- BND: Ridings' Satyr; Neominois ridingsii (W. H. Edwards, 1865)
- BNA: Ridings' Satyr; Neominois ridingsii
- NDC: NERI
- Habitat: Dry bunchgrass ridges; not seen in ND since mid-1970s
- Larval food: Bouteloua gracilis
- Adult flight: One brood, mid-June
- References: Royer 170, Ferris & Brown 282, Scott 247
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