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Published online by Cambridge University Press: 31 May 2012
Chrysops cuclux.
♀. Length 6½—9 m. m. Face and cheeks black, shining, separated by yellow pollinose stripes. Frontal callus black, ocellar space blackish ferruginous, the yellow pollen between somewhat infuscated. Palpi blackish ferruginous. Antennæ : first two joints yellow, the second infuscated; third black, base fulvous.