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Hypersypnoides submarginata Walker
Sypna submarginata Walker, 1865, List Specimens lepid. Insects Colln Br. Mus., 33: 941.
Hypersypnoides submarginata sumatrensis Berio in Berio & Fletcher, 1958: 370.
Hypersypnoides ochreicilia Hampson var. borneensis Berio; Holloway, 1976: 31, partim.
Hypersypnoides (Othresypna) submarginata sumatrensis Berio; Kobes, 1985: 75.

Hypersypnoides submarginata

Berio & Fletcher noted that this species was externally very similar to the next two, though lacking the more distinctive orange-yellow apical section of the hindwing marginal fringes seen in the next one, these being intermediate, as is the development of the discal spot on the forewing. The underside is also intermediate in contrast to the other two, closer to that of borneensis Kobes, but having the marginal pale zone more interrupted centrally on fore- and hindwings. Females can have the forewing upperside more variegated, resembling the Sumatran H. undina Kobes. In the male genitalia the uncus is shorter and deeper, with a marked peak, than in the next two species. The valve resembles that of borneensis but is slightly more produced apically. The aedeagus has a long row of spines running into the vesica which itself bears further groups of spines.

Geographical range. India, China, Taiwan, Borneo, Java; Sumatra (ssp. sumatrensis).

Habitat preference.
All records except one are from G. Kinabalu, including old material collected by Waterstradt and specimens from 1500m to 1930m noted by Holloway (1976) under ochreicilia. The exception is a female from 1500m on G. Api as for the next species.

Biology. A larva attributed to this species was illustrated by Mutuura et al. (1965). It is irregularly mottled and variegated in brown and white, with a general impression of longitudinal banding. The head is broader and higher than the thorax.

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