Ctenocolletes rufescens is a species of bee in the family Stenotritidae. It is endemic to Australia. It was described in 1983 by Australian entomologist Terry Houston.
The specific epithet rufescens (Latin: âÂÂbecoming redâÂÂ) refers to the beesâ rust-coloured .
The body length of males is 16 mm; that of females is 18âÂÂ19 mm.
The species occurs in southern Western Australia. The holotype was collected on Balline Station. Flowering plants visited by the bees include Melaleuca, Scholtzia, Hakea, Wehlia, Eucalyptus and Grevillea species.
The adults are flying mellivores.