♂, Phetchaburi, Thailand.		♀, Ranong, Thailand.
♂, Yala, Thailand.		♀, Satun, Thailand.

ON : Hesperia cnejus Fabricius, 1798 OD : Ent. syst. Suppl. :420. TL : India orientali. Distribution : Sri Lanka to Myanmar, Andamans, Nicobars, Thailand, Laos, Cambodia, Vietnam, China, Taiwan, Japan (Okinawa), Langkawi, W.Malaysia, Aur, Singapore to - New Guinea, New Ireland, Manus, N.E.Australia, Fiji, Samoa.

Lycaena pandia Kollar, [1844] : in Hugel, Kaschmir. 4(2):418. TL. Massuri, Himaleya.
Lycaena patala Kollar, [1844] : in Hugel, Kaschmir. 4(2):419-420. TL. Massuri, Himaleya.
Lycaena monica Reakirt, 1866 : Proc. Acad. nat. Sci. Philad. 18:244. TL. 'California'. (Strecker Coll.)
Lycaena hypoleuca Prittwitz, 1867 : Stett. ent. Ztg. 28(7-9):273. TL. Botany Bay, Australia. homonym.
Lycaena samoa Herrich-Schaffer, 1869 : Stett. ent. Ztg. 30(1-3):73-74, pl.4, fig.18. TL. Samoa.
Cupido amazara Kirby, 1871 : Syn. Cat. diurn. Lep. :376. TL.biblio; replacement for hypoleuca. TL. Australia.
Catochrysops hapalina Butler, 1883 : Proc. zool. Soc. Lond. 1883(2):148-149, pl.24, figs.2,3. TL. Mhow, C.India. (NHML)
Catochrysops vitiensis Butler, 1883 : Ann. Mag. nat. Hist. (5)12:389. TL. Viti Islands, Fiji.
Catochrysops trifracta Butler, 1884 : Ann. Mag. nat. Hist. (5)13:194-195. TL. Rat I, Straits of Malacca.
Catochrysops theseus Swinhoe, 1885 : Proc. zool. Soc. Lond. 1885(1):131, pl.8, fig.8. TL. Bombay.
* Euchrysops cnidus Waterhouse & Lyell, 1914 : Butt. Aust. :100. TL. Cape York.
Euchrysops suffusus Rothschild, 1915 : Novit. zool. 22:137. TL. Bali.

[ THAILAND ]
Catochrysops cnejus ; Godfrey,1916 : 137.
Euchrysops cnejus ; Godfrey,1930 : 316. (Chiang Rai; Muak Lek; Bangkok)
Euchrysops cnejus cnejus ; Shirôzu & Saigusa,1962 : 74, pl.13, figs.101,♀, 102,♀(Un). (Chieng Mai)
Euchrysops cnejus cnejus ; Pinratana,1981 : 54, pl.8, fig.9,♀. (Chiang Mai; Chonburi; Kanchanaburi; Phuket)
Euchrysops cnejus cnejus ; Yamaguchi & Aoki,2002 : 34, fig.99,♂. (Ubon Ratchathani: Kaeng Tana)
Euchrysops cnejus cnejus ; Katsuyama et al.,2005 : 66, fig.76,♂. (Umphang)
Euchrysops cnejus cnejus ; Katsuyama et al.,2006 : 47, fig.54,♀. (Nan: Ban Nam Poon)
Euchrysops cnejus cnejus ; Ek-Amnuay,[2007] : 572, pl.258, figs.L107[L108], ♂,♂(Un),♀,♀(Un),♀. (Trat; Rangsit)
Eurochrysops cnejus cnejus ; Les Day,2011-2022 : Butterflies of Koh Samui, figs. (Koh Samui) (accessed: 2021.02.26)
Euchrysops cnejus cnejus ; Ek-Amnuay,2012 : 590, pl.268, figs.L133,♂,♂(Un),♀,♀(Un),♀. (Trat; Rangsit)
Euchrysops cnejus cnejus ; Kimura et al.,2014 : 195, figs.♂,♂(Un),♀,♀(Un). (Doi Suthep; Bang Phra; Kanchanaburi; Kuwai Yai; Kam Puan; Tarutao Is)
Euchrysops cnejus ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, figs. (Chiang Mai; Kanchanaburi; Pathum Thani; Bangkok) (accessed: 2023.02.26)
Euchrysops cnejus cnejus ; Chaianunporn & Chaianunporn,2019 : 85. (Chaiyaphum: Chulabhorn Dam)

