♂ (wsf), Bac Giang, Vietnam.

ON : Papilio echerius Stoll, 1790 OD : in Cramer, Uitl. Kapellen Aanh. :140-141, pl.31, figs.1,1A,1B. TL : China (Hong Kong). Distribution : N.Vietnam, Hong Kong, S.E.China. ● ssp.paionea ● transition zone of echerius and paionea ● ssp.echerius

Papilio odin Fabricius, 1793 : Ent. syst. 3(1):56-57. TL. China.
Papilio coriolanus Fabricius, 1793 : Ent. syst. 3(1):284. TL. Indiis.
Lycaena xenodice Hübner, 1816 : Verz. bekannt. Schmett. (1):23.
Sospita lydda Hewitson, [1866] : Ill. exot. Butts. 3:[104], pl.[52], fig.13. (Dodona and Sospita) TL. Hong Kong.
Abisara echerius tonkinianus Fruhstorfer, [1904] : Berl. ent. Z. 48(4):285. TL. Montes Mau-Son, N.Tonkin.

[ VIETNAM ]
Abisara echerius tonkinianus ; Fruhstorfer,1914 : 781. (Tonkin: Manso Mts.)
Abisara tonkinianus ; Vitalis,1919 : 235. (Tonkin)
Abisara echerius ; Lemée,1950 : 17. ('Hagiang; Langson; Backan')
Abisara echerius tonkinianus f.vern.tonkinianus ; Metaye,1957 : 92. (N)
Abisara echerius echerius ; Callaghan,2009 : 70, figs.21,♂,♂(Un),22,♀,♀(Un). (N: Tonkin; Song Chai; Haut Lon Ca; Tam Dao; Bien Hoa: Bai Tu Long)
Abisara echerius echerius ; Monastyrskii & Devyatkin,2015 : 46. (N: Lang Son and northern areas near Chinese border)

[ VIETNAM ]
Bac Giang : 1♂.

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According to Callaghan,2009, there are specimens from Tam Dao and north of Hanoi that appear to be intermediate between ssp.echerius and ssp.paionea. Monastyrskii & Devyatkin,2015 restricted the distribution range of ssp.echerius to Lang Son and northern areas near the Chinese border. I tentatively follow them. Further taxonomic and distributional studies are needed.

Stoll, C.,[?1786]-1787-1791 : Aanhangsel van het Werk, de uitlandsche Kapellen, voorkomende in de drie Waereld-Deelen Asia, Africa en America, door den Heere Pieter Cramer, vervattende naauwkeurige afbeeldingen van surinaamsche rupsen en poppen;
als mede van veele zeldzaame en nieuwe ontdekte uitlandsche dag-en nagt-kapellen. Amsteldam, Nic. Th. Gravius.
(1):i-viii, 1-42, pls.1-8 ([?1786]-1787) ; (2):43-78, pls.9-16 (1790) ; (3):79-120, pls.17-24 (1790) ; (4):121-146, pls.25-32 (1790) ; (5):147-"384" [=184], pls.33-42 (1790) ; title-page (1791)

Fabricius, J.C.,1793 : Entomologia systematica emedata et aucta. secundum classes, ordines, genera, species, adjectis synonymis, locis, observationibus, descriptionibus.
3(1): [iv] + 488 pp. Copenhagen. C.G.Proft.

Hübner, J.,1816-1826 : Verzeichniss bekannter Schmettlinge.
Augsburg, Author. 431+72pp.

Hewitson, W.C.,[1862-1866] :
Illustrations of new species of exotic Butterflies, selected chiefly from the Collections of W.Wilson Saunders and William C. Hewitson.
3:iv + [124]pp, 60 pls. Van Voorst, London.

Fruhstorfer, H.,[1904] :
Verzeichnis der in Tonkin, Annam und Siam gesammelten Nemeobiinae und Libytheinae und Besprechung verwandter Formen.
Berl. ent. Z. 48(4):274-296.

Bennett, N.H.,1950 : A Revision of the echerius group of the Genus Abisara Felder (Rhop. Riodinidae).
Entomologist 83(1):1-9, (2):34-42.

Callaghan, C. J.,2009 : The Riodinid Butteflies of Vietnam (Lepidoptera).
J. Lep. Soc. 63(2):61-82. 64 figs.

Y.Inayoshi & K.Saito, 2009.07.31 - 2021.08.31.