Callohesma euxantha is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1912 by British entomologist Robert Cyril Layton Perkins.
Distribution and habitat The type locality is Darwin, Northern Territory. It has also been recorded from Queensland and South Australia.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Eucalyptus species.
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