Specimens lepid. Insects Colln Br. Mus., 33: 1059.
falcata Pagenstecher, 1886, Jb. nassau. Ver. Naturk.,
Holloway, 1976: 38.
This and the next species have facies typical of the genus (see above), and show
sexual dimorphism. In males of subcostalis the fasciation is weaker than in the
female, and the forewing has distorted venation and paler patches over the
central part of the wing, whereas in hollowayi Kobes
the fasciae are pronounced in both sexes, but the male has the distal margin
excavate subtornally. The species can most reliably be distinguished by the
medial and postmedial fasciae of the hindwing: these converge towards the costa
run parallel towards it in subcostalis.
Peninsular Malaysia and Borneo to Solomons.
preference. The species is rare in the lowlands where it has been recorded
from primary forest, logged and cultivated areas. Chey (1994) found it generally
frequent in softwood plantations in the lowlands of Sabah. The highest record is
Kuroko & Lewvanich (1993) recorded Durio (Bombacaceae) and Nephelium
as host plants, the larvae feeding on young foliage.
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