# Red Milkweed Beetle (*Tetraopes tetrophthalmus*)

The Red Milkweed Beetle is a bright red bug that loves to munch on milkweed plants. Its shiny color helps it stand out in nature, and it plays an important role in the ecosystem.

- **Category:** [Insects](https://www.snappit.app/explore/categories/insect)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 75
- **Habitat:** Grasslands

![Red Milkweed Beetle](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Red_Milkweed_Beetle_%2828816270865%29.jpg&width=800)

Photo: Katja Schulz from Washington, D. C., USA, CC BY 2.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Red_Milkweed_Beetle_%2828816270865%29.jpg)

## Appearance

The Red Milkweed Beetle has a striking bright orange or red body with contrasting black spots on its wing covers and underside. Its most distinctive feature is its long, black antennae, which are often as long as its body. This vibrant coloration makes it visually distinct from other beetles.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Coleoptera
- **Family:** Cerambycidae
- **Genus:** Tetraopes

## Interesting facts

- Baby milkweed beetles live underground for months, munching on roots!
- If scared, a Red Milkweed Beetle might drop to the ground and play dead!
- These beetles have special claws to grip milkweed plants, even on windy days!
- They are part of the 'longhorn' beetle family, named for their super-long antennae!

## Special abilities

- **Toxic Taste Defense:** Red Milkweed Beetle can eat poisonous milkweed, absorbing the toxins to make themselves taste bad to predators.
- **Bright Warning:** Red Milkweed Beetle has vivid red and black markings that signal to predators, 'Don't eat me, I'm yucky!'
- **Root Muncher:** Red Milkweed Beetle larvae have strong mandibles that help them chew and feed on milkweed roots underground.

## Measurements & details

- **Wingspan:** 15-30 mm
- **Size:** 8-15 mm
- **Lifespan:** 14-28 days
- **Leg Count:** 6

## Diet & Feeding

This beetle munches exclusively on milkweed plants, from leaves to roots!

- **Age differences:** Larvae feed on milkweed roots underground, while adult beetles consume the leaves, stems, and sometimes pollen.
- **Primary Foods:** Asclepias syriaca, Asclepias incarnata, Asclepias tuberosa
- **Foraging Method:** Foraging

## Ecological connections

- **Eats:** [Common Milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*) — larvae eat roots, adults feed on leaves and stems.
- **Eats:** [Butterfly Milkweed](https://www.snappit.app/explore/butterfly-milkweed) (*Asclepias tuberosa*) — a primary food source for adult beetles.
- **Hunts:** Spined Soldier Bug (*Podisus maculiventris*) — nymphs and adults can prey on Red Milkweed Beetle larvae.

## 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.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.
- [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)

## Safety

**Danger:** 1/5 · Very low

It's best to watch these beetles from a distance and not touch them.

## Frequently Asked Questions

### How to identify Red Milkweed 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 Red Milkweed Beetle's wingspan?

15-30 mm

### How big is Red Milkweed Beetle?

8-15 mm

### How long does Red Milkweed Beetle live?

14-28 days

### What does Red Milkweed Beetle eat?

This beetle munches exclusively on milkweed plants, from leaves to roots!

### Where is Red Milkweed Beetle usually found?

Grasslands

### How does Red Milkweed Beetle hunt?

Foraging

### How many legs does Red Milkweed Beetle have?

6

## Where to spot

- [Ambler Heights Historic District](https://www.snappit.app/guides/places/ambler-heights-historic-district) — Ohio, US · Historic District
- [Anderson Japanese Gardens](https://www.snappit.app/guides/places/anderson-japanese-gardens) — Illinois, US · Botanical Garden
- [Arnold Arboretum](https://www.snappit.app/guides/places/arnold-arboretum) — Massachusetts, US · Botanical Garden
- [Battle Creek Cypress Swamp Sanctuary](https://www.snappit.app/guides/places/battle-creek-cypress-swamp-sanctuary) — Maryland, US · Nature Reserve
- [Boerner Botanical Gardens](https://www.snappit.app/guides/places/boerner-botanical-gardens) — Wisconsin, US · Botanical Garden
- [Brattleboro Downtown Historic District](https://www.snappit.app/guides/places/brattleboro-downtown-historic-district) — Vermont, US · Historic District

[View all places to see Red Milkweed Beetle](https://www.snappit.app/guides/where-to-see/red-milkweed-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: [Red Milkweed Beetle: Facts & Places to See — Snappit](https://www.snappit.app/explore/red-milkweed-beetle)
