Plasmodium semnopitheciPlasmodium semnopitheci is a parasite of the genus Plasmodium and subgenus Vinckeia. As in all Plasmodium species, P. semnopitheci has both vertebrate and insect hosts. P. semnopitheci was isolated from a monkey.TaxonomyThe parasite was first described by Knowles in 1919.HostsThe only known host of this species is the northern plains gray langur .