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prop. n.1.(Zool.) A genus of bombycid moths whose caterpillars (esp. those of Orgyia leucostigma) are often very injurious to fruit trees and shade trees. The female is wingless. Called also vaporer moth.
References in periodicals archive ?
Lepidoptera: Lymantriidae), Orgyia leucostigma (Smith) (Lepidoptera: Lymantriidae), and Malacosoma disstria Hubner (Lepidoptera: Lasiocampidae) larvae, likely due to the phagodeterrent action of these compounds.
Predation on larvae of Douglas-fir tussock moth, Orgyia pseudotsugata (Lepidoptera: Lymantriidae), by Metaphidippus aeneolus (Araneae: Saliticidae).
The large white cabbage butterfly (Pieris brassicae) or the small white butterfly (Pieris rapae The Vapourer Moth Orgyia antiqua, whose caterpillars eat leaves of dahlias, don't mind other 'snacks' either.