Familia: Lycaenidae
Subfamilia: Polyommatinae
Tribus: Polyommatini
Genus: Plebejus
Subgenus: Lycaeides
Species: Plebejus pseudaegon
Subspecies: (3)
P. p. insularis – P. p. pseudaegon – P. p. ussuricus

Name

Plebejus pseudaegon (Butler, [1882]).

Type locality: Japan, Hokkaido, Iburi.

Holotype: BMNH (tbc.)

References

• Butler, A. G., [1882]. On butterflies from Japan. Proc. zool. Soc. Lond. 1881(4): 846–855. BHL. Reference page. 
• Korshunov, Y. & Gorbunov, O., 1995: Butterflies of the Asian part of Russia. Ekaterinburg State Yniversity Press, Ekaterinburg: 1–202. [In Russian] Reference page. 
• Talavera, G., Lukhtanov, V.A., Pierce, N.E. & Vila, R., 2013. Establishing criteria for higher-level classification using molecular data: the systematics of Polyommatus blue butterflies (Lepidoptera, Lycaenidae). Cladistics 29(2): 166–192. Reference page. 
• Zhdanko, A.B. in Tuzov, V.K. (ed.), 2000. Guide to the Butterflies of Russia and adjacent territories; Volume 2; Libytheidae, Danaidae, Nymphalidae, Riodinidae, Lycaenidae. Pensoft, Sofia. Reference page.