Freshwater wetlands from Georgia to New York are home to a previously unrecognized species of medicinal leech, according to scientists at the Smithsonian’s National Museum of National History. The new species, named Macrobdella mimicus, was first identified from specimens collected in southern Maryland, prompting a search through marshes and museum collections that ultimately revealed that the leech has long occupied a range that stretches throughout the Piedmont region of the eastern United States, between the Appalachian Mountains and the Atlantic Coast.
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Source: Phys.org