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Episparis
costistriga Walker
Amphigonia
costistriga Walker,
1864, J.
Linn. Soc. (Zool.), 7: 184.
Episparis
sora Swinhoe, 1889, Proc. zool. Soc. Lond.,
1889: 415.
Episparis
costistriga Walker;
Holloway, 1976: 39.
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Episparis
costistriga 
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Diagnosis.
This and the next species are similar in facies, but exprimens Walker
has extreme mauve highlights, particularly at the margins of the wings, that
define a diagnostic brown semicircle at the anterior half of the forewing margin
and emphasise the smoother, less angular submarginal on the hindwing. The
hindwing angle is much more produced in costristriga.
Geographical
range. Himalaya,
Sundaland, Balabac.
Habitat
preference. The species is often abundant in lowland forest, including
secondary forest and softwood plantations (Chey, 1994), and occurs more
infrequently up 1930m.
Biology.
Mitragyna
(Rubiaceae)
has been recorded as a larval host (Robinson et al.,
2001).
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