Leioproctus ruficornis, or Leioproctus (Zosterocolletes) ruficornis, 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 1879.
Distribution and habitat The species occurs in southern Australia. Type localities include Eradu, Western Australia.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Verticordia serrata and Boronia capitata.
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