♂, Nan, Thailand.		♀, Nan, Thailand.
♂, Mae Hong Son, Thailand.		♀, Tak, Thailand.
♂, Ranong, Thailand.		♀, Ranong, Thailand.
♂, Ranong, Thailand.		♀, Ranong, Thailand.

ON : Cyrestis risa Doubleday, [1848] OD : Gen. diurn. Lep. (2):262, pl.32, fig.4. TL : Silhet, Assam. (♂, NHML) Distribution : India to Myanmar, Thailand, Laos, Cambodia, Vietnam, S.E.Tibet, S.Yunnan, Hainan, W.Malaysia.

Cyrestis risa transiens Martin, 1903 : Deut. ent. Zeit. [Iris] 16(1):154. TL. Darjeeling.

[ THAILAND ]
Chersonesia risa transiens ; Godfrey,1916 : 128. (Chonburi: Hup Bon)
Chersonesia risa transiens ; Godfrey,1927 : 123. (N)
Chersonesia risa risa ; Godfrey,1930 : 277. (Prae: Me Song forest; Pak Jong; Chonburi: Sriracha; W: Eka Klo)
Chersonesia risa risa ; Pinratana,1979 : 39, figs.N56a♀,♀(Un). (Chiang Mai; Chanthaburi; Chonburi; Tak)
Chersonesia risa cyanee ; Pinratana,1979 : 39, figs.N56b♂,♂(Un). (Trang; Yala)
Chersonesia risa risa ; Pinratana & Eliot,1996 : 43, pl.25, figs.58,♂(DF),♂(WF). (Chiang Mai; Tak; Nakhon Ratchasima; Nakhon Nayok; Chonburi; Rayong; Chanthaburi; Ranong; Trang; Yala)
Chersonesia risa risa ; Katsuyama et al.,2005 : 69, fig.148,♂. (Umphang)
Chersonesia risa risa ; Ek-Amnuay,[2007] : 384, pl.166, figs.N60,♂(dsf),♂,♂,♂(Un). (Kanchanaburi)
Chersonesia risa risa ; Ek-Amnuay,2012 : 478, pl.212, figs.N343,♂,♂,♂,♂(Un). (Kanchanaburi)
Chersonesia risa risa ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Phetchabun; Saraburi; Chanthaburi) (accessed: 2021.07.20)
Chersonesia risa risa ; Kimura et al.,2016 : 119, figs.♂,♂(Un),♂,♂(Un),♂,♂(Un),♀,♀(Un). (Chiang Dao; Doi Suthep; Kao Yai; Nakohn Nayok; Wang Nam Khiewo; Kao Soi Dao; Pliewn WF; Kao Saverb; Kratching WF; Kao Chamaoh; Kao Khiewo; Doi Musso; Mae Sohd; Sai York Noi; Ranong Hot Spring; Muang Shone; Kam Puan; Khlong Naka; Ka Chong; Than To WF.)

[ LAOS ]
Chersonesia risa f.risa ; Dubois & Vitalis,1924 : 39. (Laos)
Chersonesia risa f.transiens ; Dubois & Vitalis,1924 : 39. (Vientiane)
Chersonesia risa transiens ; Motono & Negishi,1989 : 56, pl.54, figs.1,♂,2,♂(Un),3,♀,4,♀(Un). (Vang Vieng; Luang Prabang)
Chersonesia risa transiens ; Osada, Uémura & Uehara,1999 : 206, pl.51, figs.♂,♂(Un). (Vientiane; Boung Kuang)
Chersonesia risa transiens ; Nimura & Wakahara,2005 : 42. (Thabeng; Laksao)
Chersonesia risa risa ; Nakamura & Wakahara,2012 : 45.

[ CAMBODIA ]
Chersonesia risa risa ; Monastyrskii et al.,2011 : 129. (Phnom Samkos W.S.)

