♂, 2015.04.24. Ba Na, Da Nang, Vietnam. Holotype (photo by K.Saito)		♀, Da Nang, Vietnam. (photo by K.Saito)
♂, Kon Tum, Vietnam. (photo by K.Saito)		♀, Kon Tum, Vietnam. (photo by K.Saito)
♂, Gia Lai, Vietnam. (photo by K.Saito)		♂, Nghe An, Vietnam. (photo by K.Saito)

ON : Chrysozephyrus miyagawai Saito & Hasegawa, 2016 OD : Butterflies 72:47-48, figs.2(HT,♂), 3(HT,♂Un), 4(compound eye), 5(♂,genitalia). TL : Mt. Ba Na, Da Nang, C.Vietnam. (♂, RIEB) Distribution : C.Vietnam.

Chrysozephyrus ngoclinhensis Yoshino, 2023 : Neo Lepidoptera 5(2):1-3, figs.1a(HT,♂),1b(HT,♂Un),1c(HT,eye),1d-e(HT,♂ genitalia). TL. Ngoc Linh, Kontum, C.Vietnam. (♂, in coll. K.Yoshino)

miyagawai ;
Holotype ♂, 24.Apr.2015. Mt. Ba Na, Da Nang, alt.1460m, C.Vietnam. T.Miyagawa leg. (RIEB)
Paratypes : 4♂ same locality as holotype.
ngoclinhensis ;
Holotype ♂, May.2022. Mt. Ngoc Linh, Kontum, C.Vietnam. (in coll. K.Yoshino, it will be preserved in KMNH)

[ VIETNAM ]
Nghe An : 1♂.

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Gia Lai : 1♂.

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Kon Tum : 2♂ 1♀.

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Da Nang : 5♂ 1♀ (incl. Type series).

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Yoshino (2023) described Chrysozephyrus ngoclinhensis from Kon Tum, C.Vietnam as a new species. However, according to K.Saito, it is the same species as miyagawai, based on the examination of the male genitalia (pers. comm.). The population from Ba Na, Da Nang is very variable. The black marginal band on the upper side tends to be broader and the postdiscal bands on the underside also tend to be broader, but some specimens are almost the same as those from Kon Tum and other localities. We have therefore treated it as a synonym of miyagawai.

Saito, K. & Hasegawa, T.,2016 : Description of a new species of the subtribe Theclina (Lepidoptera: Lycaenidae) from Central Vietnam
Butterflies 72:46-48.

Yoshino, K.,2023 : Description of a new species of the genus Chrysozephyrus from central Vietnam (Lycaenidae, Lepidoptera)
Neo Lepidoptera 5(2):1-5.

2022.04.30 - 2023.10.31.