Macotasa orientalis Hampson
1905, Ann. Mag. nat. Hist. (7),
1907, Ann. Mag. nat. Hist. (7), 19:
row of black spots on the yellow forewing of the female is diagnostic. The male
is more typical of the genus in appearance, but has the black costal mark
smaller than in other Bornean species; the forewing has a more orange tinge, and
the modified scales at the base of the costa are reduced.
note. M. dimorpha Hampson
(Philippines) is related, and shows similar sexual dimorphism, though the
association of such males with such females requires further confirmation
Peninsular Malaysia, Borneo.
males have been taken in the vicinity of Kuching, Sarawak, whilst, of three
females, two are from lowland forest at 300-350m in the Ulu Temburong of Brunei
and one is from about 600m at Poring, east of G. Kinabalu.
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