♂ (dsf), Chiang Mai, Thailand.		♀ (dsf), Chiang Mai, Thailand.
♂ (dsf), Tak, Thailand.		♀ (dsf), Tak, Thailand.
♂, Nan, Thailand.		♀ (dsf), Nan, Thailand.
♂, Phetchabun, Thailand.		♂ (dsf), Nan, Thailand.

ON : Athyma zeroca ssp. OD : TL : Distribution : Myanmar (Karen Hills), Thailand, S.Yunnan. ● ssp.galaesus ● ssp.meinippus ● ssp.

[ THAILAND ]
Pantoporia zeroca galaesus ; Godfrey,1916 : 129. (Prae: Me Song forest)
Pantoporia zeroca galaesus ; Godfrey,1927 : 124. (N)
Pantoporia zeroca galaesus ; Godfrey,1930 : 286. (Muak Lek; Pak Jong)
Athyma zeroca zeroca ; Pinratana,1979 : 58, figs.N014a♂,♀. (Chaiyaphum; Loei)
Athyma zeroca galaesus ; Pinratana,1979 : 58. (Chaiyaphum; Loei)
Athyma zeroca galaesus ; Pinratana & Eliot,1996 : 60, pl.38, figs.106,♂,♂(Un). (Chaiyaphum; Phisanulok) (in part)
Athyma zeroca galaesus ; Ek-Amnuay,[2007] : 406, pl.177, figs.N110,♂,♂(Un),♂(dsf),♀. ('Khao Yai' [loc.err.])
Athyma zeroca galaesus ; Ek-Amnuay,2012 : 416, pl.181, fig.N275,♂,♂(Un),♂(dsf),♀. (Nan) (in part)
Athyma zeroca galaesus ; Kimura et al.,2016 : 88, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Doi Pha Hom Pok; Doi Ankhaan; Doi Suthep; Thung Saleng Luang; Phu Khiewo; Doi Montha)
Athyma zeroca ssp. ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2024- : Butterflies of Thailand, figs. (Chiang Mai; Nan; Kamphaeng Phet; Phetchabun) (accessed: 2024.05.01)

[ THAILAND ]
Mae Hong Son : 4♂ (incl. photo).

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Chiang Rai : 1♂ (photo).

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Chiang Mai : 14♂ 1♀ (incl. photo & photo by K.Saito).

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Nan : 9♂ 1♀ (incl. photo).

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Uttaradit : 3♂ (photo).

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Kamphaeng Phet : 1♂ (photo by S.Sophonviwatkul).

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Tak : 9♂ 1♀ (incl. photo).

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Phetchabun : 4♂ 1♀ (incl. photo).

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Chaiyaphum : 1♂.

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Phetchaburi : 1♂ (photo by T.Aoyama).

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The butterfly is not rare in montane forests at moderate elevations (Alt. 500 - 1300m).
The populations from S. Yunnan, Myanmar (Karen Hills) to northern to north-central Thailand have been treated as ssp.galaesus. However, as noted on the ssp.galaesus page, this seems to be a distinct and unnamed subspecies. Both sexes are smaller than the nominotypical subspecies and ssp.meinippus. In the dry season form males, the subapical white spots are distinct, large and developed, and the median band tends to be wider. The females are only known to have a greyish-white banded form.

Fruhstorfer, H.,1912 : 6. Familie: Nymphalidae in Seitz, Gross-Schmett. Erde 9
617-632. (15.Oct.1912)

Lang, S. Y.,2012 : The Nymphalidae of China (Lepidoptera, Rhopalocera), Part I. Libytheinae, Danainae, Calinaginae, Morphinae, Heliconiinae, Nymphalinae, Charaxinae, Apaturinae, Cyrestinae, Biblidinae, Limenitinae.
Tshikolovets. Czech Rep. 456 pp, 32 col + 41 b/w pls, distribution maps.

♂ (dsf), Tak, Thailand.
♂, Phetchabun, Thailand.	♂, Mae Hong Son, Thailand.
♂, Kamphaeng Phet, Thailand. (photo by S.Sophonviwatkul)	♂ (dsf, territorial behavior), Chiang Rai, Thailand.
♂ (dsf), Phetchaburi, Thailand. (photo by T.Aoyama)	♀ (dsf), Nan, Thailand.

2024.04.30 - 2024.05.31.