Elateridae of the British Isles

Sericus brunneus (Linnaeus, 1758)

Size – 8-9mm.

Description – Male with dark brown head and pronotum and lighter mid-brown elytra. Female with dark brown head and lighter brown pronotum, patterened with a darker brown central spot running the length of the pronotum and two dark areas at the edges starting half way down and extending to the base of the posterior angles. The elytra are a uniform light brown. Longitudinal rows are visible running the length of the elytra and the pronotum is densely pitted on close examination. The legs are uniform light brown. Antennae are dark brown and extend to the posterior margin of the pronotum in the male, shorter in the female.

National Biodiversity Network map showing the distribution of Sericus brunneus across Britain and Ireland.

British and Irish distribution of Sericus brunneus (Linnaeus, 1758) based on records held by the National Biodiversity Network.

Distribution data supplied by:

  • Countryside Council for Wales
  • Tullie House Museum
  • Countryside Council for Wales
  • Natural England
  • Leicestershire Environmental Resources Centre
  • Highland Biological Recording Group
  • National Trust for Scotland (staff)
  • North East Scotland Biological Records Centre
  • Wiltshire and Swindon Biological Records Centre

Distribution – A widespread and fairly common species, in England north to Cumbria and North Yorkshire and in Wales. Fewer Scottish records, all from the central and east Highlands.

Photo by A.A. Medvedev courtesy of www.zin.ru/Animalia/Coleoptera

Photo by A.A. Medvedev courtesy of www.zin.ru/Animalia/Coleoptera