Table 1.

Main characteristics of the four haemogregarine types and the corresponding genera.

	Hepatozoon Type I	Karyolysus Type II	Hemolivia Type III	Bartazoon n. g. Type IV
Vector	Ticks or mites	Mites	Ticks	Biting insects
Vertebrate hosts	Mammals	Reptiles	Reptiles, Amphibians	Reptiles, Amphibians, Marsupials, Birds and Rodents
Fertilisation	Syngamy	Syzygy	Syzygy	Syzygy
Sporogony	One stage	Two stages	Two stages	One stage