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Ercheia
kebea Bethune-Baker
Ercheia
kebea Bethune-Baker, 1906, Novit. zool.,
13: 249.
Ercheia
kebea borneensis Prout, 1919, Ann. Mag. nat. Hist. (9),
3: 176.
Melipotis
nigristriata Warren,
1914, Novit.
zool.,
21: 423.
Ercheia
albirenata Gaede, 1917, Stettin.
ent. Zeit. 78:
200, syn.
rev.
Ercheia kebea Bethune-Baker; Kobes, 1985: 37.
Diagnosis.
The general appearance is typical of the genus, but the forewings are easily
distinguished by the strong central projection to the dorsal margin between the
antemedial and postmedial. The forewings in the female are usually a uniform
grey brown but can be slightly more variegated with a longitudinal black streak
or extensively pale grey except for the basal area and the subapical semicircle
on the costa. In the much rarer males the forewing area distal to the antemedial
is often a distinctly paler grey except for the subapical costal mark and a few
smaller patches. The hindwings in both sexes have a central pale band rather
than dots.
Taxonomic
note. Poole (1989) treated albirenata
Gaede
as a good species, but Gaede, in his treatment of the genus in Gross-Schmett.
Erde 11, placed it as a synonym of kebea,
a decision confirmed by examination of the holotype (in MNHU, Berlin).
Geographical
range. Thailand (VK), Sumatra, Borneo, Seram, New Guinea, Queensland,
east to Fiji.
Habitat
preference. The only Bornean specimen taken in recent surveys is from
lowland forest at 60m in the Ulu Belait of Brunei. The original material of borneensis
was
from Bidi in the lowlands of Sarawak, there is a specimen from Beaufort in Sabah,
and the holotype of albirenata is a male collected in the Kinabalu area by
Waterstradt.
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