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, NW.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: Hügel, Kaschmir. 4(2)[1]: 456-457. TL. "Himaleya".
Hesperia divodasa Moore, 1866 : Proc. zool. Soc. Lond. 1865(3): 791. TL. "Bengal" [Bengal, India]. (NHML)
Suastus robsonii Nicéville, 1895 : J. Bombay nat. Hist. Soc. 9(4): 372-373, pl.Q, fig.50♂. TL. "Masuri, W.Himalayas" [Mussoorie, NW.India]. (NZC)
Suastus gremius ab. centripuncta Seitz, 1927 : In: Seitz, Gross-Schmetterl. 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 : In: Kollar, V. & L. Redtenbacher, Aufzählung und Beschreibung der von Freiherrn Carl v. Hügel auf seiner Reise durch Kaschmir und das Himaleyagebirge gesammelten Insecten.
In: Hügel, Kaschmir und das Reich der Siek.
Stuttgart, Hallbergerische Verlagshandlung 4(2)[1]: [393]-564, [582]-[586], 28 pls.

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.

Evans, W.H.,1949 : A catalogue of the Hesperiidae from Europe, Asia and Australia in the British Museum (Natural History).
i-xix + 1-502, pls.1-35. London.


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

1999.09.11 - 2025.01.31.

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