North American Wheel Bug (Nymph)

Scientific Name: Arilus cristatus

Order & Family: Order Hemiptera, Family Reduviidae

Size: 5 mm (early larvae) to 38 mm (adults)

North American Wheel Bug (Nymph)

Natural Habitat

Found in gardens, meadows, orchards, and woodlands across North America

Diet & Feeding

Generalist predator that feeds on soft-bodied insects like caterpillars, beetles, and aphids

Behavior Patterns

A solitary hunter that uses its proboscis to inject lethal enzymes into prey; nymphs have a bright reddish-orange abdomen and lack the adult's dorsal crest

Risks & Benefits

Beneficial to gardens as natural pest control; however, they can deliver a very painful bite to humans if handled or provoked

Identified on: 6/29/2026