Trichocolletes fuscus is a species of bee in the family Colletidae and the subfamily Colletinae. It is endemic to Australia. It was described in 2012 by Australian entomologists Michael Batley and Terry Houston.
Etymology The specific epithet fuscus (Latin: 'dusky') refers to the species' colouration.
Description The body length is about 10–11 mm. The eyes are hairy. Colouration is mainly black and dark- to orange-brown, and with pale to bright orange hair. The species has narrow gold metasomal bands.
Distribution and habitat The species occurs in central New South Wales from the western plains to the coast. The type locality is the Munghorn Gap Nature Reserve in the Central Tablelands region.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Daviesia ulicifolia, Dillwynia retorta, Eutaxia microphylla, Leucopogon ericoides, Leucopogon lanceolatus, Pultenaea microphylla and Templetonia aculeata.
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