Euryglossina leucognatha, or Euryglossina (Quasihesma) leucognatha, is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1974 by Australian entomologist Elizabeth Exley.
Description Male body length is 2.5 mm, wing length 1.5 mm. Colouration is mainly black, dark brown and yellow.
Distribution and habitat The species occurs in northern Australia. The type locality is 24 km east of Katherine, Northern Territory.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Eucalyptus papuana, Tristania, Melaleuca and Eugenia species.
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