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Trematoda; Freshwater snails; Itasca, Lake (Minn.)


The purpose of this study was to determine the cercariae present in nine species of aquatic snails of Lake Itasca, Minnesota. Although Cort (1914), and Faust (1917) initiated cercarial survey studies in North America, no comprehensive survey has been reported from Minnesota. Sporadic reports since 1928 have described the occurrence of twenty-two species of cercariae in our state. This report adds seven species to the known cercarial fauna of Minnesota.

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