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European Stag Beetle (Lucanus cervus)
Reference photo: J.F. Gaffard / Wikimedia Commons · CC BY-SA 3.0
Insects

European Stag Beetle

Lucanus cervus · Rădașcă

Europe's largest beetle; males carry huge antler-like jaws used in fights with rival males.

At a glance

Habitat
Forest
Activity
Evening
Diet
Larvae feed on decaying wood for several years; adults feed on sap and fluids.
Photography difficulty
Moderate

Identification

Dark brown to black. Males have enlarged reddish-brown mandibles; females are smaller with small jaws.

Habitat

Old oak and other deciduous woodland with decaying wood.

Distribution

Much of Europe, including Romania.

Approximate range in Romania

Transylvanian hills · South-west (Banat and Oltenia hills) · Carpathian mountains and foothillsGeneral distribution only. This is not an occurrence map and does not show nesting or sensitive wildlife locations.

When it is active

Evening

Diet

Larvae feed on decaying wood for several years; adults feed on sap and fluids.

Behaviour

Adults live only a few weeks in early summer and often fly at dusk.

Seasonality in Romania

How to find it

Old oak woods on warm early-summer evenings.

Photography

General guidance based on the species’ behaviour, not a report of Nick’s personal field experience.

Difficulty
Moderate
Ethics
Leave dead wood in place; it is the larvae's habitat.

Practical starting points, not fixed rules.

Continue exploring

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    Sources

    Last reviewed:

    Romanian common name checked against the sources below. Other Romania-specific facts and monthly timing still require verification.