Euhesma rainbowi, or Euhesma (Euhesma) rainbowi, is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1929 by British-American entomologist Theodore Dru Alison Cockerell.
Description Body length of females is about 8.0–8.3 mm. Colouring is mainly black and dark reddish.
Distribution and habitat The species occurs in South Australia. The type locality is Blackwood, in the Adelaide Hills.
Behaviour The adults are flying mellivores.
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