♂, Phetchaburi, Thailand.		♀, Kanchanaburi, Thailand.
♂, Ranong, Thailand.		♀, Yala, Thailand.

ON : Euploea harrisii C. Felder & R. Felder, 1865 OD : Reise öst. Fregatte Novara. Zool. Theil. (2): 328. TL : "Cochin" [S.Vietnam]. Distribution : S.Andaman, C.Myanmar, S.Yunnan, Thailand, Laos, Cambodia, Vietnam, Langkawi, W.Malaysia, {Singapore}.

Euploea boisduvalii Moore,1883; Proc. zool. Soc. Lond. 1883(3): 320; (Roger, MS., nom. nud.)
Stictoploea crowleyi Moore, 1891; Lep. Ind. 1(7): 138, pl.52, fig.2,♂; TL: "Tenasserim" [Tanintharyi Region, Myanmar].
Euploea harrisi form depunctata Fruhstorfer, 1910; In: Seitz, Gross-Schmetterl. Erde 9: 246; TL: "Siam" [Thailand].

[ THAILAND ]
Euploea harrisi [sic] harrisi [sic]: Fruhstorfer,1910 : 246. (Siam)
Euploea harrisi [sic] harrisi [sic]: Godfrey,1916 : 120.
Euploea dufresne harrisi [sic]: Pendlebury,1923 : 31. (Nakhon Sri Thammarat: Khao Ram)
Euploea dufresne harrisi [sic]: Godfrey,1927 : 121. (N)
Euploea dufresne harrisii: Godfrey,1930 : 240. (all over)
Euploea dufresne harrisi [sic]: Godfrey,1932a : 266. (P)
Euploea sylvester harrisii: Morishita,1977 : 37, pl.18, figs.♂,♀. (Thailand)
Euploea sylvester harrisii: Pinratana,1977 : 85, figs.D29,♂,♀. (all over)
Euploea sylvester harrisii: Pinratana & Eliot,1992 : 68,73, pl.85, figs.28,♂,♀. (Chanthaburi; Kanchanaburi; Petchaburi; Ratchaburi)
Euploea sylvester harrisii: Yamaguchi & Aoki,2000 : 253, fig.64,♂. (Mukdahan: Phu Mu)
Euploea sylvester harrisii: Yamaguchi & Aoki,2002 : 20–21. (Mukdahan: Ban Lao Kram; Phu Huay Sing; Ban Na Lak; Ban Gok Tum; Ubon Ratchathani: Phu Chong Na Yoi; Nam Tok Soi Sawan; Kaeng E-Keow; Phu Hin Dang)
Euploea sylvester harrisii: Yamaguchi, Aoki & Akiyama,2005 : 47. (Mukdahan: Ban Lao Kram; Phu Mu)
Euploea sylvester harrisii: Ek-Amnuay,[2007] : 210, pl.77, figs.D28,♂,♂(Un). (partim)
Euploea midamus chloe: Ek-Amnuay,[2007] : pl.80, fig.D32b♀. (partim)
Euploea sylvester harrisii: Les Day,2011–2022 : Samui Butterflies, figs.♂(Un). (Koh Samui) (accessed: 2023.03.24)
Euploea sylvester harrisii: Ek-Amnuay,2012 : 210, pl.77, figs.N29,♂,♂(Un),♀,♀(Un). (Nakhon Nayok; Kaeng Krachan)
Euploea sylvester harrisii: Sophonviwatkul et al.,2015– : Butterflies of Thailand, figs. (Sa Kaeo; Phetchaburi) (accessed: 2023.04.27)
Euploea sylvester harrisii: Kimura et al.,2016 : 39, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un),♀,♀(Un). (Phu Khiewo; Kao Khiewo; Kratching WF; Kao Soi Dao; Erawan WF; Kaeng Krachang; Than To WF.)
Euploea sylvester harrisii: Küppers & Janikorn,2017 : 235–236, figs.Abb.Da-133–134. (Phang Nga)
Euploea sylvester harrisii: K. Chaianunporn & T. Chaianunporn,2019 : 86. (Chaiyaphum: Chulabhorn Dam)

[ LAOS ]
Euploea sylvester harrisii: Motono & Negishi,1989 : 52, pl.36, figs.5,♂,6,♂(Un),7,♀,8,♀(Un). (Tha Ngone; Vientiane)
Euploea sylvester harrisii: Osada et al.,1999 : 204, pl.44, fig.♂. (Boung Kuang)
Euploea sylvester harrisii: Onodera,2009b : 39,42, fig.21,♂. (Bolikhamxai: Thabok; Phon Si)
Euploea sylvester harrisii: Nakamura & Wakahara,2012 : 43.
Euploea sylvester harrisii: Onodera,2022 : 24, pl.85, figs.♂,♂(Un),♂,♂(Un),♀,♀(Un). (Bolikhamxai: Phonsi; Khammouan: Natung; Thakhek)

