Trichocolletes pulcherrimus is a species of bee in the family Colletidae and the subfamily Colletinae. It is endemic to Australia. It was described in 1965 by American entomologist Charles Duncan Michener.
Description The body length is 16–18 mm. The eyes are hairy. Colouration is mainly black; the metasoma is orange-brown with indistinct bands.
Distribution and habitat The species occurs in south-west Western Australia. The type locality is Narrogin in the Wheatbelt.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Gompholobium hendersonii, Gastrolobium spinosum, Gastrolobium viscidulum and Jacksonia species.
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