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Northern Prairie Wildlife Research Center

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Atlas of North Dakota Butterflies

Sleepy Dusky Wing (Erynnis brizo)

  • BND: Sleepy Dusky Wing; Erynnis brizo (Boisduval & LeConte, [1837])
  • BNA: Sleepy Duskywing; Erynnis brizo
  • Habitat: Oak woodlands
  • Larval food: Quercus macrocarpa
  • Adult flight: May
  • References: Royer 17, Layberry et al. 36, Opler & Krizek 209, Scott 488
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