Drepana pulcherrima Hampson,
1893, Fauna Br. India (Moths), 1: 339.
Callidrepana praeusta Warren,
1922, Gross-Schmett. Erde, 10: 471, syn. n.
Diagnosis. Males are dark brown, lacking strong fasciation, and are also
distinguished by the large, slightly paler, bilobed discal spot on the forewing
and more conspicuous, irregular, pale submarginal patches on the hindwing. The
female is larger, paler, with emphatic dark brown postmedials: the discal patch
of the forewing is similar to that of the male though weaker. The sexual
dimorphism is seen also in the falcation of the forewing: weak only in the male
but emphatic in the female, with the margin generally more convex than in other
species, contrasting with the acute, narrow apical hook. The black submarginal
dots of the forewing are much nearer this margin in both sexes compared to other
Taxonomic notes. The sexual dimorphism of this species led to females being described
separately as praeusta. The structure of the male genitalia indicates
affinity with the next species.
Geographical range. Burma, Peninsular Malaysia, Sumatra, Borneo.
Habitat preference. All records are from lowland dipterocarp forest, but
the species is uncommon.
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