Trichocolletes tenuiculus is a species of bee in the family Colletidae and the subfamily Colletinae. It is endemic to Australia. It was described in 1931 by Australian entomologist Tarlton Rayment.
Description The body length is about 13 mm. The eyes are hairy. Colouration is mainly black, with narrow, brown-edged, silver metasomal bands.
Distribution and habitat The species occurs in eastern Australia on the tablelands and slopes of New South Wales.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Hardenbergia violacea and Daviesia species.
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