Leioproctus caesicitus, or Leioproctus (Euryglossidia) caesicitus, 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 caesicitus (Latin: "blueish") refers to iridescence on the metasoma.
Description The female body length is about 6.5 mm. Integumental colouration is mainly black and dark brown, with some steel-blue iridescence on parts of the metasoma. The hair is mostly white.
Distribution and habitat The species occurs in south-west Western Australia. The type locality is Badgingarra National Park.
Behaviour The adults are flying mellivores.
References