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Northern Prairie Wildlife Research Center

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Atlas of North Dakota Butterflies

Reakirt's Blue (Hemiargus isola)

  • BND: Reakirt's Blue; Hemiargus isola (Reakirt, [1867])
  • BNA: Reakirt's Blue; Hemiargus isola
  • Habitat: An occasional stray from the south; occurs in open areas in late summer
  • Larval food: Legumes, incl. Prosopis, Albizzia, Dalea, Indigofera, Melilotus
  • Adult flight: Three broods southward; rarely appears in ND during middle to late summer
  • References: Royer 101, Opler & Krizek 114, Scott 413
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