Leioproctus tritus, or Leioproctus (Leioproctus) tritus, 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 tritus (Latin: "commonplace" or "familiar") refers to "the absence of particularly distinctive features".
Description The holotype male body length is 7.5 mm, head width 2.4 mm; female body length 8.5 mm, head width 2.9 mm. Integumental colouration is mainly black with brown markings. The hair is white through brown to black.
Distribution and habitat The species occurs in eastern New South Wales. The type locality is Commodore Heights, Ku-ring-gai Chase National Park, Sydney.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Boronia ledifolia, Isopogon anemonifolius and Grevillea buxifolia.
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