Size – 8-10mm.
Description – Unicolourous black, with brown tarsi. Longitudinal rows of pits are obvious on the elytra and densely scattered punctures are visible on the pronotum. The antennae extend to the posterior edge of the pronotum.
British and Irish distribution of Ampedus nigerrimus (Boisduval & Lacordaire, 1835) based on records held by the National Biodiversity Network.
Distribution data supplied by:
- Natural England
Distribution – Only British confirmed records from Windsor.
Biology – The larvae associated only with rotten stumps, trunks and branches of old Oak (Quercus rober). The insect pupates and ecloses in the autumn and the imago overwinters in the pupal case. On emergence the imago has been repoted feeding on Hawthorn (Cratageus spp.) flowers.
Habitat – Ancient broadleaved woodland.