Hylaeus cyaneomicans, or Hylaeus (Prosopisteron) cyaneomicans, 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 1910.

Description Female body length is about 6 mm. Integumental colouration is mainly black, without pale markings, but with a brilliant blue abdomen.

Distribution and habitat The species occurs in north-eastern Australia. The type locality is Mackay, Queensland.

Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Cassia species.

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