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Hyposidra
infixaria Walker
Lagyra infixaria Walker, 1860, List Specimens lepid.
Insects Colln Br. Mus., 20: 60.
Macaria aquilaria Walker, 1862, Ibid., 26: 1682 (praeocc.,
see above).
Chaerodes umbrosa Swinhoe, 1890, Trans. ent. Soc. Lond., 1890:
203.
Hyposidra virgata Wileman, 1910, Entomologist, 43: 347.
Diagnosis. The ground colour is pale yellowish or pinkish fawn, marked finely in
rich brown or reddish brown. Many specimens have a longitudinal subcostal line
in this colour. On both wings the postmedial appears double, the interior
component more regular than the outer, that of the forewing more or less
straight.
Taxonomic notes. There is great variation in wing colour, presence or absence of the
subcostal line and, in the male genitalia, the length, robustness and curvature
of the process on the valve sacculus. Facies and genitalic variation appear to
be independent, nor could a geographic basis for it be detected in the fifteen
specimens dissected. A further study of this complex situation will be
undertaken for Heterocera Sumatrana by D. Stüning and M. Sommerer.
Geographical range. N.E. Himalaya to Taiwan and Sundaland.
Habitat preference. All Bornean material seen has been from lowland
forest.
Biology. The larva has been reared in Hong Kong by M.J. Bascombe (pers.
comm.). It is speckled brownish grey with transverse rows of whitish dots in
the final instar. These white markings are more extensive and conspicuous in
earlier instars (above).
The species has been reared from guava (Myrtaceae), Desmos (Annonaceae),
Buchanania (Anacardiaceae) and Punica (Punicaceae) (Pholboon,
1965; M.J. Bascombe, pers. comm.; unpublished IIE and Forest Research
Institute of Malaysia records).
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