# North American Wheel Bug (*Arilus cristatus*)

The North American Wheel Bug is a cool insect with a big, spiky wheel on its back! It is a predator that helps keep gardens safe by eating pests.

- **Category:** [Insects](https://www.snappit.app/explore/categories/insect)
- **Rarity:** Common
- **Danger:** 2/5 · Low
- **Snaps:** 51
- **Habitat:** Urban areas, gardens, and forests

![North American Wheel Bug](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Arilus_cristatus_Kaldari_02.jpg&width=800)

Photo: Ryan Kaldari, Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Arilus_cristatus_Kaldari_02.jpg)

## Appearance

The North American Wheel Bug is a large, sturdy assassin bug, typically gray or brownish-gray, distinguished by a prominent, cog-like crest on its thorax. Its robust body and long legs give it a somewhat spiky appearance, setting it apart from other common insects.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Arthropoda
- **Class:** Insecta
- **Order:** Hemiptera
- **Family:** Reduviidae
- **Genus:** Arilus

## Interesting facts

- Their bite is surprisingly painful to humans, worse than a bee sting!
- Their eggs are shaped like tiny brown bottles, laid in hexagonal clusters!
- These bugs will sometimes eat other wheel bugs if food becomes very scarce.
- Wheel bugs are silent hunters, often waiting patiently for prey to wander close.

## Special abilities

- **Paralyzing Punch:** North American Wheel Bug can inject venom with its needle-like rostrum that quickly paralyzes prey, allowing it to easily overpower larger insects.
- **Stealth Suit:** North American Wheel Bug has a dull gray or brownish body that helps them blend perfectly with tree bark and foliage, making them nearly invisible.
- **Grappling Grabbers:** North American Wheel Bug has powerful, spiky front legs that help them securely snatch and hold onto struggling insect prey, preventing escape.

## Measurements & details

- **Wingspan:** 40-50 mm
- **Size:** 25-38 mm
- **Lifespan:** 60-120 days
- **Leg Count:** 6

## Diet & Feeding

These stealthy hunters use their sharp beak to paralyze and devour a variety of garden pests.

- **Age differences:** Young nymphs prey on smaller, softer-bodied insects as they grow.
- **Primary Foods:** caterpillars, leaf beetles, stink bugs, flies, grasshoppers
- **Foraging Method:** Ambush

## Ecological connections

- **Hunts:** [Colorado potato beetle](https://www.snappit.app/explore/colorado-potato-beetle) (*Leptinotarsa decemlineata*) — A major agricultural pest it helps control.
- **Hunts:** Tobacco hornworm (*Manduca sexta*) — Feeds on these large, plant-damaging caterpillars.
- **Hunts:** [Japanese beetle](https://www.snappit.app/explore/japanese-beetle) (*Popillia japonica*) — Preys on this invasive and destructive garden pest.
- **Hunts:** [Brown marmorated stink bug](https://www.snappit.app/explore/brown-marmorated-stink-bug) (*Halyomorpha halys*) — An invasive species often targeted by wheel bugs.

## 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.
- [Insectivorous](https://www.snappit.app/explore/traits/insectivorous): This trait identifies organisms whose diet primarily consists of insects and other small invertebrates.
- [Ambush Predator](https://www.snappit.app/explore/traits/ambush-predator): An ambush predator hunts by patiently waiting and concealing itself, then launching a sudden attack when unsuspecting prey comes within range.
- [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.
- [Spiky/Thorny](https://www.snappit.app/explore/traits/spiky-thorny): Possessing sharp, pointed projections or spines on the body or surface.
- [Carnivorous](https://www.snappit.app/explore/traits/carnivorous): This trait identifies organisms whose diet consists entirely or primarily of animal tissue.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [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.

## Collections

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

## Safety

**Danger:** 2/5 · Low

Look but don't touch! Wheel Bugs can bite if they feel threatened.

## Frequently Asked Questions

### How to identify North American Wheel Bug?

Look for six legs, antennae, three body sections and the shape of the wings. Beetles have hardened front wings; flies have just one working pair. Tiny insects may need a close view before their group is clear. Insect Identifier: upload a photo and compare the visible details.

### What is North American Wheel Bug's wingspan?

40-50 mm

### How big is North American Wheel Bug?

25-38 mm

### How long does North American Wheel Bug live?

60-120 days

### What does North American Wheel Bug eat?

These stealthy hunters use their sharp beak to paralyze and devour a variety of garden pests.

### Where is North American Wheel Bug usually found?

Urban areas, gardens, and forests

### How does North American Wheel Bug hunt?

Ambush

### How many legs does North American Wheel Bug have?

6

## Where to spot

- [Advance Mills](https://www.snappit.app/guides/places/advance-mills) — Virginia, US · Neighborhood
- [Albemarle and Chesapeake Canal](https://www.snappit.app/guides/places/albemarle-and-chesapeake-canal) — Virginia, US · Historic Site
- [Anderson University](https://www.snappit.app/guides/places/anderson-university) — South Carolina, US · Campus
- [Battle Creek Cypress Swamp Sanctuary](https://www.snappit.app/guides/places/battle-creek-cypress-swamp-sanctuary) — Maryland, US · Nature Reserve
- [Chantilly Park](https://www.snappit.app/guides/places/chantilly-park) — Virginia, US · Park
- [Commerce Street Residential Historic District](https://www.snappit.app/guides/places/commerce-street-residential-historic-district) — Alabama, US · Historic District

[View all places to see North American Wheel Bug](https://www.snappit.app/guides/where-to-see/north-american-wheel-bug)

## 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: [North American Wheel Bug: Facts & Places to See — Snappit](https://www.snappit.app/explore/north-american-wheel-bug)
