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Atlas of North Dakota Butterflies

Zephyr (Polygonia zephyrus)


  • BND: Zephyr; Polygonia zephyrus (W. H. Edwards, 1870)
  • BNA: Hoary Comma; Polygonia gracilis (incl. zephyrus)
  • NDC: POZE
  • Habitat: Mountain forests, especially near water; occurs in Riding Mountains, Manitoba, but all known ND records have been traced to misidentification of P. progne from Billings, Slope, and Bowman Counties. ND occurrence is therfore subject to question pending clear confirmation
  • Larval food: Ribes spp. primarily; Ericaceae also in literature
  • Adult flight: Univoltine, flying in July
  • References: Royer 142, Ferris & Brown 340, Layberry et al. 200 (as P. gracilis ssp.), Scott 286 (as P. gracilis ssp.)
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