members of the parrot genus psittacula or afro-asian ring-necked parakeets as they are commonly known in aviculture originates found from africa to south-east asia. it is a widespread group, with a clear concentration of species in south asia, but also with representatives in africa and the islands of the indian ocean. this is the only genus of parrot which has the majority of its species in continental asia. of all the extant species only "psittacula calthropae", "psittacula caniceps" and "psittacula echo" do not have a representative subspecies in any part of mainland continental asia. the rose-ringed parakeet, "psittacula krameri", is one of the most widely distributed of all parrots.