
Community identification
Stag Beetle
Lucanus cervus
- Order & Family
- Order Coleoptera, Family Lucanidae
- Size
- 30 mm to 75 mm (1.2 to 3.0 inches), with males generally larger
Natural Habitat
Deciduous woodlands, forests, and occasionally gardens near decaying hardwood stumps and logs
Diet & Feeding
Larvae feed on decaying wood and roots underground; adults feed on tree sap, rotting fruit, and nectar
Behavior Patterns
Mostly nocturnal, active during warm summer evenings. Larval stage can last several years underground before pupating and emerging as adults. Males use enlarged mandibles to fight each other for territory and mates.
Risks & Benefits
Harmless to humans as they do not sting and rarely bite unless severely provoked. Ecologically beneficial as larvae help break down dead wood and recycle nutrients back into the soil.