Ailanthus webworm

Atteva aurea

The ailanthus webworm is an ermine moth now found commonly in the United States. It was formerly known under the scientific name ''Atteva punctella'' . This small, very colorful moth resembles a true bug or beetle when not in flight, but in flight it resembles a wasp.
Ailanthus Webworm Moth - Atteva aurea Habitat: Attracted to a moth light in a rural area Ailanthus webworm,Atteva,Atteva aurea,Geotagged,Summer,United States,moth


Larvae produce nests on the host plant by pulling two or more leaflets around a network of loose webbing. Then they consume the leaflets and bark. The caterpillars have a wide, light greenish-brown stripe down their backs and several thin, alternating white and olive-green stripes along their sides. The range of colors is from light brown to dark black. The adult moth visits flowers, is diurnal, and is a pollinator. The life cycle from egg to egg can happen in 4 weeks. Due to this being a species from warmer areas, it lacks a diapause stage. Larvae can be found from mid-spring to a hard freeze. There may be many generations each summer, with eggs being laid on the webs of other larvae. This can result in a communal web, having multiple generations from egg to various larva instars to pupa. Mating happens in the mornings, with egg-laying apparently happening in the evening. Eggs are found individually, not in clusters, even though each web may contain many separate eggs.


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SpeciesA. aurea