Hylaeus chromaticus, or Hylaeus (Gnathoprosopis) chromaticus, 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 1912.
Description Integumental colouration is mainly black, with yellow 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 Alphitonia, Angophora, Boronia, Bursaria, Callistemon, Dendrobium, Eucalyptus, Jacksonia, Leptospermum, Melaleuca and Tristaniopsis species.
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