Psittacastis incisa is a moth in the Depressariidae family. It was described by Walsingham in 1912. It is found in Mexico (Tabasco) and Panama. The wingspan is about 12 mm. The forewings are pale brownish ochreous, much mottled with dark brown, of which there is a spot at the base of the costa, a larger patch at the base of the dorsum, an outwardly oblique band, from the costa at one-fourth, extending a little across the middle of the fold, immediately followed by a pale, shining, steel-grey costal blotch, also reaching nearly to the fold, and extending to the middle of the wing. Beyond this are two very oblique whitish costal streaklets, outwardly dark-margined, embedded in the dark brown colour which overspreads the remainder of the costal portion of the wing, with the exception of a nar