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Hypopyra pallidigera sp. n. 
35mm, 38mm. This and the next species are related to H. ossigera Guenée (India), lacking in the male the dense scale tufts on the legs seen in pudens. This species has a paler, fawn ground colour with faintly darker blackish brown fasciation typical of the genus. The forewing apex grades distinctly darker, and the marginal darkening is restricted to the fringes rather than grading more broadly inwards. A strong black discal mark is present in the holotype but is very small in the female paratype and absent from a Sumatran male with otherwise identical facies. The underside is a rich orange-red with darker suffusion and fasciation in this and the next species, as well as in ossigera and also H. feniseca Guenée (N. India) and H. spermatophora Hampson (Assam); in pallidigera the hindwing medial fascia is distinctly straighter than in these other species. In the male genitalia the valves lack the strong outward flexure of ossigera, and the transverse central flange is shorter, not extending to the ventral angle of the apex. The stem of the uncus is more slender, with greater curvature. Those of feniseca are more similar, but the valve apex is more rounded, the transverse flange shallower but with a slightly larger spur; the uncus is as in ossigera.

Hypopyra pallidigera

Holotype . Ulu Temburong Expedition, 1978, BRUNEI, Base Camp, 300m. m.v. light, 11.x.1978 (T.W. Harman), BM noctuid slide 18849.

Paratype.s: 1 Sintang, BORNEO, inland of Pontianak, March 1910, (Dr Martin); 1 Lawas, N. BORNEO, (A. Everett), iv.[18]92.

Geographical range. Borneo, Sumatra (HS / K).

Habitat preference. The only specimen with precise data is from lowland dipterocarp forest but the other two are also from the lowlands.

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