Members of the parrot genus Psittacula or Afro-Asian ring-necked parrots, as they are commonly known in aviculture, originate from Africa to South-East Asia. The name of the genus is a diminutive of the Latin word psittacus for a "parrot".

1/ Rose-ringed parakeet (Psittacula krameri), also known as the ringneck parrot (in aviculture) or the Kramer parrot
 the specific krameri commemorates the Austrian naturalist Wilhelm Heinrich Kramer.

2/ Blossom-headed parakeet (Vẹt đầu hồng, Psittacula roseata)

3/ Slaty-headed parakeet (Vẹt đầu xám, Psittacula himalayana)

4/ Long-tailed parakeet (Vẹt đuôi dài, Psittacula longicauda)
The specific epithet longicauda combines the Latin longus meaning "long" and cauda meaning "tail".

5/ Alexandrine parakeet (Vẹt má vàng, Psittacula eupatria), also known as the Alexandrine parrot
named after Alexander the Great.
The specific name eupatria is derived from the Ancient Greek words eu- meaning "well" and patria meaning "descent".

6/ Red-breasted parakeet (Vẹt ngực đỏ, Psittacula alexandri) 
The specific epithet alexandri is from Alexander the Great whose soldiers introduced parakeets to Greece.