♂, Ranong, Thailand.		♀, Yala, Thailand.
♂, Yala, Thailand.		♀, Yala, Thailand.
♂ genitalia, Yala, Thailand.

ON : Isoteinon iapis Nicéville, 1890 OD : J. Bombay nat. Hist. Soc. 5(3): 213, pl.E, fig.9,♂. TL : Johore, Malay Peninsula. (NZC) Distribution : Myanmar, P.Thailand (South from Ranong), Langkawi, W.Malaysia, Tioman, Borneo, Sumatra, Batoe, Siberut.

♂ Type, Johor straits. (NZC) ; Sheela et al.,2019 : 33, figs.♂,♂(Un).

[ THAILAND ]
Isma protoclea iapis ; Evans,1949 : 306. (Siam)
Isma protoclea iapis ; Pinratana,1985 : 74, pl.25, figs.156,♂,♂(Un). (Ranong; Trang; Yala)
Isma iapis iapis ; Ek-Amnuay,[2007] : 796, pl.365, figs.H183,♂,♂(Un). (Ranong; Yala)
Isma iapis iapis ; Les Day,2011-2022 : Samui Butterflies, figs.[♂],[♂](Un). (Koh Samui) (accessed: 2022.02.11)
Isma iapis iapis ; Kimura et al.,2011 : 75, figs.♂,♂(Un),♀,♀(Un). (Kam Puan; Khlong Naka; Ka Chong; Thaleban; Than To WF.)
Isma iapis iapis ; Ek-Amnuay,2012 : 853, pl.393, figs.H180,♂,♂(Un). (Khlong Naka)
Isma miosticta ; Küppers & Janikorn,2017 : 106-107, figs.Abb.H-187-188. (Phang Nga)
Isma iapis iapis ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, fig. (Yala) (accessed: 2023.08.04)

[ THAILAND ]
Ranong : 12♂ 3♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Trang : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Yala : 10♂ 3♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

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Sep

Oct

Nov

Dec

The butterfly is locally common in montane forests at low elevations (Alt. 30 - 450m).

Nicéville, L. de,1890 : On new and little-known butterflies from the Indian region, with description of three New genera of Hesperidae.
J. Bombay nat. Hist. Soc. 5(3): 199-225, pls.D,E.

Maruyama, K.,1991 : In: Otsuka (ed.), Butterflies of Borneo vol.2, No.2. Hesperiidae, Addndum of vol.1.
XII + 89 pp (Japanese text), 48 pls, XII + 83 pp (English text) + 1.
Tobishima corporation. Tokyo, Japan.

♂, Yala, Thailand.

1999.09.11 - 2024.06.30.