, 11-14mm. The general facies is as in harmani but the species is larger and more strongly marked, particularly the broader bands on the wings, and the forewing discal yellow mark is more prominent. The underside is browner, particularly that of the hindwing, where the fasciation is much stronger. The male antennae are strongly noded centrally, and the forewing of that sex has a shallowly convex costal flap on the underside that extends to the postmedial, much further than in harmani. This species is probably closer in facies to nakatanii than is harmani, but both species have the forewing discal spot within or basal to the dark medial band rather than just distal to it as in nakatanii. The male antennae are not noded in nakatanii. In the male genitalia, the valve has a moderate, digitate saccular process with a rounded apex, but is particularly distinguished by an extensive external corema that is not seen in nakatanii. The aedeagus vesica is generally scobinate. The eighth sternite has a shallow central corema at its anterior end. The female genitalia resemble those of the next two species, with no general scobination and a signum at about three-fifths.
Holotype. BRUNEI: 300m, Ulu Temburong, LP 298, lowland forest, Sept / Oct 1978 (S.L. Sutton), BM noctuid slide 19672.
Paratypes: 1 (abdomen missing) LABUAN, Borneo (Pryer); 1 (slide 20072) INDONESIA: Borneo, Kalimantan Tengah, Barito Ulu 2001, at Busang / Rekut River Junction, 0° (176)38' S, 113° (176)59' E, viii.2001 (G. Martin).
Geographical range. Borneo.
Habitat preference. Two specimens are from lowland forest and the third is from a populated island.