
Community identification
Wheel Bug Nymph
Arilus cristatus
- Order & Family
- Hemiptera / Reduviidae
- Size
- 12 mm to 35 mm depending on the nymphal instar stage and final adult size.
Natural Habitat
Found in forests, woodlands, orchards, and gardens, usually on trees, shrubs, and broad-leafed plants.
Diet & Feeding
Carnivorous; feeds on a variety of soft-bodied insects including caterpillars, aphids, beetles, and leafhoppers by injecting digestive enzymes.
Behavior Patterns
Solitary hunters that stalk their prey slowly. Nymphs are bright red or orange with black spots and lack the characteristic wheel-like crest of the adult, which develops upon reaching maturity.
Risks & Benefits
Benefits gardens and agriculture by preying on many common pest insects. Risks include a painful defensive bite if handled improperly, though they are generally docile.