Amegilla adelaidaeAmegilla adelaidae or Amegilla adelaidae is a species of digger bee. It is endemic to Australia. It was described in 1905 by British-American entomologist Theodore Dru Alison Cockerell.DescriptionThe body length is 12–13 mm, forewing length 8 mm.Distribution and habitatThe species occurs mainly in tropical and subtropical areas of Australia, including the arid zone. The type locality is the Adelaide River in the Top End of the Northern Territory.BehaviourThe adults are flying mellivores. Flowering plants visited by the bees include Plectranthus and Ricinus species.