Leioproctus lucidicinctus, or Leioproctus (Leioproctus) lucidicinctus, is a species of bee in the family Colletidae and subfamily Colletinae. Endemic to Australia, it was described by Australian entomologist Terry Houston in 1990.

Etymology The specific epithet lucidicinctus (Latin: ) is an anatomical reference to the tergal margins.

Description The male holotype body length is about with a head width of ; the female paratype body is long, with a head wide. Integumental colouration is mainly black; the hair is mainly white.

Distribution and habitat The species occurs in western and central Australia. The type locality is east-north-east of Carnarvon, Western Australia.

Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Eremophila crenulata and Eremophila willsii.

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