Pena costalis Walker, 1863, List Specimens lepid. Insects
Colln Br. Mus., 27: 130.
Leiocera ferrisparsata Hampson,
1893, Illustr. typical Specimens Lep. Het. Colln Br. Mus.,
Eupithecia costalis Walker;
Holloway, 1976: 67.
Diagnosis. The species differs from congeners in having dark fasciation on a pale
ground rather than the reverse. The forewing postmedial is M-shaped, and the
hindwing has a series of parallel fasciae that are more or less straight except
for a subcostal flexure.
Geographical range. Borneo, Peninsular Malaysia, Indian Subregion, Hong
Kong, Taiwan (ssp. ferrisparsata).
Habitat preference. A single specimen was taken in a cultivated area at
Bundu Tuhan (1200m) on the slopes of G. Kinabalu. The type material of costalis
was probably from the lowlands.
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