Exoneura marjoriella, is a species of reed bee in the tribe Allodapini. It is endemic to Australia. It was described in 1949 by Australian entomologist Tarlton Rayment.
Description The body length of the male holotype is 9 mm. The head and thorax are black, the abdomen a rich, dark chestnut-red.
Distribution and habitat The species occurs in New South Wales. The type locality is Brooklyn, near Sydney.
Behaviour The adults are flying mellivores. They nest in dead, dry plant stems, including those of Lantana.
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