[ VIETNAM ]
Chersonesia risa transiens ; Fruhstorfer,1912 : 592. (Tonkin; Annam)
Chersonesia transiens ; Dubois & Vitalis,1919 : 229. (Annam; Tonkin)
Chersonesia risa f.risa ; Dubois & Vitalis,1924 : 39. (Tonkin; Annam)
Chersonesia risa ; Lemee,1950 : 10. (Hagiang)
Chersonesia risa risa f.hib.risa ; Metaye,1957 : 95. (N / C)
Chersonesia risa risa f.aest.transiens ; Metaye,1957 : 95. (N / C)
Chersonesia risa risa ; Ikeda et al.,2000 : 30, figs.4:4,♂,5,♂(Un),6,♀, fig.9:22(♂,genitalia). (Cuc Phuong)
Chersonesia risa risa ; Luong et al.,2004 : 6, 62, figs.♂,♂(Un). (Cuc Phuong)
Chersonesia risa ; Monastyrskii et al.,2006 : 41. (Thua Thien Hue: Nam Dong; A Luoi; Huong Thuy; Phong Dien; Bach Ma)
Chersonesia risa transiens ; Miyazaki, Saito & Saito,2006b : 20, figs.N-38,♂,♀. (Lam Dong: Dambri; Dai Duc Me; Dong Nai: Thac Mai)
Chersonesia risa risa ; Monastyrskii & Devyatkin,2015 : 34. (N / C / S)
Chersonesia risa transiens ; Yokochi et al.,2015 : 41. (Khanh Hoa: Hon Ba)
Chersonesia risa risa ; Monastyrskii,2019 : 4(1):147-148, pl.32, figs.5a♂,5b♂(Un). (N: Van Ban; Ba Be; Na Hang; Huu Lien; Tam Dao; Cuc Phuong; Pu Luong; Xuan Lien / C: Ben En; Huong Son; Pu Mat; Vu Quang; Phong Nha Ke Bang; Phong Dien; Bach Ma; Nam Dong; A Luoi; Son Thanh; Ngoc Linh; Kon Plong; Kon Ka Kinh; Phu Yen; Hon Ba; Bi Doup Nui Ba; Bao Lam; Loc Bac; Da Teh / S: Nghia Trung)

[ THAILAND ]
Mae Hong Son : 9♂ 4♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chiang Mai : 7♂ 5♀ (incl.photo).

Jan

Feb

Mar

Apr

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Sep

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Dec

Lampang : 2♂ 1♀ (photo).

Jan

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Nan : 5♂ 3♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Tak : 3♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

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Dec

Chanthaburi : 2♂ 2♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

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Sep

Oct

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Ranong : 12♂ 10♀.

Jan

Feb

Mar

Apr

May

Jun

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Sep

Oct

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Dec

Nakhon Si Thammarat : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

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Sep

Oct

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Dec

Trang : 1♂.

Jan

Feb

Mar

Apr

May

Jun

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Sep

Oct

Nov

Dec

Yala : 3♂ 4♀ (incl.photo).

Jan

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Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[ LAOS ]
Xiang Khouang : 1♂ (photo by H.Onodera).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[ VIETNAM ]
Vinh Phuc : 1♀.

Jan

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Nov

Dec

The butterfly is locally common in montane forest at low to moderate elevations (Alt.50m - 1300m). Males are territorial on trees and often rest on the underside of leaves with their wings spread.

Doubleday, E. & Hewitson, W.C.,1846-1852 : The genera of diurnal Lepidoptera,
comprising their generic characters, a notice of their habits and transformations, and a catalogue of the species of each genus ;
illustrated with 86 plates by W.C.Hewitson.
Longon, Longman, Brown, Green and Longman's. xii + ii + 534 pp, 86 pls, In 54 parts. In 2 vols.

Martin, L.,1903 : Das Genus Cyrestis, eine Revision der bekannten Arten unter Berucksichtigung der neven Formen.
Deut. ent. Zeit. [Iris] 16(1):71-169.

Evans, W.H.,1932 : The identification of Indian butterflies. second edition revised.
Bombay nat. Hist. Soc., Madras : 10+454pp, 32 pls, 9f.

♂, Chiang Mai, Thailand.	♀, Lampang, Thailand.
♂, Yala, Thailand.	♂, Chiang Mai, Thailand.
♂, Chiang Mai, Thailand.

2007.10.10 - 2021.11.30.