Ctenocolletes tricolor 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 tricolor (Latin: âÂÂthree-colouredâÂÂ) refers to the colours â orange, white and dark brown â of the .
The body length of males is 18 mm; that of females is 19 mm.
The species occurs in southern Western Australia. The holotype was collected 8 km south of Yellowdine. Flowering plants visited by the bees include Melaleuca, Wehlia and Grevillea species.
The adults are flying mellivores.