We found that the principal intermediate hosts of the two nematodes were filter-feeding mayflies of the genera Ephemera, Photamanthus and Isonychia. Ephemera strigata seemed to be the most important intermediate host of these nematodes.
Does nematodes require intermediate host?
Organisms that are required for the completion of a nematode life cycle but do not contain the final reproductive adult stage are known as intermediate hosts. Figure 6. Direct life cycle. Nematode can infect fish directly without the need for an intermediate host.
Which parasites have intermediate hosts?
Table 2: Parasite and their intermediate host(s)ParasiteIntermediate HostTapeworm (Taenia solium)Humans, Cow, PigsSchistosoma mansoniFreshwater snails (Biomphalaria spp.)Toxoplasma gondiiMany mammals and birds
What parasite has two intermediate hosts?
Like most other digenetic trematodes (flukes), Paragonimus species require two intermediate hosts, freshwater snails as the first intermediate host and freshwater crustaceans as the second intermediate host (Figure 2).
Which parasites do not have intermediate hosts?
The correct answer is Ascaris.
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