Pseudostauropus plagosus Gaede,
1930: 631; Kiriakoff 1968: 167.
Diagnosis. The species resembles C. singapura but is smaller, with the
forewing whiter, less distinctly fasciated, but with dark zones subapically and
(smaller) subbasally on the costa.
Taxonomic notes. The male genitalia illustrated by Kiriakoff (1968) for this species have
nothing to do with it; they are in fact those of Schoutenia bivittata Kiriakoff
(see Kiriakoff 1970: 107). The valve structure and forewing facies are similar
to those illustrated for Thaila cinerascens Kiriakoff (1974: 446) from
Thailand, though are not identical. The two taxa are undoubtedly congeneric,
therefore Thaila Kiriakoff is placed as a synonym of Pseudostauropus Gaede,
syn. n., and the Thailand species becomes Pseudostauropus cinerascens Kiriakoff,
Geographical range. Peninsular Malaysia, Sumatra, Borneo.
Habitat preference. The species is rare, recorded from lower montane
forest on G. Mulu, at 450 m in hill dipterocarp forest Ulu Temburong, and from
upper montane forest at about 1600 m on Bukit Retak and Bukit Pagon.
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