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Myrioblephara bifida sp. n.  
Myrioblephara simplaria Swinhoe, sensu Holloway, 1976: 82.

Myrioblephara bifida (paratype)

13-15mm. This is a smaller species than simplaria, with the hindwing postmedial angled close to the discal spot as in the Himalayan M. idaeoides Moore rather than broadly looped round it. It is a much darker grey, with a prominent round white patch set centrally in the forewing submarginally. The forewing postmedial is angled at one third from the costa rather than more or less straight. The male genitalia are distinctive with a slender, bilobed uncus, a deep valve with a slender, curved costal arm and a straight saccular process.

Holotype . SARAWAK: Gunung Mulu Nat. Park, R.G.S Exped. 1977-8 (J.D. Holloway et al.) Site 4, January, Camp 4, Mulu, 1790m, 452463 [upper montane forest], BM geometrid slide 13217.

Paratypes: 2 as holotype but Site 1; 1 SABAH: Mt. Kinabalu, 5500ft, 17-19.1.1976 (E.W. Classey) BM 1976-116; l (slide 9319), 3 SABAH: Mt. Kinabalu, Power Station, 1930m, and 1 SABAH; Mt. Kinabalu, Park H.Q., 1620m, Cambridge Expedition to Mt. Kinabalu 1965 (H.J. Banks, H.S. Barlow & J.D. Holloway).

Geographical range. Borneo.

Habitat preference. This species is much less common than simplaria but occurs over a similar range of altitude.

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