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Rhesala
nigricans Snellen
Heterocgramma
nigricans Snellen, 1880, Tijdschr. Ent.,
23: 136.
Rhesala
malayica Hampson, 1926, Descr. Gen. Spec. Noctuinae:
277, syn.
n.
Diagnosis.
This is a much smaller species than imparata, with a more obtusely angled and transverse forewing
postmedial, set more distally, as is that of the hindwing. The male genitalia
are characterised by an unusually short and broad uncus and narrow, tongue-like
valves with a similarly elongate and semidetached saccular portion.
Taxonomic
note. The facies and male genitalia of the taxa brought into synonymy
are identical.
Geographical
range. Sulawesi, Borneo.
Habitat
preference. The holotype is from Pulo Laut. The species was recorded
frequently in upper montane forest at 1780m on G. Mulu and in small numbers at
900m and 1200m on G. Api. Singletons were taken in alluvial forest at 50m near
G. Mulu and at 500m in hill dipterocarp forest on its slopes.
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