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 ...

Washington, D.C., has seen its fair share of leeches and parasites, but a new one of the blood-sucking variety has been discovered in a swamp around the nation’s capital. Scientists said that the new ...

Ancient leeches as whole-prey predators The fossil record has long been frustratingly silent about how early leeches fed, because soft tissues like guts and mouthparts rarely survive. The new specimen ...

An international team of museum scientists led by Anna Phillips, the Smithsonian's curator of parasitic worms, describe Macrobdella mimicus, the first new species of medicinal leech discovered in over ...

Macrobdella mimicus, the first new species of medicinal leech discovered in over 40 years. (The Smithsonian Institution) Macrobdella mimicus, the first new species of medicinal leech discovered in ...

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A 430-million-year-old fossil has rewritten leech history, showing they are at least 200 million years older than previously believed. Unlike today’s bloodsucking leeches, their ancient ancestors ...

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 ...

Freshwater wetlands from Georgia to New York are home to a previously unrecognized species of medicinal leech, according to scientists. The new species was first identified from specimens collected in ...