Ecological Risk Screening Summary - Piedmont Elimia (Elimia virginica) - Uncertain Risk

Species that are considered uncertain risk need a more in-depth assessment beyond the Risk Summary to better define the species’ risk to U.S. environments.

Elimia virginica, the Piedmont Elimia, is a freshwater gastropod that is native to Atlantic coastal drainages in the United States from Connecticut and Massachusetts to North Carolina. E. virginica has been reported as introduced beyond its native range to the Lake Ontario drainage via the Erie Canal and in a lake in the Ohio River drainage. However, there is no indication this species is in trade, and no impacts from the introductions have been reported. The History of Invasiveness for this species is classified as Data Deficient due to the lack of information on
impacts of introduction. The climate matching analysis for the contiguous United States indicates establishment concern for this species outside its native range. Areas of high match were found in the Northeast, Mid-Atlantic, and Great Lakes regions where this species is native or introduced and established. The Certainty of Assessment for this ERSS is classified as Low due to the lack of information on impacts of introduction and trade. The Overall Risk Assessment Category for E. virginica in the contiguous United States is Uncertain.