Orvasca sp. 1721
A single worn male (12mm) with yellow forewings and grey hindwings was
taken at 500m on G. Mulu in hill dipterocarp forest. The genitalia have the
process ventral to the uncus bifid as in rufalba and primula, rather
than typically rugose. The saccular flap is broad, unusually bifid, but is not
setose. The valves are ventrally axe-like, with only a slender, erect dorsal
arm.
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