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Northern Prairie Wildlife Research Center

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Atlas of North Dakota Butterflies

Mourning Cloak (Nymphalis antiopa)

  • BND: Mourning Cloak; Nymphalis antiopa (Linnaeus, 1758)
  • BNA: Mourning Cloak; Nymphalis antiopa
  • Habitat: Riparian forests; adults drink Quercus sap and fermenting fruit juices, and occasionally the nectar of such flowers as Asclepias, Apocynum, etc.
  • Larval food: Salix spp. primarily, but also Populus, Betula, Ulmus
  • Adult flight: Overwinters as adult, appearing April-May to produce a single annual brood by early July. Partially southward migratory; adults live nearly a year
  • References: Royer 146, Opler & Krizek 156, Scott 291
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