Hylaeus hypoleucus, or Hylaeus (Pseudhylaeus) hypoleucus, is a species of bee in the family Colletidae and subfamily Hylaeinae. It is endemic to Australia. It was described by British-American entomologist Theodore Dru Alison Cockerell in 1918.
Description Male body length is about 5 mm. Integumental colouration is mainly black, with white and pale yellow markings.
Distribution and habitat The species occurs in eastern Australia. The type locality is Brisbane in south-eastern Queensland.
Behaviour The adults are flying mellivores.
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