Leioproctus exiguus, or Leioproctus (Minycolletes) eruditus, is a species of bee in the family Colletidae and subfamily Colletinae. It is endemic to Australia. It was described by Australian entomologist Glynn Maynard in 2013.
Etymology The specific epithet exiguus is Latin for "small".
Description Male body length is about 6 mm. Integumental colouration is mainly black. The hair is white.
Distribution and habitat The species occurs in Western Australia. The type locality is near Carnarvon.
Behaviour The adults are flying mellivores.
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