Heterostegania balia Prout,
1932, J. fed. Malay States Mus., 17: 83.
Platycerota balia Prout; Holloway, 1976: 75.
Diagnosis. This species, with the exception of a single aberrant specimen, lacks
the typical fasciation of the genus, which led to it being described in Heterostegania
Warren. The ground colour is dull pale orange (paler in the female), more or
less totally suffused with brown to appear reddish. The paler ground is exposed
in apical, discal and antemedial patches in the forewing and in an irregular
post-discal zone of the hindwing. The extent of these patches varies but is
usually greater in the female.
Geographical range. Borneo, Sumatra (Heterocera Sumatrana collection).
Habitat preference. Originally described from G. Kinabalu, this species
is also known from G. Mulu in Sarawak and Bukit Retak and Bukit Pagon in Brunei.
It is frequent in upper montane forest (1500-2110m).
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