Plasmodium polare is a parasite of the genus Plasmodium subgenus Papernaia.
Like all Plasmodium species P. polare has both vertebrate and insect hosts. The vertebrate hosts for this parasite are birds.
The parasite was first described by Manwell in 1934.
It is relatively small and produces on the average nine merozoites per infection. It has abundant cytoplasm.
This parasite occurs in the United States.
Hosts of this species include the bald eagle (Haliaeetus leucocephalus), the barn swallow (Hirundo rustica), yellow wagtails (Motacilla flava) and American cliff swallows (Petrochelidon pyrrhonota).
It is related to the following species:
Plasmodium asanum<br/> Plasmodium circumflexum<br/> Plasmodium durae<br/> Plasmodium fallax<br/> Plasmodium formosanum<br/> Plasmodium gabaldoni<br/> Plasmodium hegneri<br/> Plasmodium lophrae<br/> Plasmodium lophrae<br/> Plasmodium pediocetti<br/> Plasmodium pinotti