Hampson, 1891, Illust. typical Specimens Lep. Het. Colln. Br. Mus.,
Warren, 1900, Novit. zool., 7: 105, syn. n.
Diagnosis. This species and I. egenaria Walker following have a strong band
postmedially to submarginally on the forewing, and over a much broader area on
the hindwing. In egenaria this pattern is more contrasted because of the
pale fawn ground colour, and the forewing band is truncated, only represented by
its posterior half. A female of violacea is illustrated. Males have the
forewing dorsum produced in a prominent posterior tooth that extends to the
centre of the hindwing.
Taxonomic notes. The holotype of carneofasciata (Java) is indistinguishable from
females of violacea. The latter is the type species of Andragrupos. The
male second sternite lacks ornament, but there are coremata at the bases of the
valves of the genitalia. The aedeagus vesica contains a row of large cornuti.
The bursa of the female is somewhat spiralled, fluted, with spining down the
axis of the spiral.
Geographical range. India, Nepal, Hainan, Java, Peninsular Malaysia
(Barlow colln), Borneo.
Habitat preference. Bornean material is all from lowland localities,
three females from Semengok near Kuching and a fourth from an Acacia mangium plantation
at Brumas in Sabah.
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