly in the west.

Biology – The larvae are thought to develop in decaying wood, however any further detail seems to be unknown.

Habitat – Quite a widespread use of habitats, but most commonly on fertile soils in the English lowlands.