TRIBE NYGMIINI n.
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Orvasca kilanas sp. n.  


Orvasca kilanas (holotype)


9-10mm. The facies has some similarity to that of male Somena similis, but the reddish grey-brown zone of the forewing is paler, with an angled band of yellow more or less medially as illustrated: the boundary between this dark zone and the yellow margin is slightly more irregular and less clearly defined, and there is a fine, curved, yellow fascia just within the dark zone. The genitalia indicate a relationship to the previous two species: the dorsal process of the valve is much shorter, but oriented as in ashleyi. The ventral arm is more as in waterstradti, but with an acute apex and a more strongly curved ventral margin.

Holotype 21.3.81, BRUNEI, field collected, Kilanas Agric. Stn. (Jamalludin) BM lymantriid slide 2566.

Paratype  BRUNEI: 5m, Telisai, heath forest and mangrove, April 1981 (Allen & Harman), BM lymantriid slide 2756.

Geographical range. Borneo.

Habitat preference. Both specimens are from the lowlands.

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