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Luxiaria submonstrata Walker 
Acidalia submonstrata Walker, 1861, List Specimens lepid. Insects Colln Br. Mus., 23: 772.
Nadagara nigripalparia Walker, 1862, Ibid. 26: 1687.
Luxiaria submonstrata Walker; Holloway, 1976: 78.

Luxiaria submonstrata

Luxiaria submonstrata

The species is smaller than all congeners except L. prouti Debauche. The male is a uniform medium grey, paler than Calletaera schistacea Swinhoe, but with similarly dark fasciae; the hindwing is more strongly crenulate. The underside is darker grey, more or less uniform. The female has the basal half of both wings paler, more conspicuously so on the underside. In both sexes pale submarginal markings on the underside are restricted to subapical sagittate marks in the male and a more continuous row in the female.

Taxonomic notes. The species probably does not occur east of Sundaland. L. celebensis Prout stat. n. is probably the sister-taxon, but has narrower uncus and a very short, quadrate subapical flange to the ventral arm of the valve. It is best regarded as a distinct species. Also in Sulawesi flies L. paganata Felder & Rogenhofer (L. leithra Debauche is probably a synonym) where the subapical flange is extremely large. Further taxa of the complex are found in Seram and New Guinea.

Geographical range. N.E. Himalaya, Sundaland.

Habitat preference. The species is common in lowland and lower montane forest, and is also recorded infrequently from the upper montane zone.

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