
Community identification
Ailanthus webworm moth
Atteva aurea
- Order & Family
- Lepidoptera; Attevidae
- Size
- Wingspan typically 16–20 mm (0.6–0.8 in).
Natural Habitat
Gardens, urban areas, woodlands, and other places where tree-of-heaven or related plants grow, especially across the southern United States and Central America.
Diet & Feeding
Caterpillars feed on leaves and shoots of mostly Simaroubaceae plants, including tree-of-heaven; adults drink flower nectar.
Behavior Patterns
Adults are primarily nocturnal and rest with wings folded roof-like, exposing orange-red and black markings. Several generations may occur annually in warm climates.
Risks & Benefits
Harmless to people and not medically significant. Larvae can damage host plants, while adults serve as minor pollinators and prey for other animals.