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Syncosmia xanthocomes Prout comb. n.  
Rhinoprora xanthocomes Prout, 1926, J. Bombay nat. Hist. Soc., 31: 320.
Chloroclystis xanthocomes Prout; Holloway, 1976: 69.

Syncosmia xanthocomes
(x 1.33)

Syncosmia xanthocomes
(x 1.33)

Diagnosis. This and the next species has very similar dark brown fasciation on a bone-white ground, though the male of xanthocomes has the hindwing dorsum scrolled upwards. The fasciae of the forewing are more definite towards the costa in xanthocomes and reduced in intensity medially, but are generally of more even intensity in eurymesa Prout. The species are most reliably distinguished on genitalic characters. The males of eurymesa have the valves longer, more or less parallel-sided, basally rather rectangular, whereas in xanthocomes the valves are slightly sinuous, with the saccular angle more protruding. Female eurymesa have small pockets on each side of the ostium, with the neck of the bursa more convolute, the bulb more spherical.

Taxonomic notes. Also related to xanthocomes and eurymesa are S. eugerys Prout comb. n. (Seram, New Guinea) and S. seminotata Warren comb. n. (New Guinea).

Geographical range. N.E. Himalaya, Burma, Borneo, Bali.

Habitat preference. S. xanthocomes is rarer than the next, occurring with it at lower elevations: 1500-1930m on G. Kinabalu; 1780-1790m on G. Mulu.

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