Harris's Checkerspot (Chlosyne harrisii) is a northeastern butterfly of bogs, wetlands, and wet meadows. It occurs in Maryland only in Garrett and Allegany Counties, although its host plant may be found somewhat more widely. This butterfly is considered threatened and state rare (S2) in Maryland. It flies from late May through about mid-June, and is univoltine (Butterflies of Maryland: A Biological Summary and Checklist by Lynn Davidson & Richard Smith).
Harris's Checkerspot uses Parasol Whitetop (also called Flat-topped White Aster) (Doellingeria umbellata) as a larval host.
There are 38 records in the project database.
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