Amegilla calvaAmegilla calva or Amegilla calva is a species of digger bee. It is endemic to Australia. It was described in 1935 by Australian entomologist Tarlton Rayment.DescriptionThe body length is 15–16 mm, forewing length 10–11 mm, head width 5 mm.Distribution and habitatThe species has a wide range across central Australia. The type locality is Davis Creek in New South Wales.BehaviourThe bees are flying mellivores. Flowering plants visited by the bees include Eremophila, Trichodesma and Cassia species.