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Labanda umonea sp. n.


Labanda umonea

13-15mm. This species has a similar proportion of pale green and black on the forewing as palliviridis but the markings, especially the fine black transverse fasciae, are more crisply defined. The fasciae are further apart, and the postmedial is angled rather than having a squarish course around the discal spot. A fine white submarginal line cuts off the forewing apex, with a similarly oblique component parallel and posterior to it. The black antemedial has a narrow green band and then a broader black one basal to it. The male genitalia are similar to those of the previous three species but have the valve costal process more tapering and acute. The aedeagus vesica (not everted) appears to contain a single row of cornuti. The name is derived from the Guenée specimen listed below.

Holotype . BRUNEI: 100m, Ulu Temburong, Kuala Belalong F.S.C., lowland dipt. forest, 4-16.vii.1991 (G.S. Robinson) BM noctuid slide 16722.

Paratypes: 1 BRUNEI: Lamunin, 27.xi.1992 (G. Ping); 1 BRUNEI: 3m, Mumong, secondary forest and coastal veg., 23.11.1979 (R. Fairclough); 1 BRUNEI: 30-60m, Labi, lowland forest and secondary veg., 10.9.1979 (Lt. Col. M.G. Allen); 1 BRUNEI: 1700ft., Bt. Bedawan, LP263, GR343958, ridge dipterocarp forest, 20-24.iv.1988 (G.S. Robinson); 1G BORNEO: Sabah, Danum Valley, 5°01’N 117°47’E, 13.ix.1987, 150m (A.H. Kirk-Spriggs); 1 MALAYSIA: Sabah, Danum Valley, 170m, 4°58’N 117°48’E (S.J. Willott), 2° Understorey, Bkt. Atur Rd., DVFC 24.viii.93; 1 BORNEO, ex Musaeo Ach. Guenée, G. umonea Gn.

Geographical range. Borneo.

Habitat preference. The species has been taken is a variety of lowland forest types up to 500m.

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