• Lethe (L.) langyii is a member of the clade Lethe manzorum:

• Species	Author
  Lethe (L.) giancbozanoi	Lang & Monastyrskii, 2016
  Lethe (L.) langyii	Lang, 2019
  Lethe (L.) manzorum	(Poujade, 1884)
  Lethe (L.) monilifera	Oberthür, 1923
  Lethe (L.) sisii	Lang & Monastyrskii, 2016

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