Leioproctus brunneipilosus, or Leioproctus (Euryglossidia) brunneipilosus, is a species of bee in the family Colletidae and subfamily Colletinae. It is endemic to Australia. It was described by entomologist Michael Batley in 2025.
Etymology The specific epithet brunneipilosus (Latin: "brown" + "hairy") is an anatomical reference to the tomentum on the female scutum.
Description The male body length is about 5.4 mm, female body length about 6.5 mm. Integumental colouration is mainly black and dark brown. The hair is white and orange-brown.
Distribution and habitat The species occurs in New South Wales. The type locality is Mount Colah.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Grevillea buxifolia, Grevillea linearifolia, Boronia ledifolia, Boronia pinnata, Eriostemon australasius and Zieria laevigata.
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