• Local names

• Language	Vernacular name
  English	Mournful Duskywing
  Español	Saltarina de alas oscuras triste
  中文	哀珠弄蝶

• Synonyms and other combinations

• Latin name	Author
  Erynnis tristis	Boisduval, 1852
  Thanaos tristis	Boisduval, 1852
  Thanaos tatius	Edwards, 1883
  Thanaos albomarginatus	Godman, 1899

• Gesta (Erynnides) tristis is a member of the clade Erynnis juvenalis:

• Species	Author
  Erynnis (E.) mercurius	(Dyar, 1926)
  Gesta (Erynnides) horatius	(Scudder & Burgess, 1870)
  Gesta (Erynnides) juvenalis	(Fabricius, 1793)
  Gesta (Erynnides) meridianus	(Bell, 1927)
  Gesta (Erynnides) scudderi	(Skinner, 1914)
  Gesta (Erynnides) telemachus	(Burns, 1960)
  Gesta (Erynnides) tristis	(Boisduval, 1852)

• Links

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

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