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Observation notes: Flying about with others, appeared to feed on Jim Hill Mustard blossoms. Warm day 65º-ish, slight breeze and sunny
Verified by: Ken Davenport
Verified date: June 02, 2021
Coordinator notes: There are problems here with subspecies sterope, whether it is a palla or an acastus. In either case, I do not know which entity you have, Andrew Warren's book on Oregon discusses these issues in detail. But looking at your photo, this seems to be a Northern Checkerspot photo, allowing for how these issues were resolved and where your checkerspot came from.-Ken Davenport