Suastus gremius gremius  Fabricius, 1798

Suastus gremius gremius ♂ Up. Suastus gremius gremius ♂ Un. Suastus gremius gremius ♀ Up. Suastus gremius gremius ♀ Un.
♂, Chiang Mai, Thailand. ♀, Bangkok, Thailand.

ON : Hesperia gremius Fabricius, 1798
OD : Ent. syst. Suppl. : 433.
TL : India orientali.
Distribution : S.India, N.W.Himalaya to Myanmar,
Thailand, Laos, Cambodia, Vietnam, Hainan,
Hong Kong, Taiwan, W.Malaysia, Tioman. Singapore.
Suastus gremius gremius map

Synonyms

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 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.


Type Material Information

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


Records taken from Literature

[ 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, figs.142,♂,♀(Un). (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 : Samui Butterflies, figs.[♀],[♀](Un). (Koh Samui) (accessed: 2022.02.11)
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. (Phetchabun; Bangkok; Rayong; Chanthaburi; Trat) (accessed: 2023.08.04)
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.
Suastus gremius gremius ; Onodera,2022 : 117, pl.254, figs.♂,♂(Un),♀,♀(Un). (Luang Phabang; Vientiane: Saphangmeuk)

[ CAMBODIA ]
Suastus gremius gremius ; Shirôzu & Saigusa,1962 : 35-36, pl.2, figs.13,♀,14,♀(Un). (Puok)
Suastus gremius gremius ; Kosterin,2020 : 333. (Siem Reap; Stueng Treng)
Suastus gremius gremius ; Chartier & Kosterin,2022 : 125. (Phnom Penh; Preah Sihanouk; Siem Reap; Stueng Treng)

[ 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)


Specimens Examined

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

Bangkok : 1♀.
JanFebMarAprMayJun JulAugSepOctNovDec

Ranong : 1♂.
JanFebMarAprMayJun JulAugSepOctNovDec

Yala : 1♂ (photo).
JanFebMarAprMayJun JulAugSepOctNovDec


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


Notes

The butterfly is locally common in secondary and montane forests at low to moderate elevations (Alt. 10 - 900m). Both sexes visit flowers. Males are territorial on undergrowth at hilltops and are occasionally found at parks or gardens.


Literature

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.

Nicéville, L.de,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.


Suastus gremius gremius ♂ Suastus gremius gremius ♀
♂ (territorial behavior), Chiang Mai, Thailand. ♀, Chiang Mai, Thailand.
Suastus gremius gremius ♂
♂, Yala, Thailand.

1999.09.11 - 2024.06.30.

A Check list of Butterflies in Indo-China, Chiefly from THAILAND, LAOS & VIETNAM. Copyright © 1996- Y.Inayoshi.