Trichocolletes multipectinatus is a species of bee in the family Colletidae and the subfamily Colletinae. It is endemic to Australia. It was described in 1990 by Australian entomologist Terry Houston.

Etymology The specific epithet multipectinatus (Latin: 'many combs') is an anatomical reference to the pectinate tibial spurs of females.

Description The body length is about 12 mm. The eyes are not hairy. Colouration is mainly black and yellow-brown.

Distribution and habitat The species occurs across much of inland southern Australia from Western Australia through the northern Eyre Peninsula to western New South Wales. The type locality is Meleya Well on Thundelarra Station in the Murchison region of Western Australia.

Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Eremophila pantonii.

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