Leioproctus clivifrons, or Leioproctus (Euryglossidia) clivifrons, 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 clivifrons (Latin: "sloping forehead") is an anatomical reference to the male frons.
Description The male body length is 8.5 mm, female body length 8.5 mm. Integumental colouration is mainly black and dark brown. The hair is white and brown.
Distribution and habitat The species occurs in south-west Western Australia. The type locality is Wubin, in the northern Wheatbelt region.
Behaviour The adults are flying mellivores.
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