Bug Identifier
Wheel Bug
Community identification

Wheel Bug

Arilus cristatus

Order & Family
Hemiptera / Reduviidae
Size
28 to 38 mm (1.1 to 1.5 inches) in length
See this bug in the Encyclopedia

Natural Habitat

Woodlands, orchards, gardens, and areas with trees or tall shrubs where they can hunt other insects.

Diet & Feeding

Carnivorous; feeds on a variety of soft-bodied insects including caterpillars, beetles, aphids, and flies by piercing them with its proboscis and injecting digestive enzymes.

Behavior Patterns

Solitary hunters that are generally slow-moving. Named for the distinct gear- or wheel-like crest on their thorax. They undergo incomplete metamorphosis (egg, nymph, adult).

Risks & Benefits

Benefit: Acts as a natural pest controller in gardens by consuming destructive agricultural pests. Risk: Can deliver a very painful defensive bite if handled or accidentally squeezed, though they are not aggressive toward humans.