♂, Chanthaburi, Thailand.		♀, Sa Kaeo, Thailand.
♀, Khammouan, Laos. (photo by H.Onodera)		♀, Sa Kaeo, Thailand.

♂, Ranong, Thailand.		♀, Nakhon Si Thammarat, Thailand.
♂, Ranong, Thailand.		♀, Ranong, Thailand.

ON : Flos ahamus Doherty, 1891 OD : J. asiat. Soc. Bengal, Part II. 60(1):33, pl.1, fig.6,♀. TL : Margherita, Upper Assam. (♀, NHML) Distribution : Assam to Myanmar, Thailand, Laos, Cambodia, Vietnam, Yunnan, Langkawi.

[ THAILAND ]
Arhopala apidanus ; Godfrey,1916 : 140. (Chonburi: Sriracha)
Amblypodia apidanus apidanus ; Godfrey,1930 : 338. ('Prae'; Chonburi: Sriracha; Bangkok)
Flos apidanus ahamus ; Evans,1957 : 132. (Siam)
Flos apidanus ahamus ; Pinratana,1981 : 104, pl.18, fig.10,♂(Un). (Nakhon Nayok; Bangkok; Nonthaburi)
Flos apidanus ahamus ; Ek-Amnuay,[2007] : 650, pl.296, figs.L289,♂,♀,♀(Un). ('Wang Chin'; Khao Yai)
Flos apidanus ahamus ; Les Day,2011-2022 : Samui Butterflies, fig.['♀'](Un). (Koh Samui) (accessed: 2023.04.26)
Flos apidanus ahamus ; Ek-Amnuay,2012 : 686, pl.313, figs.L313,♂,♀,♀(Un). ('Wang Chin'; Khao Yai)
Flos apidanus ahamus ; Kimura et al.,2014 : 86, figs.♂,♂(Un), ♀,♀(Un). (Bangkok; Wang Kheo; Kaeng Krachan; Hat Spin)
Flos apidanus ahamus ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs., Early Stages. (Phetchabun; Sa Kaeo; Nakhon Ratchasima; Saraburi; Yala) (accessed: 2023.04.11)
Flos apidanus ahamus ; Küppers & Janikorn,2020 : 186-187, figs.Abb.L-301-302. (Phang Nga)

[ LAOS ]
Flos apidanus ahamus ; Osada, Uémura & Uehara,1999 : 217, pl.120, figs.♀,♀(Un). (Lak Sao; Xaignabouri)
Flos apidanus ahamus ; Nakamura & Wakahara,2012 : 54, pl.19, figs.Ly-184,♂,♂(Un). (Bolikhamxai: near Namthone)
Flos apidanus ahamus ; Onodera,2022 : 88, pl.219, figs.♀,♀(Un). (Khammouan: Natung)

[ CAMBODIA ]
Flos apidanus saturata ; Monastyrskii et al.,2011 : 130. (Phnom Samkos W.S.)
Flos apidanus ahamus ; Chartier & Kosterin,2022 : 122. (Koh Kong; Pursat)

[ VIETNAM ]
Flos apidanus saturata ; Inoué & Kawazoé,1965 : 380-382, pl.17, figs.135,♂,136,♂(Un) ; pl.18, figs.137,♀,138,♀(Un). (Ho Chi Minh: Thu Duc; Song Be: Lai Thieu; Dong Nai: Trang Bom)
Flos apidanus saturata ; Monastyrskii & Devyatkin,2015 : 62. (by Inoué & Kawazoé,1965)

[ THAILAND ]
Sa Kaeo : 4♀ (photo by S.Sophonviwatkul).

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Chanthaburi : 1♂.

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Ranong : 2♂ 1♀.

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Surat Thani (Koh Phangan) : 1♀ (photo by A.Giudici).

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Nakhon Si Thammarat : 1♀.

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[ LAOS ]
Khammouan : 1♀ (photo by H.Onodera).

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Bolikhamxai : 1♀ (photo by H.Onodera).

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The butterfly is uncommon in montane forests at low elevations (Alt. 30 - 350m).
Some specimens from P.Thailand appear to be very close to ssp.saturata, with the blue area on the females being more purple and more extensive. However, the range of colour variation within these populations is wide and unstable. Further taxonomic and distibutional studies are needed, including the relationship to ssp.saturata.

Doherty, W.,1891 : New and rare Indian Lycaenidae.
J. asiat. Soc. Bengal, Part II. 60(1):32-37, pl.1.

♀, Sa Kaeo, Thailand. (photo by S.Sophonviwatkul)
♀, Surat Thani, Thailand. (photo by A.Giudici)

1999.07.18 - 2024.06.30.