Trichocolletes erythrurus is a species of bee in the family Colletidae and the subfamily Colletinae. It is endemic to Australia. It was described in 1914 by British-American entomologist Theodore Dru Alison Cockerell.
Description The body length is 12 mm; the eyes are not hairy; the metasoma is reddish-brown, the bands indistinct.
Distribution and habitat The species occurs in south-west Western Australia. The type locality is Yallingup.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Bossiaea linophylla, Chorizema dicksonii, Daviesia polyphylla, Kennedia coccinea, Gastrolobium bennettsianum, Gastrolobium calycinum, Gastrolobium parviflorum, Gastrolobium spinosum, Gompholobium confertum and Viminaria species.
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