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Ariola
pallidithorax
Warren
Ariola pallidithorax Warren, 1912, Novit. zool., 19: 46.
Ariola coelisigna
Walker sensu Holloway, 1976, and Kobes, 1997: fig. 327.
Diagnosis. The forewing division line has much shallower curvature than in
the previous three species, and may be broken centrally by two small dots from
the anterior dark green zone. Posterior to the pale dividing band, the dorsal
zone is a dull pale green rather than a darkish grey-green. The male abdomen
lacks lateral grooves, the uncus is acute and the valves rather narrow with a
relatively narrow costal zone of pegs. The female genitalia have a short, narrow
ductus and a small, circular bursa, easily detached in preparation.
Geographical range. Sumbawa (Tambora), Peninsular Malaysia, Sumatra, Borneo.
Habitat preference.
This species appears to be montane and rare, with
one specimen taken on G. Mulu (1790m) and two taken on G. Kinabalu (1620m;
without altitude).
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