Leioproctus cristatus, or Leioproctus (Exleycolletes) cristatus, is a species of bee in the family Colletidae and subfamily Colletinae. It is endemic to Australia. It was described by English entomologist Frederick Smith in 1853.
Distribution and habitat The species occurs in south-eastern Australia.
Behaviour The adults are solitary flying mellivores that nest gregariously in the ground. Flowering plants visited by the bees include Leptospermum and Melaleuca species.
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