Phazaca cesenaleuca sp. n.
The facies is much as in monticesena, but the white costal zone of the
hindwing is absent. The forewing postmedial is weaker and more divergent from
the distal margin towards the costa. There is also a submarginal row of black
dots: in monticesena these markings are linear and much closer to the
margin. The genitalia have the typical Phazaca features, but both distal
and ventral components of the valves are unusually short and broad, and the
transtillae are robust, upcurved. The aedeagus apex is marked by a lateral
obtuse spine opposed by a half-spiral band of saw-like teeth.
Holotype BRUNEI: 1618m, Bukit Retak, montane forest, 14.9.79 (Lt. Col. M.G.
Allen), BM uraniid slide 298.
Geographical range. Borneo.
Habitat preference. The unique specimen is from upper montane forest.
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