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Gunda javanica Moore
Norasuma javanica Moore, 1872, Proc. Zool. Soc. Lond., 1872: 375.
Norasuma richteri Weymer, 1890, Dt. ent. Z. Iris., 3: 34, syn. n.
Gunda javanica palawana Schultze, 1925, Philipp. J. Sci., 28: 569.
Gunda tonkinensis Lemee, 1950: 36, syn. n..
Norasuma javanica Moore; Barlow, 1982: 46.
Diagnosis. The male is darker, more uniform brown than ochracea with a
distinctive longitudinal streak and subapical pale zone on the forewing. This
pale zone is evident in the paler female, but more faintly: the fasciation is as
in the male but without the dark longitudinal streak. The species is
distinguished from similar congeners by the acute apex to the valve (cf.
excavate) and the presence of a spur distally on the sacculus.
Taxonomic
notes. There is some variation in development of the double interior flange of
the processes of the eighth sternite through the range of the species. There are
two related species: thwaitesii Moore ( + apicalis Hampson, syn. n.),
from Sri Lanka, with a pentagonal male eighth tergite; an undescribed species
from S. India with an H-shaped eighth tergite.
Geographical range. N.E. Himalaya, Burma, Sundaland, Palawan, Sulawesi.
Habitat preference. Bornean material has all been taken in lowland rainforest
localities.
Biology.
The larva of the related species for S. India is described in the generic
account.
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