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Gogana bornormalis sp. n

Gogana bornormalis (holotype)

Gogana bornormalis (paratype)

14-15mm, 16-17mm. This is a larger species than abnormalis but very similar in facies. Males have the dark zone at the forewing tornus broader, and the patch of scent scales on the hindwing is tinged greyish rather than being uniform cream. The female ground colour is paler, the fringes darker. In the male abdomen the bifurcations of the eighth sternite are shorter, separated by a rounded excavation rather than an acute notch. In the genitalia the saccus is shorter than in abnormalis and the valves are narrower. In the females of both species the bursa is constricted centrally but asymmetrically into basal and distal lobes, the former containing a prominent, scobinate, spine-like signum.

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 drepanid slide 2115.

Paratypes: 1 (slide 2127) general data as holotype but Site 23, April, W. Melinau Gorge, 250m, 430558 FEG 4, limestone forest; 1, 1 S.E. BORNEO (Doherty) May '91; 1 (slide 2126) Pulo Laut, BORNEO (Doherty) June '91; 1 Dutch West BORNEO, 85 miles above Pontianak (Simons et Meligan) (Sanggan) ex Janson, April 1909.

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