Leioproctus amblycladus, or Leioproctus (Euryglossidia) amblycladus, is a species of bee in the family Colletidae and subfamily Colletinae. It is endemic to Australia. It was described by entomologist Michael Batley in 2025.
Etymology The specific epithet amblycladus (Greek: "blunt" + "branch") is an anatomical reference to the inner tooth of the female claw.
Description Female body length is 7.0 mm. Integumental colouration is mainly black with brown markings. The hair is white and brown.
Distribution and habitat The species occurs in eastern Australia. The type locality is Cocoparra National Park in the Riverina region of New South Wales.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Grevillea floribunda.
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