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Eurychoria trajecta Prout stat. n.
Eurychoria perata trajecta Prout, 1932, J. fed. Malay States Mus., 17: 94.
Eurychoria perata trajecta Prout; Holloway, 1976: 75.

Eurychoria trajecta

This species could be confused with Platycerota balia (See Platycerota balia). It is best distinguished by the yellowish tinge to the underside.

Taxonomic notes. Originally described as a subspecies of perata Prout, this species has male genitalia that indicate it is best treated as a distinct species. There is a scobinate basal process on the valve costa that is lacking in perata. The furca consists of a pair of broad, sickle-like processes, whereas in perata two long, slender, straight processes flank a much shorter central pair.

Geographical range. Borneo, Peninsular Malaysia.

Habitat preference. The only Bornean records are from G. Kinabalu. It is infrequent in upper montane forest (1500-1930m).

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