Euhesma wiluna, or Euhesma (Euhesma) wiluna, is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1998 by Australian entomologist Elizabeth Exley.
Etymology The specific epithet wiluna refers to the type locality.
Description Body length of the female is 6.0 mm, wing length 4.0 mm. Colouration is mainly black, dark brown and yellowish.
Distribution and habitat The species occurs in inland Western Australia. The type locality is 42 km south-south-east of Wiluna, in the Goldfields–Esperance region.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Eremophila species.
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