♂, Nan, Thailand.		♀, Chiang Mai, Thailand.
♂, Ranong, Thailand.		♀, Yala, Thailand.
♂, Chiang Mai, Thailand.		♂, Chanthaburi, Thailand.

ON : Hesperia agna Moore, [1866] OD : Proc. zool. Soc. Lond. 1865(3):791-792. TL : Bengal. (♂, NHML) Distribution : Sri Lanka, Kashmir, India, Sikkim, Assam, Andamans, Nicobars, Myanmar, Thailand, Laos, Vietnam, China, Hainan, Taiwan, Langkawi, W.Malaysia, Aur, {Singapore}, Sumatra, Nias, Siberut, Banka, Java, Borneo, Lombok, Philippines, Sulawesi, Talaut.

Pamphila similis Moore, [1881] : Lep. Ceylon 1(4):169. (Published in synonymy)
Hesperia balarama Plötz, 1882 : Stett. ent. Ztg. 44(1-3):46-47. TL. Philippines. (♂)
Chapra mathias niasica Fruhstorfer, 1911 : Deut. ent. Zeit. [Iris] 25:49-50. TL. Nias. (♂, NHML)

[ THAILAND ]
Pelopidas agna agna ; Evans,1949 : 439. (Siam)
Pelopidas agna agna ; Pinratana,1985 : 108, pl.37, figs.245,♂,♀. (Chiang Mai; Nakhon Ratchasima; Nakhon Nayok; Bangkok; Ratchaburi; Samut Prakan; Ranong; Nakhon Sri Thammarat; Trang)
Pelopidas agna agna ; Yamaguchi & Aoki,2000 : 251, fig.31,♀. (Mukdahan: Phu Pha Thaep; Phu Huay Sing)
Pelopidas subochraceus barneyi ; Ek-Amnuay,[2007] : 836, pl.384, figs.H286,♂,♂(Un),♂. (Nakhon Ratchasima)
Pelopidas agna agna ; Ek-Amnuay,[2007] : 834, pl.384, figs.H285,♂,♂(Un),♀. (Bangkok)
'Pelopidas agna agna ; Les Day,2011-2022 : Samui Butterflies, fig.[♀](Un). (Koh Samui) (accessed: 2022.11.13)'
'Pelopidas mathias mathias ; Les Day,2011-2022 : Samui Butterflies, figs.[♀],[♀](Un). (Koh Samui) (accessed: 2022.11.13)'
Pelopidas agna agna ; Kimura et al.,2011 : 102, figs.♂,♂(Un),♀,♀(Un). (Doi Phui; Doi Suthep; Mouck Leck; Wan Nam Khiewo; Kao Soi Dao; Kao Khiewo; Bangkok; Bahg Phoo; Bang Phaing; Ratchaburi; Kaper WF; Khlong Naka; Ka Chong; Thaleban; Tarutao Is; Than To WF.)
Pelopidas subochraceus barneyi ; Ek-Amnuay,2012 : 900, pl.415, figs.H283,♂,♂,♂(Un). (Nakhon Ratchasima)
Pelopidas agna agna ; Ek-Amnuay,2012 : 900, pl.415, figs.H282,♂,♂(Un),♀. (Bangkok)
Pelopidas mathias mathias ; Ek-Amnuay,2012 : pl.415, figs.H284(left),♂(center,Un). (in part)
Pelopidas agna agna ; Küppers & Janikorn,2017 : 132-133, figs.Abb.H-280-284. (Phang Nga)
Pelopidas agna agna ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, fig. (Chachoengsao) (accessed: 2023.10.22)

[ LAOS ]
Pelopidas agna agna ; Motono & Negishi,1989 : 84, col.pl.16 ; pl.117, fig.♂, figs.A11,♂,A12,♂(Un) ; B1,♀,B2,♀(Un). (Nam Moh; Pakse; Luang Prabang; Tha Dua; Vientiane: Dan Sum)
Pelopidas agna agna ; Osada, Uémura & Uehara,1999 : 225, pl.143, fig.♂. (Vientiane)
Pelopidas agna agna ; Nakamura & Wakahara,2012 : 60.
Pelopidas agna agna ; Onodera,2022 : 123, pl.260, figs.♂,♂(Un),♀,♀(Un). (Bolikhamxai: Keng Sa; Lak Sao)

[ VIETNAM ]
Pelopidas agna agna ; Devyatkin & Monastyrskii,1999 : 178. (Hanoi; Tam Dao; Hoa Binh; Do Son; Ba Vi; Ba Be; Cuc Phuong; Vu Quang; Ba Na; Bach Ma; Buon Luoi)
Pelopidas agna agna ; Devyatkin,2000 : 203. (S: Cat Tien; Thuan Hai)
Pelopidas agna agna ; Ikeda et al.,2001b : 66, figs.4:23,♂,24,♂(Un),5:40(♂genitalia). (Cuc Phuong)
Pelopidas agna agna ; Luong et al.,2004 : 15, 91, figs.♂,♂(Un). (Cuc Phuong)
Pelopidas agna ; Monastyrskii et al.,2006 : 46. (Thua Thien Hue: A Luoi; Huong Thuy; Bach Ma)
Pelopidas agna agna ; Miyazaki, Saito & Saito,2007b : 17, figs.H-117,♂,♀. (Lam Dong: Dambri; Madagui)
Pelopidas agna agna ; Yokochi et al.,2015 : 43. (Khanh Hoa: Hon Ba)
Pelopidas agna agna ; Monastyrskii & Devyatkin,2015 : 84. (N / C / S)
Pelopidas agna agna ; Saito et al.,2017 : 76. (S: Nui Cam; Nui Coto)

[ THAILAND ]
Mae Hong Son : 1♂.

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Chiang Mai : 5♂ 1♀.

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Nan : 2♂.

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Chanthaburi : 1♂.

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Ranong : 1♂.

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Nakhon Si Thammarat : 1♂.

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Yala : 3♂ 1♀ (incl. photo).

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[ LAOS ]
Bolikhamxai : 1♂ 1♀.

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Houaphan : 1♀.

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The butterfly is locally common in secondary forests at low to moderate elevations (Alt. 30 - 1200m). Both sexes visit flowers.
It is necessary to confirm the male brand on the UPF to identify closely related species and identification from the underside is not possible.

Moore, F.,[1866] : On the lepidopterous insects of Bengal.
Proc. zool. Soc. Lond. 1865(3):755-822, 3 pls.

Moore, F.,1880-1881 : Lepidoptera of Ceylon. vol.1.
London, L.Reeve and Co. 1:[viii]+190ppm 71 pls.

Plötz, C.,1883 : Die Hesperiinen-Gattung Hesperia Aut. und ihre Arten.
Stett. ent. Ztg. 44(1-3):26-64 ; 44(4-6):195-233.

Fruhstorfer, H.,1911 : Neue Hesperiden des Indo-Malayischen Faunengebietes und Besprechung verwandter Formen.
Deut. ent. Zeit. [Iris] 25(2-6):9-79, pl.1.

♂, Yala, Thailand.

2018.07.31 - 2023.11.30.