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Tridrepana brunneilinea sp. n.
Tridrepana brunneilinea 
(paratype) |
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12-13mm,
 14mm. This species belongs to the albonotata group with
generally similar facies except the ground colour is pale brown and the
antemedial, postmedial and submarginal fasciae are linear rather than
punctate.
The forewing medial zone is suffused darker brown and the discal spots are
whitish as in other albonotata group species. The underside is a uniform
pale brown. The male genitalia differ from those of albonotata, microcrocea and
the related obscura Watson (Java, Bali, Sumatra, Peninsular Malaysia) in
the expanded bases to the processes of the uncus and the shape of the valves,
tapered over the distal half.
Holotype SABAH: Poring, 1800ft., E. of Mt Kinabalu, 20-23.1.1976 (E. W.
Classey), BM drepanid slide 2027.
Paratypes: 13 SARAWAK: Gunung Mulu
Nat. Park, R.G.S. Exped. 1977-8 (J.D. Holloway et al.) Sites 8,
(150m, G. Mulu), 14 & 15 (1000m, G. Mulu), 16 (70m, Long Pala), 23 (250m, W.
Melinau Gorge limestone), 25 (900m, G. Api); 1, 1 BRUNEI: 300m, Ulu
Temburong,
rainforest, 10.2.1980 (Lt. Col. M.G. Allen);1 BORNEO:
Sabah, Danum
Valley, 5.01N, 117.47E, 30.ix.1985, 150m (A. H. Kirk-Spriggs).
Geographical range. Borneo, Peninsular Malaysia (FRIM Colln).
Habitat preference. The species is frequent in lowland forest but also
extends strongly into the lower montane zone at around 1000m. It has not been
taken in heath forests.
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