Leioproctus striatulus, or Leioproctus (Euryglossidia) striatulus, 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 1959.

Description Female body length about 5 mm. Integumental colouration mainly black with reddish markings on the legs, hair white.

Distribution and habitat The species occurs in south-eastern Australia. The type locality is Patonga, New South Wales.

Behaviour The adults are solitary flying mellivores that nest gregariously in the ground. Flowering plants visited by the bees include Grevillea floribunda, Grevillea laurifolia, Grevillea speciosa and Boronia ledifolia.

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