# Reddish-brown Stag Beetle (*Lucanus capreolus*)

The Reddish-brown Stag Beetle is a fascinating insect known for its large, antler-like jaws. These beetles are often found in forests and gardens, where they like to munch on rotting wood.

- **Category:** [Insects](https://www.snappit.app/explore/categories/insect)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 9
- **Habitat:** Forests

![Reddish-brown Stag Beetle](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Lucanus_capreolus_sjh.jpg&width=800)

Photo: No machine-readable author provided. Kugamazog~commonswiki assumed (based on copyright claims)., CC BY-SA 2.5 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Lucanus_capreolus_sjh.jpg)

## Appearance

The Reddish-brown Stag Beetle is a medium-sized beetle, featuring a deep reddish-brown, shiny body. Males possess prominent, slightly curved mandibles that resemble small antlers, while females have smaller, pincer-like jaws. Its smooth wing covers are a distinguishing feature.

## Taxonomy

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

## Interesting facts

- Finding a Reddish-brown Stag Beetle is a sign of a healthy forest with plenty of decaying wood.
- Male stag beetles use their big, antler-like jaws to wrestle and flip rivals over during fights.
- These beetles spend most of their life, up to three years, as hidden grubs underground!
- They are sometimes called 'pinching bugs' by kids because of their distinctive mandibles!

## Special abilities

- **Mighty Mandibles:** Reddish-brown Stag Beetle males can wrestle rivals with their strong, antler-like jaws to win mates, proving their strength.
- **Wood-Munching Grubs:** Reddish-brown Stag Beetle larvae have powerful jaws that help them chew through dead wood, recycling nutrients into the forest.
- **Night Flight Power:** Reddish-brown Stag Beetles can fly using their wings, often emerging at dusk to search for mates or food high in the trees.
- **Sap Sip Attack:** Reddish-brown Stag Beetles can feed on tree sap by scraping bark, getting vital energy for their short adult lives.

## Measurements & details

- **Size:** 20-40 mm
- **Lifespan:** 30-90 days
- **Leg Count:** 6

## Diet & Feeding

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

- **Age differences:** Larvae are detritivores, eating only decaying wood; adults are sap-feeders and eat rotting fruit.
- **Primary Foods:** decaying hardwood, tree sap, rotting fruit
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** [Raccoon](https://www.snappit.app/explore/raccoon) (*Procyon lotor*) — Raccoons may prey on adult beetles foraging on the ground.
- **Eaten by:** [Great Horned Owl](https://www.snappit.app/explore/great-horned-owl) (*Bubo virginianus*) — Owls can hunt adult beetles active at night.
- **Depends on:** [White Oak](https://www.snappit.app/explore/white-oak) (*Quercus alba*) — Beetle larvae depend on decaying wood from oak trees for food and shelter.
- **Depends on:** [Red Maple](https://www.snappit.app/explore/red-maple) (*Acer rubrum*) — Larvae also thrive in dead wood from maple trees, aiding in decomposition.

## Traits

- [Solitary](https://www.snappit.app/explore/traits/solitary): Solitary animals live alone for most of their lives, only interacting with others for mating or parental care.
- [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.
- [Decomposer](https://www.snappit.app/explore/traits/decomposer): Describes organisms that break down dead organic material, recycling nutrients back into the ecosystem.
- [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.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Be gentle and watch your fingers; they can pinch but are not harmful.

## Frequently Asked Questions

### How to identify Reddish-brown 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.

### How big is Reddish-brown Stag Beetle?

20-40 mm

### How long does Reddish-brown Stag Beetle live?

30-90 days

### What does Reddish-brown Stag Beetle eat?

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

### Where is Reddish-brown Stag Beetle usually found?

Forests

### How does Reddish-brown Stag Beetle hunt?

Foraging

### How many legs does Reddish-brown Stag Beetle have?

6

## Where to spot

- [Isaac Franklin Plantation](https://www.snappit.app/guides/places/isaac-franklin-plantation) — Tennessee, US · Historic Site
- [Missouri Botanical Garden](https://www.snappit.app/guides/places/missouri-botanical-garden) — Missouri, US · Botanical Garden
- [Shaw Nature Reserve](https://www.snappit.app/guides/places/shaw-nature-reserve) — Missouri, US · Botanical Garden
- [Squantum Point Park](https://www.snappit.app/guides/places/squantum-point-park) — Massachusetts, US · Nature Reserve
- [Verona Park](https://www.snappit.app/guides/places/verona-park) — New Jersey, US · Park
- [Buttonwoods Beach Historic District](https://www.snappit.app/guides/places/buttonwoods-beach-historic-district) — US · Historic District

[View all places to see Reddish-brown Stag Beetle](https://www.snappit.app/guides/where-to-see/reddish-brown-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: [Reddish-brown Stag Beetle: Facts & Places to See — Snappit](https://www.snappit.app/explore/reddish-brown-stag-beetle)
