# Stag Beetle (*Lucanus cervus*)

The Stag Beetle is a strong beetle known for its large jaws that look like antlers! It's a cool beetle to find in the garden.

- **Category:** [Insects](https://www.snappit.app/explore/categories/insect)
- **Rarity:** Common
- **Danger:** 2/5 · Low
- **Habitat:** Forests and gardens
- **Also known as:** Horned Beetle, Lucanid Beetle

![Stag Beetle](https://res.cloudinary.com/drieglelr/image/upload/v1771426017/objects/5494.jpg)

## Appearance

The Stag Beetle is a large, robust insect, typically reddish-brown to black. Males are easily identified by their impressively oversized, antler-like mandibles, which are much larger than those of the smaller females.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Coleoptera
- **Family:** Lucanidae
- **Genus:** Lucanus

## Interesting facts

- Adult stag beetles enjoy a sweet treat of tree sap, often drinking it upside down.
- Sometimes, they pretend to be dead if they feel threatened, lying motionless on their backs!
- Stag beetle larvae spend up to seven years growing underground, feasting on dead wood!
- Their giant "antlers" are actually mandibles, used by males to wrestle rivals!

## Special abilities

- **Antler Wrestle:** Stag Beetles can engage in wrestling matches using their huge mandibles to impress females and compete with rivals.
- **Wood Recycler:** Stag Beetle larvae have powerful jaws that help them chew through and decompose dead wood, returning nutrients to the soil.
- **Hidden Transformation:** Stag Beetles spend many years developing as larvae underground, undergoing a complete metamorphosis to emerge as adults.

## Measurements & details

- **Wingspan:** 60-120 mm
- **Size:** 30-75 mm
- **Lifespan:** 30-90 days
- **Flight Speed:** 5-10 km/h
- **Leg Count:** 6

## Diet & Feeding

Larvae munch on decaying wood, while adults sip sweet tree sap and fruit juices.

- **Age differences:** Larvae feed exclusively on decaying wood; adults do not eat solid food but drink tree sap and fruit juices.
- **Primary Foods:** Rotting wood, Tree sap, Decaying fruit
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** Green Woodpecker (*Picus viridis*) — Green woodpeckers can dig out and feed on stag beetle larvae.
- **Eaten by:** [European Badger](https://www.snappit.app/explore/european-badger) (*Meles meles*) — Badgers are known predators, digging up larvae from their wooden homes.
- **Depends on:** [English Oak](https://www.snappit.app/explore/english-oak) (*Quercus robur*) — Stag beetle larvae thrive by eating the rotting wood of this and other deciduous trees.
- **Eaten by:** Brown Long-eared Bat (*Plecotus auritus*) — This bat hunts flying adult stag beetles during their evening flights.

## Traits

- [Antlered](https://www.snappit.app/explore/traits/antlered): Antlered describes animals possessing antlers, which are bony, branching growths found predominantly on male deer and related species.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.
- [Armored](https://www.snappit.app/explore/traits/armored): Armored describes animals protected by a hard, external covering or shell for defense.
- [Urban Friendly](https://www.snappit.app/explore/traits/urban-friendly): This habitat trait indicates species that can coexist with humans in urban and suburban environments, utilizing man-made structures and green spaces.
- [Nocturnal](https://www.snappit.app/explore/traits/nocturnal): Nocturnal animals are primarily active during the nighttime hours, typically resting or sleeping during the day.
- [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants.

## Collections

- [Insects](https://www.snappit.app/explore/collections/insects)
- [Insects](https://www.snappit.app/explore/collections/insects-and-bugs)

## Safety

**Danger:** 2/5 · Low

Do not touch or pick up. Some insects sting or bite. Ask an adult for help.

## Frequently Asked Questions

### How to identify Stag Beetle?

Look for hard wing covers meeting in a line down the back, then compare the antennae, body shape, legs and markings. Metallic colors shift a lot with lighting. Beetle Identifier: upload a photo and compare the visible details.

### What is Stag Beetle's wingspan?

60-120 mm

### How big is Stag Beetle?

30-75 mm

### How long does Stag Beetle live?

30-90 days

### How fast can Stag Beetle fly?

5-10 km/h

### What does Stag Beetle eat?

Larvae munch on decaying wood, while adults sip sweet tree sap and fruit juices.

### Where is Stag Beetle usually found?

Forests and gardens

### How does Stag Beetle hunt?

Foraging

## Where to spot

- [Naturpark Schönbuch](https://www.snappit.app/guides/places/naturpark-schonbuch) — Baden-Württemberg, DE · Park
- [Biosphärenreservat Karstlandschaft Südharz](https://www.snappit.app/guides/places/biospharenreservat-karstlandschaft-sudharz) — Sachsen-Anhalt, DE · Park
- [Naturpark Haßberge](https://www.snappit.app/guides/places/hassberge-nature-park) — Bayern, DE · Park
- [Naturpark Hohe Mark](https://www.snappit.app/guides/places/naturpark-hohe-mark) — Nordrhein-Westfalen, DE · Park
- [Naturpark Niederlausitzer Heidelandschaft](https://www.snappit.app/guides/places/niederlausitzer-heidelandschaft-nature-park) — Brandenburg, DE · Park
- [Naturpark Reinhardswald](https://www.snappit.app/guides/places/naturpark-reinhardswald) — Hessen, DE · Park

[View all places to see Stag Beetle](https://www.snappit.app/guides/where-to-see/stag-beetle)

## More Insects

- [Common Eastern Bumble Bee](https://www.snappit.app/explore/common-eastern-bumble-bee) (*Bombus impatiens*)
- [Spotted Lanternfly](https://www.snappit.app/explore/spotted-lanternfly) (*Lycorma delicatula*)
- [Brown-belted Bumble Bee](https://www.snappit.app/explore/brown-belted-bumble-bee) (*Bombus griseocollis*)
- [Eastern Carpenter Bee](https://www.snappit.app/explore/eastern-carpenter-bee) (*Xylocopa virginica*)

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Source: [Stag Beetle: Facts & Places to See — Snappit](https://www.snappit.app/explore/stag-beetle)
