The leucocytozoids of the avian orders Musophagiformes, Cuculiformes a
nd Piciformes are reviewed. Leucocytozoon dinizi Tendeiro, 1947 of the
Musophagidae is re-described and a neohapantotype designated. Leucocy
tozoon centropi Fantham, 1921 is re-described and L. coccyzus Coatney
& West, 1938 is synonymized with it and a neohapantotype designated. L
eucocytozoon squamatus Nandi, 1986 of the Picidae is re-described and
compared with Leucocytozoon capitonis n. sp. of the piciform family Ca
pitonidae.