How Many Hosts Do Digenetic Flukes Require?
How Many Hosts Do Digenetic Flukes Require? Ecology. Neorickettsiae infect digenetic trematode worms (flukes) and are maintained transovarially. The fluke vector has a complex parasitic life cycle that requires development within one or two intermediate hosts (mollusks and sometimes insects or fish) followed by sexual reproduction within a mammalian host. Do blood flukes only have