Wheel Bug

Scientific Name: Arilus cristatus

Order & Family: Order Hemiptera, Family Reduviidae

Size: 1 to 1.5 inches (25 to 38 mm) in length.

Wheel Bug

Natural Habitat

Found in gardens, orchards, and woodland edges throughout North America.

Diet & Feeding

Strictly predatory insectivore. It eats caterpillars, beetles, sawflies, and other pest insects using a piercing-sucking beak.

Behavior Patterns

Slow-moving and diurnal. Known for the characteristic cogs or 'wheel' on its prothorax. They undergo simple metamorphosis and are solitary hunters.

Risks & Benefits

Highly beneficial to gardens as they control pest populations. However, they can deliver an extremely painful bite if handled or provoked, though they are not medically significant to humans.

Identified on: 3/16/2026