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Euphalacra postmediangulata sp. n

Euphalacra postmediangulata

Euphalacra postmediangulata

10-12mm. The facies is somewhat as in trifenestrata and discipunctata, but the hindwing apex is slightly excavate, and the wings are more a uniform fawn with only faintly darker brown fasciation except for the oblique forewing postmedial that is angled just subdorsally. Its more anterior course is straight or slightly curved. In the male genitalia the species has a bifid uncus and forked socii. The valves are relatively short.

Holotype . MALAYSIA: Sabah, Danum Valley, 170m. 4.48N, 117.48E (S.J. Willott) Understorey, East Ridge, DVFC, 8.iii.93.

Paratypes: 1 general data as holotype but 2º Understorey, Bkt. Atur Rd., DVFC. 16.iii.94; 1 SARAWAK: Gunung Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D. Holloway et al.) Site 11, February, Camp 1, Mulu, 150m. 385470, mixed dipt. for., BM drepanid slide 2091; 1 SARAWAK as above but Site 21, March, W. Melinau Gorge, 130m, 423576, alluvial/kerangas bank, BM drepanid slide 2165.

Geographical range. Borneo, Peninsular Malaysia.

Habitat preference. All material is from lowland forest, including selectively logged forest.

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