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Asura fulguritis Hampson  
Asura fulguritis Hampson, 1900, Cat. Lepid. Phalaenae Br. Mus., 2: 450.
Asura birivula Hampson, 1900, Cat. Lepid. Phalaenae Br. Mus., 2:450, syn. n.

Asura fulguritis  
(Kinabalu form, in USNM)
(x 1.67)

Asura fulguritis  
(x 1.67)

Asura fulguritis  
(typical, Pulo Laut)
(x 1.67)

The facies is more typical of Lyclene Moore species (see below), with greyish brown lineation on yellow, but the basal zone of the forewing has a characteristic ‘stomatal’ pattern, and there are two fasciae between that and the submarginal longitudinal streaks, rather than one as in the biseriata Hampson group.

Taxonomic note. Male genitalic features are as in Asura, and are not distinct between the two taxa brought into synonymy. The two differ in the postmedial fascia which is distally bidentate in fulguritis but unidentate in birivula. The two forms appear to occur together in Pulo Laut, perhaps as a variable population. A series in USNM from 1530m 1km south of Kundasang on the slopes of G. Kinabalu has the medial fascia closely associated with the postmedial, but the male genitalia are as in other material. All three forms are illustrated.

Geographical range. Bali, Java, Sumatra, Pulo Laut; Borneo (incl. Pulo Laut), Peninsular Malaysia (ssp. birivula).

Habitat preference. The species is frequent in lowland and lower montane forest, recorded up to 1530m.

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