Caleta roxus pothus  (Fruhstorfer,1918)

Caleta roxus pothus ♂ Up. Caleta roxus pothus ♂ Un. Caleta roxus pothus ♀ Up. Caleta roxus pothus ♀ Un.
♂, Ranong, Thailand. ♀, Yala, Thailand.

ON : Castalius roxus pothus Fruhstorfer,1918
OD : Tijdschr. Ent. 61:34.
TL : Sumatra ; Malay Pen.

Distribution : P.Thailand (Ranong and Southwards),
W.Malaysia, Sumatra.
Caleta roxus pothus map

Records taken from Literature

Caleta roxus pothus ; Pinratana,1981 : 38, 161, pl.6, figs.6,♂,7,♂(Un). (Trang / Yala / Narathiwat)
Caleta roxus pothus ; Ek-Amnuay,[2007] : 556, pl.252, figs.L67b,♂,♂(Un),♂(Un). (Yala)
Caleta roxus pothus ; Les Day,2011 - : Butterflies of Koh Samui, fig. (Koh Samui) (accessed: 2020.10.05)
Caleta roxus pothus ; Ek-Amnuay,2012 : 574, pl.260, figs.L92b,♂,♂,♂(Un). (Yala)
Caleta roxus pothus ; Kimura et al.,2014 : 167, figs.♂,♂(Un),♀,♀(Un),♀,♀(Un). (Khlong Naka / Ka Chong / Than To WF)

Specimens Examined

Ranong : 1♂ 1♀.
JanFebMarAprMayJun JulAugSepOctNovDec

Nakhon Si Thammarat : 1♂ (photo by A.Giudici).
JanFebMarAprMayJun JulAugSepOctNovDec

Yala : 3♂ 1♀ (
JanFebMarAprMayJun JulAugSepOctNovDec

The subspecies is very similar to ssp.roxana and the ordinary form is hardly distinguishable by the wing markings, though It tends to be slightly smaller in size. I have never seen winter season form in this subspecies, however it might be included to ssp.roxana. Further taxonomic study is needed.
The butterfly is locally common in montane forest at low to moderate elevations (alt.200m - 500m) and is often found around streams or forest edge.


Fruhstorfer, H.,1918 : Revision der Gattung Castalius auf Grund der Morphologie der Generationsorgane.
Tijdschr. Ent. 61:17-44, pls.4,5.

Caleta roxus pothus ♂ Caleta roxus pothus ♂
♂ (var.), Yala, Thailand. ♂, Yala, Thailand.
Caleta roxus pothus ♂ Caleta roxus pothus ♂
♂, Yala, Thailand. ♂, Nakhon Si Thammarat, Thailand. (photo by A.Giudici

1999.06.24 - 2020.10.31.

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