Amegilla adelaidae or Amegilla (Zonamegilla) 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.
The body length is 12âÂÂ13 mm, forewing length 8 mm.
The 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.
The adults are flying mellivores. Flowering plants visited by the bees include Plectranthus and Ricinus species.