Eumeta horsfieldi Moore, 1859, in Horsfield & Moore, Cat.
Insects in Mus. Hon. E. India Co. 2:
Brykia horsfieldi Moore; Kiriakoff 1968: 37.
Brykia ferruginea Nakamura, 1976: 41, syn. n.?
Diagnosis. The species has a characteristic dark streak with a white (or sometimes
fawn) crescent distad submarginally in the centre of the forewing.
Taxonomic note. B. ferruginea Nakamura is tentatively included as a synonym as the
original illustration is indistinguishable from horsfieldi and the
genitalia characters used to distinguish the two species are variable and
subject to distortion in preparation.
Geographical range. Sundaland.
Habitat preference. The species is frequent in various lowland forest
types including dry kerangas and swamp forest; it was not recorded in lowland
limestone forest on G. Api in the Mulu National
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