Miscellaneous Genera II
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Ugia viridior sp. n.
, 24-26mm. The ground colour is similar to that of eugrapha but the species is very much larger, more suffused with darker, somewhat greenish brown and with narrower oblique fasciae that are edged paler basad. The markings are thus closer to those of disjungens, which is also slightly smaller and grey; the stigmata of fore- and hindwings are more conspicuously present in viridior. The male genitalia are very similar to those of other Bornean species, except the distal section of the valve is perhaps slightly narrower, with the angle on its ventral margin near the centre rather than more subbasal.

Ugia viridior

Holotype . SARAWAK: Gunong Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D.Holloway et al.), Site 8, February, Camp 1, Mulu, 150m, 385470, mixed dipt. for., BM noctuid slide 10780.

Paratypes: 4 general data as holotype but Sites 13 (3; February, Camp 2, Mulu, 500m, 401464, mixed dipt. for.;) and 21 (1; March, W. Melinau Gorge, 130m. 423576, alluvial / kerangas bank); 20, 1 BORNEO: Sabah, Danum Valley, 5°01' N, 117° 47' E, [various dates] ix, x.1987, 100m and 150m (A.H. Kirk-Spriggs); 3, 1 BRUNEI: 30-60m, Labi, lowland forest and secondary veg. [various dates, 1978-80] (Lt. Col. M.G. Allen); 3♂♂ (slide 15944) BRUNEI: 300m, Ulu Temburong, rainforest [various dates, 1978-79] (Lt. Col. M.G. Allen); 2 BRUNEI: 400m, Tutong, Bedawan, rainforest, 11.12.79 (Lt. Col. M.G. Allen).

Geographical range. Sumatra, Singapore, Borneo.

Habitat preference. The commonest Bornean Ugia in recent surveys, viridior is a lowland forest species that has not been taken above 500m. During the Mulu survey it was more common in wet heath forest, but is also abundant in dipterocarp forest at the Danum Valley Field Centre in Sabah.

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