Cleora periphracta Prout, 1926, Sarawak Mus. J., 3: 202.
Alcis periphracta Prout; Holloway, 1976: 81.
Diagnosis. This and the next species have similar facies, with the medial area
clearer of brown variegation than the rest of the wings, but praevariegata has
this area a distinct, pale yellow, and the pale zone is more extensive on the
Taxonomic notes. This species is very closely related to A. colorifera Prout
(Peninsular Malaysia, ?Sumatra) sharing features such as the short, setose valve
process, ring-like distal part of the juxta, strong socii and a cornutus in the
aedeagus vesica rather than a spine on the aedeagus itself. A. colorifera is
a richer brown, less variegated species with a shorter cornutus, narrower
cucullus and less strongly ringed juxta. A. nilgirica Hampson from S.
India also belongs to this group.
Geographical range. Peninsular Malaysia, Borneo.
Habitat preference. Records have been made from 500m to 1930m. The
species is perhaps most typical of the lower montane zone at about 1000m on G.
Mulu, though it has been taken frequently at about 1600m on Bukit Retak, Brunei.
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