Leioproctus baeckeae, or Leioproctus (Euryglossidia) baeckeae, is a species of bee in the family Colletidae and subfamily Colletinae. It is endemic to Australia. It was described by Australian entomologist Tarlton Rayment in 1948.
Description Male body length about 5 mm. Integumental colouration mainly green with a metallic lustre; hair white.
Distribution and habitat The species occurs in Western Australia. The type locality is Bolgart.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Babingtonia camphorosmae as well as Grevillea and Hakea species.
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