♂, Mae Hong Son, Thailand.		♀, Tak, Thailand.
♂, Surat Thani, Thailand.		♀, Surat Thani, Thailand.
♂, Chiang Mai, Thailand.		♂, Nan, Thailand.

ON : Thecla duma Hewitson, [1878] OD : Ill. diurn. Lep. Lycaenidae 1:211, 2:pl.84, fig.713(Un). TL : 'Bogota' Distribution : Myanmar, Thailand, Laos, Cambodia, Vietnam, W.Malaysia, {Singapore}, Borneo, Sumatra, Java.

Rapala abnormis Elwes, [1893] : Proc. zool. Soc. Lond. 1892(4):642, pl.44, fig.2,♂. TL. Karen Hills, Burma.
Rapala abnormis abusina Fruhstorfer, 1912 : Berl. ent. Z. 56(3/4):255-256. TL. W.Java.

[ THAILAND ]
Rapala abnormis ; Godfrey,1930 : 349. (Surat Thani: Kao Poata)
Rapala abnormis abnormis ; Pinratana,1981 : 148, pl.32, figs.18,♂,19,♂(Un). (Chiang Mai)
Rapala duma duma ; Ek-Amnuay,[2007] : 710, pl.324, figs.L408,♂,♂(Un),♀[♂],♀[♂](Un). (Chiang Mai)
Rapala duma duma ; Ek-Amnuay,2012 : 756, pl.347, figs.L430,♂,♂(Un),♀[♂],♀[♂](Un). (Chiang Mai)
Rapala duma duma ; Kimura et al.,2014 : 136, figs.♂,♂(Un),♂,♂(Un). (Doi Pha Hom Pok; Doi Suthep; Kao Pho Ta)
Rapala duma duma ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Yala) (accessed: 2023.10.22)

[ LAOS ]
Rapala duma duma ; Osada, Uémura & Uehara,1999 : 219. pl.128, figs.♂,♀(Un). (Xam Neua)
Rapala duma duma ; Nakamura & Wakahara,2012 : 56.
Rapala duma duma ; Onodera,2022 : 99, pl.233, figs.♂,♂(Un). (Luang Phabang: Phou Yang)

[ CAMBODIA ]
Rapala duma duma ; Chartier & Kosterin,2022 : 124. (Pursat)

[ VIETNAM ]
Rapala duma duma ; Miyazaki, Saito & Saito,[2007] : 68, figs.L-137,♂,♀. (Lam Dong: Dambri; Dai Duc Me)
Rapala duma duma ; Monastyrskii & Devyatkin,2015 : 69. (C: by literature)

[ THAILAND ]
Mae Hong Son : 2♂.

Jan

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Sep

Oct

Nov

Dec

Chiang Mai : 10♂ (incl. photo).

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Oct

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Dec

Nan : 1♂.

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Tak : 1♀.

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Oct

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Dec

Surat Thani : 3♂ 1♀.

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Nakhon Si Thammarat : 3♂ (photo).

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Yala : 5♂ (photo by S.Atdhabhan).

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The butterfly is locally common in montane forests at moderate elevations (Alt. 700 - 1300m) and is frequently found at hilltops. Males are territorial on trees, or on the ground in open spaces from 10:00 to 11:30 and occasionally again from 15:00 to 16:00.

Hewitson, W.C.,1863-1878 : Illustrations of diurnal Lepidoptera, Lycaenidae.
London, van Vorst. x+229pp. and 14a-14h, Suppl. 1-47; pls. (108, numbered;)
1-85, 88-92, 3a,3b,3c, Suppl.I-VII, Ia, Ib, IIIa, IIIb, IVa, Va, Vb. In 8 parts.

Elwes, H.J.,[1893] : On butterflies collected by Mr. W.Doherty in the Naga and Karen Hills and Perak, Part.2.
Proc. zool. Soc. Lond. 1892(4):617-664, pls.43,44.

Fruhstorfer, H.,[1912] : Uebersicht der Lycaeniden des Indo-Australischen Gebiets. Begrundet auf die Ausbeute und die Sammlung des Autors.
Berl. ent. Z. 56(3/4):197-272, 4 figs.

♂ (territorial behavior), Chiang Mai, Thailand.	♂ (territorial behavior), Chiang Mai, Thailand.
♂ (territorial behavior), Chiang Mai, Thailand.	♂ (territorial behavior), Chiang Mai, Thailand.
♂ (territorial behavior), Nakhon Si Thammarat, Thailand.
♂ (territorial behavior), Yala, Thailand. (photo by S.Atdhabhan)	♂, Yala, Thailand. (photo by S.Atdhabhan)

1999.07.21 - 2023.10.31.