The Spotted Tussock Moth is a handsome yellow moth with a pattern of large, irregular brown spots forming bands across its wings. Its caterpillar is a tussock type bearing bundles of yellow and black hair. It is common in northern forests where willow and alder grow, and adults are frequently at lights in late spring.
Best time to see a Spotted Tussock Moth
The best time to see a Spotted Tussock Moth is July–September, when about 66% of U.S. sightings happen, based on 14,486 research-grade iNaturalist observations.
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