Miracidia burrow into snail. Sporocyst reproduces and the cercaria swim to find a human. Burrows in and moves into the bloodstream. Historical reports of the disease it causes are very old. Dicrocoelium dendriticum Adults found in bile duct of sheep and some other vertebrates.
Snails eat eggs off of sheep feces.
Cercariae shed in slime balls and ants eat these. Metacercariae change behavior of the ant and they become more conspicuous and are eaten when sheep graze. Unusual terrestrial life cycle. Come to class and learn about O.S.U.'s own Wendell Krull.