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Elusa
ustula Hampson
Elusa ustula Hampson,
1909, Ann. Mag. nat. Hist. (8), 4:375.
Diagnosis. This
is the smallest Bornean species. The male antennae are typically nodular. The
forewings are deep, rich brown, only weakly marked. The male eighth sternite is
only weakly corematous as in the previous two species. The uncus is
hammer-headed, the valves rather tapering and with fine setae over most of the
surface; the harpe is strong, simple, curved, and there is no corema. The
aedeagus has an oblique row of short spines near the apex and a mass of coarse
spines at the distal end of the vesica.
Geographical
range. Peninsular Malaysia, Borneo.
Habitat
preference. Bornean
material is from lowland forest at Semongok, near Kuching, Sarawak, and from
alluvial forest near the Melinau Gorge. The species is rare.
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