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Sigmuncus
arcuata Hampson
comb. n.
Sadarsa arcuata Hampson, 1897, J. Bombay nat. Hist. Soc. 11:
454 ( )
Gyrtona camptobasis Hampson,
1897, Ibid. 11: 454 ( )
Sigmuncus
arcuata |
Sigmuncus
arcuata |
 |
Diagnosis. The males of arcuata have the forewing distinctively modified,
both in shape and venation (Fig. 11). The undescribed sister-species, flying in
Sulawesi and New Guinea, has the male unmodified. In both sexes forewing vein
R1 anastomoses with the areole to enclose a triangular space; albigrisea
does not show such anastomosis.
Geographical range. N.E. Himalaya, Sundaland, Philippines.
Habitat preference. The species has been taken infrequently in lowland,
lower and upper montane forest types.
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