Species Regional Summary
Valvata piscinalis
Lakes Huron, Superior and Michigan ( GL-I )

Invasion

Invasion Description

1st Record: Duluth/Minnesota/Superior Bay (1995, Grigorevich et al. 2005; Trebitz et al. 2012)

Geographic Extent

Duluth/Minnesota/Superior Bay (1995, Grigorevich et al. 2005; Trebitz et al. 2012); WI/off Butt Creek, Lake Michigan (2002, Grigorevich et al. 2005); Thunder Bay/Ontario/Lake Superior (2002, Grigorevich et al. 2002, empty shells)