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Strepsigonia kerbau sp. n.
Strepsigonia kerbau  (paratype) |
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12mm,
13-14mm. This species, and undescribed taxa from the Philippines,
Sulawesi (slide 2061) and the S. Moluccas (slide 2053) are closely
related to S. nigrimacula Warren (Peninsular Malaysia, Sumatra). The
forewing in the male is simply falcate, bifalcate in the female, the facies
uniform pale ochreous brown with fine, faintly darker fasciae. There is a darker
brown shade between the forewing discal spot and the costa in the medial zone.
All species have a bifid process on the eighth sternite rather like the horns of
ruminants. In kerbau these resemble buffalo horns whereas in nigrimacula
they are more as in a cow. The genital capsule is relatively broad: the
processes from the tegumen are longer and more slender than in nigrimacula.
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 2057.
Paratypes: 1 as holotype but Site 15; 4 (slide 2034), 1 general data as holotype but Site 13, Camp 2,
Mulu, 500m, 401464, mixed dipt. for.; 1 general data as holotype but Site 12,
February, FEG 2, Mulu, 200m 305469, mixed dipt. for.; 1 BRUNEI: 1618m,
Bukit Retak, montane forest, 14.4.79 (Lt. Col. M.G. Allen).
Geographical range. Borneo.
Habitat preference. Most material is from the upper zone of hill
dipterocarp forest at 500m and lower montane forest at 1000m, with one specimen
taken at 1618m.
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