Exoneura grandis, or Exoneura (Exoneura) grandis, is a species of reed bee in the tribe Allodapini. It is endemic to Australia. It was described in 1935 by Australian entomologist Tarlton Rayment.

Description The body length is 10 mm. The head and thorax are glossy black, the abdomen mostly light orange-red.

Distribution and habitat The species occurs in Victoria. The type locality is Caulfield.

Behaviour The adults are flying mellivores.

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