Miscellaneous Genera VI
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Chorsia colyeri sp. n. 
9mm, 8mm. The facies is similarly coloured to that of kingi, but the species is smaller. The costal triangles of the forewing are prominent, dark brown, equal in size, and a further wedge of dark brown in the centre of the wing posterior to the medial costal triangle distinguishes colyeri from other Bornean Chorsia except the next species. In the male genitalia the uncus has a rather clubbed dorsal process, with the apical part arising from a plate at the base of this and consisting of a long, slender spine with the apex flexed slightly downward. The valves are rather irregular in shape, broad at the base such that the whole genital capsule at this point is broader and more robust than in kingi. The aedeagus vesica is globular with minor diverticula, and is weakly scobinate.


Chorsia colyeri

Holotype . BRUNEI: 15m, Daerah Belait, Badas, swamp forest, 2 Feb ’82 (Lt. Col. M.G. Allen), BM noctuid slide 18157.

Paraypes: 1 BRUNEI: 30-60m, Labi, lowland forest and secondary veg. 12.4.81 (Lt. Col. M.G. Allen); 1 SARAWAK: Gunong Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D.Holloway et al.), Site 17, March, nr. Long Melinau, 50m. 313441, low secondary f. on river bank.

Geographical range. Borneo.

Habitat preference. All specimens are from lowland forest.

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