Edith's Checkerspot is a small, vividly checkered butterfly of the western United States with a mosaic of red, orange, yellow, and black patches. It is one of the most studied butterflies in ecology and evolutionary biology, famous for research on population dynamics and range shifts in response to climate change. Different subspecies specialize on different host plants across its range.
Best time to see a Edith's Checkerspot
The best time to see a Edith's Checkerspot is May–July, when about 72% of U.S. sightings happen, based on 3,587 research-grade iNaturalist observations.
Not certain it is a Edith's Checkerspot? What bug is this? walks through what to check first and the lookalikes that catch people out.
Recent Edith's Checkerspot sightings near you
Live, research-grade observations from iNaturalist. Allow location to center the map on you.
Spotted an Edith's Checkerspot?
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