Skip to content
CivicMapleEveryday answers, clearly mapped.
Nature

Stag Beetle

What is stag beetle?

· Emily Grant

Key facts

Family Lucanidae[1]
Species commonly called 'the stag beetle' Lucanus cervus[1]
Scientific name Lucanus cervus[1]
Alternative common names European stag beetle; greater stag beetle[1]
UK status UK’s largest beetle[1]
Male feature used in the name enlarged mandibles resembling antlers[1]

Stag beetles are beetles with large mandibles resembling antlers, found in the family Lucanidae.

Context

Stag beetles are known for their distinctive antler-like mandibles, which are particularly prominent in males. The species *Lucanus cervus* is commonly referred to as 'the stag beetle' in Europe and the UK [1].

Documented claims

  • The larvae of stag beetles feed on decaying wood. [1]
  • Stag beetles play an ecological role by breaking up dead wood and accelerating colonisation by bacteria and fungi. [1]
  • Male stag beetles use their mandibles for fighting over females and grappling rivals. [1]

Related

Hercules BeetleBoth are large, impressive beetles often kept by enthusiasts.Dung BeetleBoth are common beetle types that people may want to compare.

Questions and answers

Do we have stag beetles in Canada?

Stag beetles are not commonly found in Canada [1].

Is it safe to pick up a stag beetle?

Stag beetles are generally harmless and safe to handle, but their mandibles can pinch if they feel threatened [1].

Sources

  1. Stag beetle | Larvae, Lucanidae, Beetles — britannica.com (retrieved August 3, 2026)

Sources last checked August 3, 2026. · More in Nature