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Ariola pallidithorax Warren
Ariola pallidithorax Warren, 1912, Novit. zool., 19: 46.
coelisigna Walker sensu Holloway, 1976, and Kobes, 1997: fig. 327.


Ariola pallidithorax

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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