Callomelitta insularis is a species of bee in the family Colletidae and the subfamily Colletinae. It is endemic to Australia. It was described in 1914 by British-American entomologist Theodore Dru Alison Cockerell.
Description The body length of the male holotype is 7 mm. Colouring is mainly black and red.
Distribution and habitat The species occurs in south-eastern Australia. The type locality is Eaglehawk Neck, Tasmania. It has also been recorded from Victoria.
Behaviour The adults are solitary flying mellivores which nest in rotting wood. Flowering plants visited by the bees include Eucalyptus, Banksia, Dahlia, Leucopogon and Melaleuca species.
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