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Myrioblephara pallibasis sp. n.  

Myrioblephara pallibasis (paratype)

8-10mm. The wings are a rather uniform grey, lightly marked, but with a diagnostic pale basal zone. The fasciae are finely etched, those of the hindwing more or less parallel, closely enclosing the discal spot. The hindwing submarginal band is dark over the anterior half, intensifying to the centre of the wing but then becoming sharply paler over the posterior half. The male genitalia have a strongly sclerotised uncus and gnathus, the former tapering but apically expanded, bluntly bifid. The valves are deep as in bifida, with a semidetached costal arm, but this arm is shorter and the ventral margin of the valve evenly and strongly curved rather than somewhat triangular. The saccular process is long, slightly curved.

Holotype . SARAWAK: Gunung Mulu Nat. Park, R.G.S Exped. 1977-8 (J.D. Holloway et al.) Site 14, February, Camp 2.5, Mulu, 1000m, 413461 [lower montane forest], BM geometrid slide 10450.

Paratypes: 4 as holotype; 1 general data as holotype but Site 25, April, G. Api, 900m 427550, lower montane forest.

Geographical range. Borneo, Peninsular Malaysia, Sumatra.

Habitat preference. Bornean material is from lower montane forest.

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