• Local names

• Language	Vernacular name
  English (US)	Buckthorn Duskywing
  English (US)	Dyar's Duskywing
  English (US)	Pacuvius Duskywing
  Français	Hespérie de Pacuvius

• Synonyms and other combinations

• Latin name	Author
  Erynnis pacuvius	Lintner, 1878
  Nisoniades pacuvius	Lintner, 1878
  Thanaos callidus	Grinnell, 1904
  Thanaos lilius	Dyar, 1904
  Thanaos pernigra	Grinnell, 1905

• Gesta (Erynnides) pacuvius is a member of the clade Erynnis martialis:

• Species	Author
  Gesta (Erynnides) funeralis	(Scudder & Burgess, 1870)
  Gesta (Erynnides) martialis	(Scudder, 1870)
  Gesta (Erynnides) pacuvius	(Lintner, 1878)
  Gesta (Erynnides) zarucco	(Lucas, 1857)

• Links

• Language	Website	Authors
  	Butterflies and Moths of North America
  	Butterflies of America	A.Warren, K.Davis, M.Stangeland
  	Butterflies of Canada
  	Lepiforum e. V.
  	North American Moth Photographers Group

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