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Metanastria
gemella
Lajonquière
Metanastria
gemella Lajonquière, 1979: 686.
Diagnosis. The dark
medial zone with pale discal crescent on the forewing distinguishes males of
this species from other narrow winged brown species such as Suana. The female
has four pale bands on the forewing as in Lebeda species but the tone is redder
and there are no prominent dark patches subtornally.
Taxonomic notes:
The species is similar to the Indian subregion species aconyta Cramer, as
discussed in the generic account, but has the more distal postmedial fascia on the male
forewing much closer to the more basal one demarcating the dark medial
patch. Specimens from S. China share this feature. The medial dark area of the
forewing is broader in Bornean and Palawan males than in specimens from the rest
of the range. In the female (Palawan only) the medial area is broad at the
dorsum rather than tapering away to stop short of it or just contact it.
Geographical
range. Sundaland, Palawan, S. China.
Habitat
preference. All Bornean specimens have been taken in lowland forests, one in
mangrove. The two taken during the Mulu survey were in alluvial forest.
Biology. The
larva and host-plant range are likely to be similar to those for hyrtaca
described in the generic account.
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(Palawan)