The Eugoa Walker group of genera
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Trischalis subaurana Walker 
Tospitis subaurana Walker, 1863, List Specimens lepid. Insects Colln Br. Mus., 28: 432.
Pallene? metalligera Butler, 1892, Ann. Mag. nat. Hist. (5), 10: 226.

Trischalis subaurana
(x 1.56)

This and the next species have a similar forewing pattern of arcuate grey markings on yellow, with some iridescent elements. In Bornean subaurana the subcostal grey arcuate zone that extends the length of the wing is broad, unbroken, though this band is narrower in material from other localities. See diagnosis of the next species.

Geographical range. Indo-Australian tropics from the N.E. Himalaya and Hainan to the Bismarcks.

Habitat preference. The species is uncommon in forests from the lowlands to the lower montane zone at about 1000m.

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