A New Invasive Pest Has Arrived in Montgomery County, and It’s Not the Spotted Lanternfly

New Zealand mudsnail
Image via Wikipedia.

The invasive New Zealand mudsnail, which was present in Pennsylvania in only four bodies of water until recently, has spread rapidly in the past several years and has now reached Montgomery County, writes Marcus Schneck for the Harrisburg Patriot-News

Pennsylvania Fish and Boat Commission surveys from 2020 revealed that the snails have spread to three additional waters in the Keystone State, including the Schuylkill River in Montgomery County, Berks County, and Philadelphia County

Last year’s survey results are even more worrisome since the tiny snails were found in 16 additional streams and rivers, including the Perkiomen Creek

The mudsnails can reach densities of hundreds or thousands of snails per square foot, according to the commission, crowding out native species. While they are not harmful to humans, their presence negatively impacts native freshwater invertebrate species. 

The commission is worried that the fishing and boating season could help mudsnails hitch a ride on boats and gear of anglers and boats to new waters. 

“It is vital for anglers and boaters to properly disinfect their gear after every fishing or boating trip, especially when moving from one water to another,” said Sean Hartzell, invasive species coordinator with the commission. 

Read more about New Zealand mudsnail in the Harrisburg Patriot-News

Editor’s Note: This MONTCO.Today story ran originally on Sept. 24, 2022; it has been checked for accuracy.


What is a New Zealand mudsnail?

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