Hylaeus delicatus, or Hylaeus (Heterapoides) delicatus, 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 1911.
Description Female body length is about 3.3 mm. Integumental colouration is mainly black, with yellow and reddish markings.
Distribution and habitat The species occurs in eastern mainland Australia. The type locality is Mackay, Queensland.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Callistemon, Eucalyptus, Leptospermum and Melaleuca species.
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