Pseudocassyma uniformis sp. n.
12mm. The species is slightly larger than its two congeners, sundagraphoides
Holloway and retaka Holloway, and lacks the conspicuous dark
grey borders to the forewing and apex of the hindwing of those species.
The wings are a uniform, slightly reddish fawn, speckled with darker
reddish brown. The postmedials of both wings are finely punctate,
irregular in course. On the underside the borders distal to the
postmedials are darker brown than the rest of the wings, and there are
also narrow, irregular medial fasciae. The male genitalia are
distinguished from those of the other two species by having saccular
processes of the valves extending beyond the rather square valve apex; the
basal costal processes of the valve are as in retaka, but the
cornuti of the aedeagus vesica are much fewer, though still more numerous
than those of sundagraphoides.
Holotype . BORNEO:
Sabah, Danum Valley
5.01N, 117.47E, 15.x.1987, 150m (A.H. Kirk-Spriggs), light
trap sample, understorey forest, BM geometrid slide 18284.
Paratypes: 2
as holotype but different dates; 1
SABAH: Brumas, Paraserianthes
falcataria [plantation] 19.vi. 1991, in FRC, Sepilok.
Geographical range. Borneo.
Habitat preference. All material is from lowland forest, both natural and
plantation.
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