♂ (bred), Prachinburi, Thailand.		♀ (bred), Prachinburi, Thailand.
♂, Ranong, Thailand.		♀, Yala, Thailand.
♂, Mae Hong Son, Thailand.		♂, Satun, Thailand.
♂ genitalia, Prachinburi, Thailand.

ON : Hesperia naga Nicéville, 1884 OD : J. asiat. Soc. Bengal, Part II. 52(2/4):89, pl.10, fig.2♀. TL : Sibsagar, Upper Assam. (♀, NZC) Distribution : Assam to Myanmar, Thailand, Laos, Cambodia, Vietnam, Yunnan, W.Malaysia, Singapore, Borneo, Sumatra, Nias, Bangka, Java, Bali, Palawan, Philippine.

Plastingia tessellata palawata Staudinger, 1889 : Deut. ent. Zeit. [Iris] 2(1):149. TL. Palawan. (♂)
Plastingia naga valenia Fruhstorfer, 1909 : Ent. Zeit. 23(39):172. TL. Ost-Java. (♂, NHML)

naga  ; Type 1♀, Seebs, Assam. (NZC) ; Sheela et al.,2019 : 49, figs.♀,♀(Un).

[ THAILAND ]
Plastingia naga ; Godfrey,1916 : 145. (Chonburi: Hup Bon)
Plastingia naga ; Godfrey,1930 : 377. (Chonburi: Hup Bon)
Plastingia naga ; Evans,1949 : 316. (Siam)
Plastingia naga ; Pinratana,1985 : 78, pl.26, figs.165,♂,♂(Un). (Nakhon Ratchasima; Ranong; Trang)
Plastingia naga ; Ek-Amnuay,[2007] : 798, pl.366, figs.H194,♂,♂(Un),♀,♀(Un). (Nakhon Ratchasima)
Plastingia naga ; Les Day,2011-2022 : Samui Butterflies, figs.[♀],[♂](Un). (Koh Samui) (accessed: 2019.08.20)
Plastingia naga ; Kimura et al.,2011 : 78, figs.♂,♂(Un),♀,♀(Un). (Wang Nam Khiewo; Kratching WF; Kao Khiewo; Khlong Naka; Ka Chong; Than To WF.)
Plastingia naga ; Ek-Amnuay,2012 : 856, pl.395, figs.H191,♂,♂(Un),♀. (Nakhon Ratchasima)
Plastingia naga ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs, Early Stages. (Phitsanulok; Sa Kaeo; Nakhon Nayok; Prachinburi; Chonburi; Chanthaburi; Trat; Nakhon Si Thammarat) (accessed: 2023.09.02)
Plastingia naga ; Küppers & Janikorn,2017 : 108-109, fig.Abb.H-196. (Phang Nga)

[ LAOS ]
Plastingia naga ; Masui & Uehara,1997 : 6, 5, figs.18,♀,♀(Un). (Saravan)
Plastingia naga ; Osada, Uémura & Uehara,1999 : 224, pl.140, fig.♀(Un). (Saravan)
Plastingia naga ; Nakamura & Wakahara,2012 : 59.

[ CAMBODIA ]
Plastingia naga ; Chartier & Kosterin,2022 : 126, fig.8A[♂](Un). (Koh Kong; Siem Reap)

[ VIETNAM ]
Plastingia naga ; Devyatkin & Monastyrskii,1999 : 171. (Ba Be)
Plastingia naga ; Devyatkin & Monastyrskii,2003 : 125. (S: Lo Go Xa Mat)
Plastingia naga ; Monastyrskii et al.,2006 : 45. (Thua Thien Hue: Phong Dien)
Plastingia naga ; Miyazaki, Saito & Saito,2007b : 14, fig.H-84,♂. (Lam Dong: Dambri)
Plastingia naga ; Monastyrskii & Devyatkin,2015 : 80. (N / C / S)

[ THAILAND ]
Mae Hong Son : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chiang Mai : 1♂ (photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Tak : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Phetchabun : 1♂ 1♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Kanchanaburi : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

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Dec

Nakhon Nayok : 3♂ 3♀ (photo by S.Sophonviwatkul).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

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Dec

Prachinburi : 3♂ 3♀.

Jan

Feb

Mar

Apr

May

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Jul

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Sep

Oct

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Dec

Ranong : 2♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Surat Thani (Koh Phangan dist.) : 1♂.

Jan

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Mar

Apr

May

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Jul

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Sep

Oct

Nov

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Trang : 1♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

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Sep

Oct

Nov

Dec

Satun (Koh Tarutao) : 1♂.

Jan

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May

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Sep

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Yala : 1♂ 1♀.

Jan

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Oct

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Dec

The butterfly is locally not rare in montane forests at low to high elevations (Alt. 30 - 1600m). Both sexes visit flowers.
Further taxonomic and distributional studies are needed.

Nicéville, L. de,1884 : On new and little-known Rhopalocera from the Indian Region.
J. asiat. Soc. Bengal, Part II. 52(2/4):65-91. pls.1,9,10.

Staudinger, O.,1889 : Lepidopteren der Insel Palawan.
Deut. ent. Zeit. [Iris] 2(1):3-180, pls.1,2.

Fruhstorfer, H.,1909 : Neue Hesperiden.
Ent. Zeit. 23(39):171-174.

♂, Chiang Mai, Thailand.	♂, Yala, Thailand.

1999.09.11 - 2024.06.30.