isoscelata Prout comb. n.
Trachea isoscelata Prout, 1926, Sarawak Mus. J. 3: 214.
isoscelata Prout; Holloway, 1976: 16.
and the next three species are all similar, with a darker central component to
the orbicular marking on the forewing. P. isoscelata has a marked dark
triangle just subtornally on the dorsum, and a basal black disc on the dorsum is
preference. The species was described from G. Poeh, Sarawak. It is frequent
on G. Kinabalu from 1620m to 1930m.
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