TRIBE ARCTORNITHINI n.
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Arctornis rufimarginata Swinhoe comb. n. 
    Leucoma rufimarginata
Swinhoe, 1903, Trans. ent. Soc. London, 1903: 383.


Arctornis rufimarginata


Diagnosis.
This is a small, rather delicate species with relatively deep forewings. The wings are a uniform, slightly creamy white with golden-brown fringes and forewing costa. There is a weak discal dot. The palps are golden-brown, the frons completely rufous brown. The legs are unspotted. The male genitalia have the uncus narrow. There is a diagnostic spur at the centre of the valve costa and a longer spine at the base of the sacculus.

Geographical range. Borneo, Peninsular Malaysia (female only).

Habitat preference. The original material was from the low-lying island of Pulo Laut. Three specimens were taken in hill dipterocarp forest at 150m and 500m (2) on the slopes of G. Mulu.

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