- BND: Silvery Checkerspot; Charidryas nycteis (Doubleday, [1847])
- BNA: Silvery Checkerspot; Chlosyne nycteis
- NDC: CHNY
- Habitat: Humid wooded areas, woodland roadsides, riverbottom clearings, margins of woodland meadows; northern and eastern ND only
- Larval food: Asteraceae, incl. Helianthus, Aster, Rudbeckia (larvae overwinter in the 3rd stage)
- Adult flight: One brood, June into July
- References: Royer 131, Opler & Krizek 142, Scott 304
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