[ LAOS ]
Euchrysops cnejus cnejus ; Shirôzu & Saigusa,1962 : 74, pl.13, figs.101,♀, 102,#9792;(Un). (Thakhek)
Euchrysops cnejus cnejus ; Motono & Negishi,1989 : 71, pl.101, figs.B3,♂,B4,♂(Un),B5,♀,B6,♀(Un). (Vang Vieng)
Euchrysops cnejus cnejus ; Osada, Uémura & Uehara,1999 : 215, pl.110, fig.♀(Un). (Attapu)
Euchrysops cnejus cnejus ; Nakamura & Wakahara,2012 : 52.
Euchrysops cnejus ; Onodera,2022 : 78, pl.208, figs.♂,♂(Un),♀,♀(Un). ('Luang Phabang' [Xiengkhouang: NamPhang]; Khammouan: Ban Lao)

[ CAMBODIA ]
Euchrysops cuejus cnejus ; Monastyrskii et al.,2011 : 130. (Phnom Samkos W.S.)
Euchrysops cuejus cnejus ; Chartier & Kosterin,2022 : 121. (Battambang; Koh Kong; Pursat; Preah Vihear; Siem Reap; Stueng Treng)

[ VIETNAM ]
Catochrysops cnejus ; Lemée,1950 : 19. (Backan)
Catochrysops cnejus ; Metaye,1957 : 90. (no loc.)
Euchrysops cnejus ; Ikeda et al.,2001 : 48, figs.2:21,♂,22,♂(Un),6:16(♂genitalia). (Cuc Phuong)
Euchrysops cnejus ; Luong et al.,2004 : 10. (Cuc Phuong)
Euchrysops cnejus cnejus ; Miyazaki, Saito & Saito,[2007] : 56, figs.L-40,♂,♀. (Lam Dong: Dambri; Dong Nai: Thac Mai; Bin Thuan: Tha Cu; Ho Chi Minh)
Euchrysops cnejus cnejus ; Nihira,2009 : 100. (Phu Quoc)
Euchrysops cnejus cnejus ; Monastyrskii & Devyatkin,2015 : 52. (N / C / S)
Euchrysops cnejus cnejus ; Saito et al.,2017 ; 80. (S: Nui Coto)

[ THAILAND ]
Mae Hong Son : 1♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Chiang Mai : 1♂ 2♀ (incl. photo).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Phetchaburi : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Ranong : 1♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Surat Thani (Koh Tao) : 1♂ 1♀ (photo by P.Kosierb).

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Trang : 1♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Satun : 3♂ 2♀.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Yala : 1♂.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The butterfly is locally common in fields, open areas, wasteland and roadsides around secondary forests at low to moderate elevations (Alt.50 - 800m). Both sexes visit flowers and males occasionally come to the banks of streams and puddles to suck water.

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.

Prittwitz, O.F.W.L.von,1867 : Lepidopterologisches.
Stett. ent. Ztg. 28(7-9):257-277.

Reakirt, T.,1866 : Descriptions of some new species of Diurnal Lepidoptera
Proc. Acad. nat. Sci. Philad. 18(3):238-249.

Herrich-Schaffer, G.A.W.,1869 : Neue Schmetterlinge aus dem Museum Godeffroy in Hamburg. Erste Abtheilung: die Tagfalter.
Stett. ent. Ztg. 30(1-3):65-80, pls.1-4.

Kirby, W.F.,1871 : A synonymic catalogue of the dirunal Lepidoptera.
London. Van Voorst 8vo :iii+vii+690pp.

Butler, A.G.,1883 :
On a collection of Indian Lepidoptera received from Lieut-Colonel Charles Swinhoe; with numerous notes by the Collector.
Proc. zool. Soc. Lond. 1883(2):144-175, pl.24.

Butler, A.G.,1883 : Descriptions of new Lepidoptera from the Viti Islands.
Ann. Mag. nat. Hist. (5)12:389-391.

Butler, A.G.,1884 : The Lepidoptera collected during the recent Expedition of the H. M. S. 'Challenger.' - Part II.
Ann. Mag. nat. Hist. (5)13:183-203.

Swinhoe, C.,1885 : On the Lepidoptera of Bombay and the Decan.
Proc. zool. Soc. Lond. 1885(1):124-148, pl.9.

Rothschild, L.W.,1915 : On Lepidoptera from the islands of Ceram (Seran), Buru, Bali and Misol.
Novit. zool. 22:105-144, 209-227.

Seki, Y., Takanami, Y. & Otsuka, K.,1991 : Butterflies of Borneo. Vol.2, No.1. Lycaenidae.
Tobishima Corporation.

♀, Chiang Mai, Thailand.

1999.07.04 - 2023.04.30.