Stichophthalma louisa siamensis  Rothschild,1916

Stichophthalma louisa siamensis ♂ Up. Stichophthalma louisa siamensis ♂ Un. Stichophthalma louisa siamensis ♀ Up. Stichophthalma louisa siamensis ♀ Un.
♂, Chiang Mai, Thailand. (photo by K.Saito) ♀, Lampang, Thailand. (photo by K.Saito)
Stichophthalma louisa siamensis ♂ Up. Stichophthalma louisa siamensis ♂ Un. Stichophthalma louisa siamensis ♀ Up. Stichophthalma louisa siamensis ♀ Un.
♂, Phrae, Thailand. (photo by K.Saito) ♀, Phrae, Thailand. (photo by K.Saito)
Stichophthalma louisa siamensis ♂ Up. Stichophthalma louisa siamensis ♂ Un. Stichophthalma louisa siamensis ♂ Up. Stichophthalma louisa siamensis ♂ Un.
♂, Chiang Mai, Thailand.(photo by K.Saito) ♂, Lampang, Thailand. (photo by K.Saito)

ON : Stichophthalma louisa siamensis Rothschild,1916
OD : Novit. zool. 23:308.
TL : Siam. (♀, NHML)
Distribution : N. to C.Thailand.

Type Material Information

♀ Type HT (red), Rh.15496. (NHML, examined)


Records taken from Literature

[ THAILAND ]
Stichophthalma louisa siamensis ; Godfrey,1930 : 258. (by literatur, Rothschild, Nov.Zool.23:308)
Stichophthalma louisa spp. ; Nishimura,1998 : 124, figs.24,♂,25,♂(Un),26,♂,27,♂(Un),28,♂,29,♂(Un),30,♀,31,♀,32,♀(Un),64,♂genitalia. (Phrae: Wang Chin / Lampang: Mae Mo)
Stichophthalma louisa mathilda ; Ek-Amnuay,[2007] : 318, pl.131, figs.A10c,♂,♂(Un),♂,♂(Un),♀. (Wang Chin / Thung Salaeng Luang) (in part)
Stichophthalma louisa louisa ; Ek-Amnuay,2012 : 316. (Winang Pa Pao) (in part)
Stichophthalma louisa mathilda ; Ek-Amnuay,2012 : 318, pl.131, figs.N156c,♂,♂(Un),♂,♂(Un),♀,♀(Un). (Wang Chin / Thung Salaeng Luang)
Stichophthalma louisa mathilda ; Kimura et al.,2016 : 142, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Ban Salok / Thung Salaeng Luang)


Specimens Examined

[ THAILAND ]
Chiang Rai : 2♂ (photo by K.Saito and M.Hayashi).
JanFebMarAprMayJun JulAugSepOctNovDec

Chiang Mai : 4♂ 2♀ (photo & photo by K.Saito).
JanFebMarAprMayJun JulAugSepOctNovDec

Lampang : 4♂ 2♀ (photo & photo by K.Saito).
JanFebMarAprMayJun JulAugSepOctNovDec

Phrae : 2♂ 2♀. (photo by K.Saito).
JanFebMarAprMayJun JulAugSepOctNovDec


Notes
The butterfly is locally very common in montane bamboo forest at moderate elevations (alt.700m - 1300m).
Ssp.siamensis was described by Rothschild,1916 and the type locality was known only "Siam". Then, For a long time, it was thought to be a S.E.Thailand population. However, an examination of the type specimen in the NHML, I realized that the spear-shaped black markings on the UpF is not as well developed as in the S.E.Thailand population, and that the N.Thailand population corresponds to this taxon because of its shape.
Thus I treat ssp.siamensis as taxon of N.Thailand, and I consider the type locality most likely to be somewhere from Chiang Mai prov. to Phrae prov.

Literature

Rothschild, L.,1916 : Notes on Amathusiidae, Brassolidae, Morphidae, etc., with Descriptions of New Forms.
Novit. zool. 23:299-318.

Nishimura, M.,1998 : Notes on the genus Stichophthalma (Lpidoptera, Nymphalidae), with descriptions of a new species from Indo-China.
Trans. lepid. Soc. Japan. 49(2):115-132, 69 figs.

Stichophthalma louisa siamensis ♂ Stichophthalma louisa siamensis ♀
♂, Lampang, Thailand. ♀, Lampang, Thailand.
Stichophthalma louisa siamensis ♂ Stichophthalma louisa siamensis ♂
♂, Chiang Rai, Thailand. (photo by M.Hayashi) ♂, Lampang, Thailand.
Stichophthalma louisa siamensis ♂ Stichophthalma louisa siamensis ♀
♂, Chiang Mai, Thailand. ♀, Chiang Mai, Thailand.

2020.06.30 - 2020.08.31.

A Check list of Butterflies in Indo-China, Chiefly from THAILAND, LAOS & VIETNAM. Copyright © Y.Inayoshi.