• Synonyms and other combinations

• Latin name	Author
  Lycaena pseudaegon	Butler, 1882
  Plebejus argus pseudaegon	Butler, 1882

• Subspecies

• Species	Author
  Plebejus (Lycaeides) pseudaegon insularis	(Leech, [1893])
  Plebejus (Lycaeides) pseudaegon pseudaegon	(Butler, [1882])
  Plebejus (Lycaeides) pseudaegon ussuricus	Forster, 1936

• Plebejus (Lycaeides) pseudaegon is a member of the clade Plebejus idas:

• Species	Author
  Plebejus anikini	Yakovlev, 2012
  Plebejus germani	Yakovlev, 2012
  Plebejus (Lycaeides) agnata	(Staudinger, [1889])
  Plebejus (Lycaeides) anna	(W.H. Edwards, 1861)
  Plebejus (Lycaeides) argiva	(Staudinger, 1886)
  Plebejus (Lycaeides) argyrognomon	(Bergsträsser, [1779])
  Plebejus (Lycaeides) caspica	(Forster, 1936)
  Plebejus (Lycaeides) christophi	(Staudinger, 1874)
  Plebejus (Lycaeides) cleobis	(Bremer, 1861)
  Plebejus (Lycaeides) fridayi	Chermock, 1945
  Plebejus (Lycaeides) ganssuensis	(Grum-Grshimailo, 1891)
  Plebejus (Lycaeides) iburiensis	(Butler, [1882])
  Plebejus (Lycaeides) idas	(Linnaeus, 1761)
  Plebejus (Lycaeides) lepidus	Zhdanko, 2000
  Plebejus (Lycaeides) maracandica	(Erschoff, 1874)
  Plebejus (Lycaeides) melissa	W.H. Edwards, 1873
  Plebejus (Lycaeides) mongolicus	(Rühl, 1893)
  Plebejus (Lycaeides) nushibi	Zhdanko, 2000
  Plebejus (Lycaeides) pseudaegon	(Butler, [1882])
  Plebejus (Lycaeides) rogneda	(Grum-Grshimailo, 1890)
  Plebejus (Lycaeides) roxane	(Grum-Grshimailo, 1887)
  Plebejus (Lycaeides) samudra	(Moore, 1874)
  Plebejus (Lycaeides) subsolanus	(Eversmann, 1851)
  Plebejus (Lycaeides) uiguricus	Zhdanko, 2000
  Plebejus (Lycaeides) villai	(Jutzeler, Leigheb, Manil, Villa & Volpe, 2003)
  Plebejus (P.) bellieri	(Oberthür, 1910)

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