The encysted metacercaria would normally be found on vegetation. . Adult specimen taken from the bile duct of an infected animal. Indigenous to North Americana. Adults encapsulated but eggs passed into bile ducts. Adults encapsulated, no eggs passed.
Host usually dies. .
These eggs are small, dark brown and asymmetrical, they are thick walled with an indistinct operculum. . Compare with Fasciloa hepatica . The rumen fluke of sheep and cattle. Note the thick, circular fleshy character of the specimens in the bottom of the jar. Also the flukes buried in the rumen papillae. .