-xenous (Greek: a combining suffix pertaining to a "host" or "guest").dixenous: 
Said of a parasite that may infect two species, but can pass its entire life cycle on either.
 
heteroxenous: 
Also  heteroecious; in biology, going through different stages of growth on different hosts, as certain parasitic fungi.
 
lipoxenous: 
Said of a parasite that leaves its host after it has secured adequate nourishment.
 
metoxenous: 
Also metoecious and heteroecious; parasitic on different hosts at different stages in life-history.
 
myremecoxenous: 
Furnishing both food and shelter for ants.
 
pleioxenous: 
Said of a parasite that is not host specific.
 
trixenous: 
Said of a parasite that requires three successive hosts.
 
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