Risoba harmani Holloway sp. n.

Diagnosis

♂♂ 18-19mm.

See thalasscura for diagnosis of facies and general comments on male genitalia. The male genitalia have a massively triangular costal process, slightly curved basad. The aedeagus is slightly sinuous with a ventral band of small spines over the distal half. The diverticulum of the vesica is moderate but still narrow with a row of about ten slender spines at its apex.

Holotype ♂

Ulu Temburong Expedition 1978, BRUNEI: Base Camp, 300m., m.v.light, 2.x.1978 (T.W. Harman), BM noctuid slide 16674.

Paratypes

• 2♂♂ Retak, LP 238, 1465 metres, BRUNEI, 21 & 23.iv.1981 (T.W. Harman)
• 1♂ BRUNEI: 30-60m, Labi, lowland forest and secondary veg., 12.1.80 (Lt. Col. M.G. Allen).

Geographical range

Borneo.

Habitat preference

As with the previous species, the material is divided between lowland and montane forest localities.

Genitalia: