Leioproctus longivultu, or Leioproctus (Colletellus) longivultu, is a species of bee in the family Colletidae and subfamily Colletinae. It is endemic to Australia. It was described by entomologist Remko Leijs in 2018.
Etymology The specific epithet longivultu refers to the elongated face.
Description The female holotype body length is 6.3 mm, head width 2 mm. Integumental colouration is mainly black, orange and brown. The hair is mostly light brown.
Distribution and habitat The species occurs in Western Australia. The type locality is 7 km east of Boologooroo in the Gascoyne region.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Parakeelya polyandra.
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