Altha
adala Moore
Narosa adala Moore, in Horsfield & Moore, 1859: 418.
Altha adala Moore; Hering, 1931: 680.
Diagnosis. The forewings are more extensively shaded with dull orange than in the
other two species, somewhat squarer, and with a dark brown dot centrally. The
male genitalia lack an asymmetric juxta and have the distal half of the aedeagus
sparsely scobinate.
Taxonomic notes. A Balinese specimen is illustrated as the two Bornean males are worn;
they are somewhat larger.
Geographical range. Burma, Thailand, Java, Bali, Borneo; probably also in
Peninsular Malaysia and Sumatra. Hering (1931) included Tonkin, Sumbawa and
Sulawesi, but the last locality could be erroneous (Narosa sp. ?).
Habitat preference. Only two males have been taken in Borneo, from
lowland rainforest at Labi and Ulu Temburong in Brunei.
Biology. The larva was described by Horsfield & Moore (1859). It is
greenish white, ovate, without tubercles. The host-plant in Java is Annona (Annonaceae);
in Thailand the species has been reared from Mangifera (Anacardiaceae) (Pholboon
1965).
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