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Nycteola indica Felder
Sarrothripa indica Felder, 1874, Reise öst. Fregatte Novara, pl. 106, fig. 9.
grisea Hampson, 1891, Illust. typical Specimens lepid. Heterocera Colln Br. Mus., 8: 87, syn. n.
Clettharra pallescens Hampson, 1893, Illust. typical Specimens lepid. Heterocera Colln Br. Mus., 9: 108.
Giaura strigivenata Hampson, 1905, Ann. Mag. nat. Hist. (7), 16: 542
Sarrothripus indica ab. atrithorax Strand, 1917, Arch. Naturgesch., 82 (A1): 82.
Sarrothripus indica
atrithorax Gaede, 1937, Gross-Schmett. Erde, 11: 391.


Nycteola indica

The forewings are a medium grey with slight variegation: a broadly based darker triangle in the centre of the costa with a paler patch at its apex; a submarginal row of darker dots increasing in size posteriorly. It lacks the darker zones on the dorsum of the next species. A variant (see below) has dark longitudinal streaking obscuring this variegation.

Taxonomic notes. Male and female genitalia indicate that grisea and indica are conspecific; indica females have a large appendix bursae, but otherwise the genitalia are very similar, with two conical signa in the bursa and an unusual pad-like structure at the base of the ductus. Both typical and the more streaky forewing forms (
strigivenata Hampson) are seen in Borneo as in Australia (Nielsen et al., 1996). The N.E. Himalayan taxon N. triangularis Gaede (ex Strand) is distinct, stat. n., and related to the Japanese N. costalis Sugi.

Geographical range. Sri Lanka; India, Burma, Borneo, Sumbawa, Australia (ssp. grisea).

Habitat preference. Three specimens have been taken at 1000m in the lower montane zone of G. Mulu and a fourth at around 1600m on G. Kinabalu.

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