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“Giaura”
niveidisca
Hampson
Argyrothripa niveidisca Hampson, 1894, Fauna Br. India, Moths, 2:
382.
Cletthara
triangularis
Hampson, 1894, Fauna Br. India, Moths, 2: 386.
Diagnosis. The pale fawn hooked mark on the otherwise dark brown forewing is
diagnostic.
Taxonomic note. Tymbal organs are lacking. The genitalia have a long,
slender tegumen that overlaps the vinculum, the latter giving rise to a long,
digitate saccus. The valves are short, their processes large, distally swollen
prior to the acute apex. Thus both facies and genitalia are distinctive within
the complex.
Geographical range. Himalaya, Burma, Peninsular Malaysia, Borneo,
Philippines, Sulawesi.
Habitat preference. The species is infrequent in lowland forest, and three
specimens were taken in lower montane forest on the limestone G. Api during the
Mulu survey.
Biology. Mathur (1942) recorded the larva as defoliating Pterospermum
(Sterculiaceae) in India.
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