The Mahathala ameria, the falcate oakblue,[2][3] is a species of blue butterfly, of the family Lycaenidae found in South-East Asia.
Range
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The butterfly occurs in India from Bengal to Assam, the Khasi Hills, and other parts of north-east India into southern Myanmar, Thailand, Laos and Java. It is also found in western and southern China, Hainan and Taiwan.[2]
Subspecies
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M. a. ameria West China, Bengal, Assam, Burma
M. a. zistra Fruhstorfer, 1908 - Thailand
M. a. javana Fruhstorfer, 1908 - Java
M. a. hainani Bethune-Baker, 1903 - Indo China, South China, Hainan, Taiwan
^Hewitson, 1862 Specimen of a Catalogue of Lycaenidae in the British Museum Spec. Cat. Lep. Lyc. B. M. : [4],[1],2-15, pl. I-VIII,[1-8] (links to Ill. diurn. Lep. Lyc.)