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Goniopteroloba caeruleata sp. n.  

Goniopteroloba caeruleata (paratype)

11mm. The wing shape is typical of the genus. The colour is rich, dark reddish brown, with darker fasciae as illustrated. The fasciae consist of a clearer reddish brown band edged on each side narrowly by dark brown. Flanking these fasciae and at the wing margins are irregular, rather linear, pale blue markings, also lined with dark brown. There is a similar, rather zig-zag submarginal pale blue fascia on both wings. In the male genitalia, the uncus and divided valves resemble those of biconjuncta and the next species, but the notch at the apex of the uncus is much narrower, the gnathal arms distinctly angled subbasally, and the central part of the valve is relatively much larger and broader.

Holotype . SARAWAK: Gunung Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D. Holloway et al.) Site 2, January, Camp 4, Mulu, 1790m. 452463. [upper montane forest] BM geometrid slide 10801.

Paratypes: 2 as holotype but Site 3, 1780m, 453463; 1 SABAH: Mt Kinabalu, 5500ft 23-24: 1976; l BORNEO, Sabah, Kinabalu Nat. Park (M.J. & J.P. Duffels) Headquarters area, Kiau Vieuw Trail 1560m 18.xi. 1989 (Univ. Mus. Amsterdam); 1 BORNEO as above but Headquarters area, 1560m, 17.xi. 1989; l SABAH (N. Borneo): 10km NE Keningau, 1300m, 5.iv.1987 (C. Herbulot) (in colln Herbulot).

Geographical range. Borneo.

Habitat preference. All specimens were taken at around 1500-1800m in montane forest.

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