♂, Chiang Mai, Thailand.		♀, Bangkok, Thailand.

Hesperia disu Kollar,[1844] : in Hugel, Kaschmir. 4(2):456-457. TL. Himaleya.
Hesperia divodasa Moore,[1866] : Proc. zool. Soc. Lond. 1865(3):791. TL. Bengal. (♀, NHML)
Suastus robsonii de Nicéville,1895 : J. Bombay nat. Hist. Soc. 9(4):372-373, pl.Q, fig.50♂. TL. Masuri, W.Himalayas. (♂, NZC)
Suastus gremius ab.centripuncta Seitz,1927 : in Seitz, Grossschmett. Erde 9:1062, pl.167h. TL. no loc.

robsonii  ; Type ♂, 1892.9[7].12. Mussoorie. (NZC) ; Sheela et al.,2019 : 57, fig.♂,♂(Un).

[ THAILAND ]
Suastus gremius ; Godfrey,1916 : 143. (Bangkok)
Suastus gremius gremius ; Godfrey,1930 : 369. (Muak Lek ; Pak Jong / Bangkok)
Suastus gremius gremius ; Evans,1943 : 95. (Siam)
Suastus gremius gremius ; Evans,1949 : 297. (Siam)
Suastus gremius gremius ; Pinratana,1985 : 69, pl.23, fig.142. (Chiang Mai / Lampang / Nakhon Nayok / Bangkok / Chonburi)
Suastus gremius gremius ; Yamaguchi & Aoki,2000 : 250, fig.21♂. (Ubon Ratchathani: Kaeng Tana)
Suastus gremius gremius ; Yamaguchi, Aoki & Akiyama,2005 : 44. (Ubon Ratchathani: Warin Chamrap)
Suastus gremius gremius ; Katsuyama et al.,2005 : 64, fig.24♀. (Umphang)
Suastus gremius gremius ; Katsuyama et al.,2006 : 44-45, fig.16♂. (Nan: Ban Nam Poon)
Suastus gremius gremius ; Ek-Amnuay,[2007] : 792, pl.363, figs.H168,♀,♀(Un),♀(Un),♂,♂(Un). (Rangsit / Ban Hong /Lampang)
Suastus gremius gremius ; Les Day,2011-2022 : Butterflies of Koh Samui, fig.♂,♂(Un). (Koh Samui)
Suastus gremius gremius ; Kimura et al.,2011 : 70, figs.♂,♂(Un),♀,♀(Un). (Doi Suthep / Nakohn Nayok / Bang Phra / Pattaya / Bangkok / Kapar WF)
Suastus gremius gremius ; Ek-Amnuay,2012 : 846, pl.391, figs.H164,♂,♂(Un),♀,♀(Un),♀(Un). (Rangsit / Ban Hong /Lampang)
Suastus gremius gremius ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs, Early Stages. (Bangkok / Trat / Chanthaburi)
Suastus gremius gremius ; Küppers & Janikorn,2017 : 102-103, figs.Abb.H-173-176. (Phang Nga)

[ LAOS ]
Suastus gremius gremius ; Masui & Uehara,1999 : 19,22, figs.29,♂,♂(Un),♀,♀(Un). (Vientiane)
Suastus gremius gremius ; Inoué & Kawazoé,1967 ; 5-6, figs.111♀,112♀(Un). (Paksong)
Suastus gremius gremius ; Osada, Uémura & Uehara,1999 ; 224, pl.140, fig.♂(Un). (Vientiane)
Suastus gremius gremius ; Nakamura & Wakahara,2012 : 59.

[ CAMBODIA ]
Suastus gremius gremius ; Shirôzu & Saigusa,1962 : 35-36, pl.2, figs.13♀,14♀(Un). (Puok)

[ VIETNAM ]
Suastus gremius ; Metaye,1957 : 78.
Suastus gremius gremius ; Inoué & Kawazoé,1967 ; 5-6, figs.109♂,110♂(Un). (Bien Hoa)
Suastus gremius gremius ; Devyatkin & Monastyrskii,2002 : 148. (Cuc Phuong)
Suastus gremius gremius ; Luong et al.,2004 : 14. (Cuc Phuong)
Suastus gremius gremius ; Miyazaki et al.,2010 : 29, figs.H-146,♂,♀. (Lam Dong: Madagui / Phan Thiet)
Suastus gremius gremius ; Monastyrskii & Devyatkin,2015 : 80. (N / S)
Suastus gremius gremius ; Saito et al.,2017 ; 76. (S: Nui Coto)

[ THAILAND ]
Chiang Mai : 9♂ 4♀ (incl.photo).

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Bangkok : 1♀.

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Ranong : 1♂.

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Yala : 1♂ (photo).

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Dec

[ LAOS ]
Xieng Khouang : 1♂ (photo by H.Onodeara).

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Fabricius, J.C.,1798 : Entomologia systematica emedata et aucta. secundum classes, ordines, genera, species, adjectis synonymis, locis, observationibus, descriptionibus.
Supplemente : [iv] + 572 pp. Copenhagen. C.G.Proft.

Kollar, V.,[1844] : Aufzahlung und Beschreibung der von Frciherrn Carl v. Hugel auf seiner Reise durch Kaschmir und das Himaleyagebirge gesammelten Insecten.
in Hugel, Kaschmir und das Reich der Siek.
Stuttgart, Hallbergerische Verlagshandlung 4(2):393-564, 582-585, pl.1-28.

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

de Nicéville, C.L.A.,1895 : On new and little-known Butterflies from the Indo-Malayan Region.
J. Bombay nat. Hist. Soc. 9(4):366-410, pl.N-Q.

Evans, W.H.,1943 : A revision of the genus Suastus Moore (Lepidoptera: Hesperiidae)
Proc. R. ent. Soc. Lond. (B)12(7/8):95-96.

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