Euthalia djata siamica

Euthalia djata siamica Riley & Godfrey, 1925


♂, Chanthaburi, Thailand.		♂, Siem Reap, Cambodia. (photo by K.Saito)

♂, Sa Kaeo, Thailand.		♂, Sa Kaeo, Thailand.

ON : Euthalia ludonia siamica Riley & Godfrey, 1925
OD : Entomologist 58:140.
TL : "Pak Djong, Siam"
[Pak Chong, Nakhon Ratchasima, Thailand]. (NHML)

Distribution : C. to SE. Thailand, Cambodia, Vietnam,
Langkawi, W. Malaysia (Kedah).

	● ssp.osadai
	● ssp.siamica
	● ssp.rubidifascia

Type Material Information

Holotype ♀, "Pak Djong, Siam" [Pak Chong, Nakhon Ratchasima, Thailand]. (NHML) ; Yokochi,1999b : 21, fig.76(HT,♀,♀Un).

Records taken from Literature

[ THAILAND ]
Euthalia ludonia siamica ; Godfrey,1930 : 294. (Pak Jong)
Euthalia djata siamica ; Pinratana,1979 : 78, not fig. (Chanthaburi; Nakhon Ratchasima) (in part)
Euthalia djata siamica ; Pinratana & Eliot,1996 : 78, pl.54, figs.145,♂,♀. (Chanthaburi; Nakhon Ratchasima) (in part)
Euthalia djata siamica ; Yokochi,1999b : 24-25, fig.76(HT,♀). (C / 'S')
Euthalia djata siamica ; Ek-Amnuay,[2007] : 444, pl.196, figs.N152,♂,♂(Un). (Chanthaburi) (in part)
Euthalia djata siamica ; Ek-Amnuay,2012 : 454, pl.201, figs.N318b♂,♂(Un). (Chanthaburi)
Euthalia djata siamica ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Sa Kaeo) (accessed: 2021.07.20)
Euthalia djata siamica ; Kimura et al.,2016 : 108, figs.♂,♂(Un),♀,♀(Un). (Wan Nam Khiewo; Kao Soi Dao)

[ CAMBODIA ]
Euthalia djata ; Onodera,2008 : 58. (Mondolkiri: Bousra)
Euthalia djata siamica ; Chartier & Kosterin,2022 : 118. (Koh Kong; Mondulkiri; Siem Reap)

[ VIETNAM ]
Euthalia djata osadai ; Miyazaki, Saito & Saito,2007c : 38, fig.N-118,♂. (Bin Thuan: Dong Tien)
Euthalia djata osadai ; Miyazaki et al.,2010 : 24, fig.N-118,♀. (Dong Nai: Thac Mai)
Euthalia djata osadai ; Monastyrskii & Devyatkin,2015 : 40. (by literature)
Euthalia djata osadai ; Monastyrskii,2019 : 4(2):124, pl.65, figs.3a♂,3b♂(Un),3c♀. (S: Dong Nai)

Specimens Examined

[ THAILAND ]
Sa Kaeo : 3♂ 5♀ (incl. photo).

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Chanthaburi : 1♂.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

[ CAMBODIA ]
Siem Reap : 1♂.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Mondolkiri: 1♂ (photo by H.Onodera).

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Notes

The butterfly is locally not rare in montane forest at low elevations (Alt. 150 - 350m).
Yokochi (1999) recorded it from S. Thailand, but I have never seen any specimens from P. Thailand. Considering its distribution in Langkawi, this taxon is most likely distributed in the peninsular region. The population in Sa Kaeo province, E.Thailand is variable and some specimens are close to ssp.osadai. Further taxonomic study and distributional research are needed.

Literature

Riley, N. D. & Godfrey, E. J.,1925 : New Rhopalocera from Siam and Hainan.
Entomologist 58:140-143, pl.3.

Yokochi, T.,1999b : A revision of the lubentina group of genus Euthalia (Rhopalocera, Nymphalidae) in the Indo-Australian Region (II)
Butterflies 23:20-35, 42 figs.

Eliot, J. N. & Kirton, L. G.,2000 : Revisional notes and nomenclatural changes of some Peninsular Malaysian butterflies
Malay. nat. J. 54(2):131-145.


♂, Sa Kaeo, Thailand.	♀, Sa Kaeo, Thailand.

♀, Sa Kaeo, Thailand.

2007.02.10 - 2023.02.28.