Consequently, P. perlata was transferred to this species, while P. rhodogaster became a junior synonym under the principle of priority.

Adults have a dark grayish brown head flecked with pale grayish buff, dark brownish gray ear coverts, a goldish green upper cheeks, and turquoise-blue lower cheeks.

Their throat, upper breast, and the sides of their neck are gray to blue with a scaly appearance, and sometimes with pinkish tips to the feathers.

Their wing is mostly green, with black and cobalt blue primaries and red underwing coverts.

[5][6] The crimson-bellied parakeet is found in the Amazon Basin from the Mamoré River in northeastern Bolivia east into Brazil south of the Amazon River in the states of Mato Grosso, Rondônia, Amazonas, and Pará.

[5] The crimson-bellied parakeet breeds between August and November, and possibly from April to June.

"The primary threat to this species is accelerating deforestation in the Amazon basin as land is cleared for cattle ranching and soy production".