Trichocolletes hackeri is a species of bee in the family Colletidae and the subfamily Colletinae. It is endemic to Australia. It was described in 1913 by British-American entomologist Theodore Dru Alison Cockerell.
Description The eyes are not hairy. The metasoma is dull black with bright, metallic gold bands.
Distribution and habitat The species occurs in rainforested habitats in south-eastern Queensland. The type locality is Tamborine Mountain. It has also been recorded from the Bunya Mountains.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Syzygium smithii and Parsonsia velutina, as well as Eucalyptus, Solanum and Verticordia species.
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