[ CAMBODIA ]
Euploea harrisi f. binotata: Dubois & Vitalis,1921 : 25. (Pnom Penh)
Euploea sylvester: Onodera,2008 : 60, 59, figs.♂,♂(Un). (Mondolkiri: O Rang)
Euploea sylvester: Onodera,2009 : 38. (Siem Reap: Phnum Kulen)
Euploea sylvester harrisii: Monastyrskii et al.,2011 : 128. (Phnom Samkos W.S.)
Euploea sylvester harrisii: Kosterin,2020 : 325. (Pursat; Preah Vihear)
Euploea sylvester harrisii: Chartier & Kosterin,2022 : 115. (Koh Kong; Mondulkiri; Phnom Penh; Pursat; Preah Vihear; Siem Reap)

[ VIETNAM ]
Euploea harrisi [sic] harrisi [sic]: Fruhstorfer,1910 : 246. (Tonkin; S.Annam)
Euploea harrisi [sic] harrisi [sic]: Godfrey,1919 : 465. (S: Daban)
Euploea dufresne harrisi [sic]: Moulton,1923 : 128. (Pulo Condore)
Euploea harrisi [sic]: Lemée,1950 : 7. (Hagiang)
Euploea harrisi [sic] harrisi [sic]: Metaye,1957 : 101. (C; S)
Euploea harrisi [sic] harrisi [sic]: Metaye,1958a : 164–165, pl.2, fig.9,♂. (all over)
Euploea harrisi [sic] binotata: Metaye,1958b : 174. (Pulo Condore)
Euploea sylvester harrisii: Morishita,1970 : 68, figs.23,♂♀. (Blao; Trang Bom; Dinh Quan; La Nga)
Euploea sylvester harrisii: Morishita,1977 : 37. (Vietnam)
Euploea sylvester harrisii: Ikeda et al.,1999 : 53, figs.2:16,♀,3:1,♂,2,♂(Un),9:10(♂genitalia). (Cuc Phuong)
Euploea sylvester harrisii: Luong et al.,2004 : 3, 40, figs.♂,♂(Un),♀,♀(Un). (Cuc Phuong)
Euploea sylvester harrisii: Miyazaki et al.,2006 : 15, figs.D-21,♂♀. (Lam Dong: Dambri; Bin Thuan: Dong Tien)
Euploea sylvester harrisii: Monastyrskii,2011 : 61–63, pl.10, figs.1a♂,1b♀,1c♂,1d♀. (N: Ba Be; Cat Ba; Cuc Phuong; C: Pu Mat; Vu Quang; Huong Son; Phong Nha-Ke Bang; Dak Rong; Yok Don; Chu Yang Sin; S: La Nga; Nghia Trung; Binh Chau; Cat Tien; Con Son Is; Nui Chua; Lo Go Sa Mat)
Euploea sylvester harrisii: Monastyrskii & Devyatkin,2015 : 19. (N; C; S)

[ THAILAND ]
Chiang Mai : 6♂ 1♀ (incl. photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Phetchabun : 2♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chaiyaphum : 5♂ (incl. photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Kanchanaburi : 1♂ 1♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sa Kaeo : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chanthaburi : 7♂ 2♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Trat : 2♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Phetchaburi : 2♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Ranong : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Surat Thani (Koh Tao) : 1♀ (photo by P.Kosierb).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Nakhon Si Thammarat : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Yala : 4♂ 2♀ (incl. photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

[ VIETNAM ]
Lam Dong : 2♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The butterfly is locally common in forests at low to moderate elevations (10–1,000 m a.s.l.). Both sexes visit flowers. Males are territorial on trees or shrubs at the edges of forests and are occasionally observed mud-puddling along stream banks and at puddles.

Felder, C. & Felder, R.,1865 : Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair. Zoologischer Theil. Zweiter Band. Zweite Abtheilung: Lepidoptera.
Carl Gerold's Sohn, Wien, (2): [2] + 137–378, pls. 22–47. ([after Oct].1865)

Moore, F, 1883. A Monograph of Limnaina and Euploeina, two Groups of Diurnal Lepidoptera belonging to the Subfamily Euploeinae; with descriptions of new genera and species. Part II. Euploeina.
Proceedings of the zoological Society of London, 1883(3): 253–324, pls.29–32.

Moore, F, 1891. Lepidoptera Indica. vol.1. Rhopalocera. Family Nymphalidae.
Lovell Reeve & Co., London, 1(7): 138, pl.52.

Fruhstorfer, H.,1910 : 3. Familie: Danaidae. In: Seitz, A. (Ed.), Die Gross-Schmetterlinge der Erde.
Alfred Kernen, Stuttgart, 9: 241–248. (29.Nov.1910)

Morishita, K, 1977. The genus Euploea in the Orient (Lepidoptera: Danaidae).
Acta Rhopalocerologica, (2): 1–60, 35 pls. (in Japanese)

♂ (territorial behaviour), Yala, Thailand.	♀, Yala, Thailand.
♀ (above) and ♂, Yala, Thailand.	♂ + ♀ (mating), Yala, Thailand.
♂ (territorial behaviour), Yala, Thailand.

1998.11.15 - 2025.04.30.