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Cyana malayensis Hampson  
Chionaema malayensis Hampson, 1914, Cat. Lepid. Phalaenae Br. Mus. (Suppl.), 1:622.
Chionaema malayensis Hampson; Holloway, 1976: 3.
Cyana palawanensis Kishida, 1991, Tinea, 13(8): 64.

Cyana malayensis
(approx. lifesize)

Cyana malayensis
(approx. lifesize)

Diagnosis. The facies is similar to that of cruentata but the wedge basal to the discal spots is red and only present in the male. The postmedial and antemedial are rather oblique, sinuous.

Taxonomic note. The male genitalia of this and the next two species are very similar, distinguished by setation of the rather broad distal process of the sacculus, and subbasal angling or lobing of its dorsal margin; the aedeagus vesica lacks cornuti. Females have a rather elongate, corrugate bursa without an appendix.

Geographical range. Peninsular Malaysia, Borneo; Palawan (ssp. palawanensis).

Habitat preference. The species has a similar occurrence to perornata but was taken most abundantly in dipterocarp forest at 150m at the foot of G. Mulu.

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