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Atlas of North Dakota Butterflies

Question Mark (Polygonia interrogationis)

  • BND: Question Mark; Polygonia interrogationis (Fabricius, 1798)
  • BNA: Question Mark; Polygonia interrogationis
  • NDC: POIN
  • Habitat: Woodland habitats; especially fond of running sap, rotting fruit, dung, or carrion; rare in North Dakota outside southeastern counties
  • Larval food: Widely varied, incl. Urtica, Ulmus, Celtis, etc.
  • Adult flight: Overwinters as adult which appears April-May to produce dark-winged summer form by late June. These in turn produce a second, light-winged, overwintering brood in August.
  • References: Royer 138, Opler & Krizek 150, Scott 284
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