Where Are Earthworms Native To?

Where Are Earthworms Native To? Origins. Most of the invasive earthworms Are earthworms native to the United States? No. Earthworms are native to the United States, says Melissa McCormick, ecologist at the Smithsonian Environmental Research Center, but the earthworms in some northern parts of the country (including Vermont) aren’t indigenous. Are earthworms invasive North America?