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Gyrtona
perlignealis Walker
Hypochalcia perlignealis Walker,
1863, List Specimens lepid. Insects Colln Br. Mus. 27: 46.
Gyrtona
perlignealis 
(Penang) |
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Diagnosis. The species is like a small obliqualis but with extensive creamy
fawn areas on the forewing as illustrated, with a distinctive dark apical
streak; the oblique margin to the basal zone is straight. The female genitalia
have the bursa copulatrix constricted subbasally, finely scobinate but without a
signum; the 8th segment is unmodified. No male has been found that could be
assigned reliably to this species.
Taxonomic note. G. rubropictalis Hampson is a closely related species found
from the Moluccas to the Solomons.
Geographical range. Sarawak, Penang I., Palawan, ?Andamans and Nicobars.
Habitat preference. Only the holotype and another female are known from
Borneo, both from Sarawak but without precise data.
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