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Orthorisma netunaria Guenée  
Hypochroma netunaria Guenée, 1857, Hist. nat. Insectes, Spec. gen. Lep., 9: 279.
Terpna crassistriga Warren, 1896, Novit. zool., 3: 361.
Actenochroma unicolor Warren, 1899, Ibid, 6: 17.

Orthorisma netunaria

The pale olivaceous brown wings are speckled with black and traversed by rather fine, irregularly crenulate and angled, black fasciae. The forewing postmedial has a distinct, obtuse, central angle.

Geographical range.
Borneo, Natuna Is., Sumatra.

Habitat preference. The species is very rare. In recent surveys single specimens have been taken at 150m (hill dipterocarp forest) and 1000m (lower montane forest) on G. Mulu and in forest at 60m in Ulu Belait, Brunei.

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