Leioproctus impolitus, or Leioproctus (Euryglossidia) impolitus, 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 impolitus (Latin: "rough") is an anatomical reference to the integumental sculpture.
Description The female body length is 5.0 mm, male body length 4.8 mm. Integumental colouration is mainly black with brown markings. The hair is white to brown.
Distribution and habitat The species occurs in south-west Western Australia. The type locality is Orange Grove, Perth.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Prasophyllum fimbria and Petrophile striata.
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