The Eastern Tailed-Blue is a tiny butterfly with distinctive small tails on its hindwings and orange spots near the tail base, resembling a miniature swallowtail. Males are bright blue above while females are largely gray-brown. It can produce up to three broods per year and is a familiar sight in clover-filled lawns and disturbed fields.
Best time to see a Eastern Tailed-Blue
The best time to see a Eastern Tailed-Blue is May–August, when about 66% of U.S. sightings happen, based on 55,429 research-grade iNaturalist observations.
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Recent Eastern Tailed-Blue sightings near you
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