Invasion
Invasion Description
1st Records: near Ann Arbor/MI/Huron River (1933, Schmitt 1939)
Geographic Extent
near Ann Arbor/MI/Huron River (1933, Schmitt 1939; Mills et al. 1993); Lackawanna/NY/Lake Erie (1934, Mills et al. 1993); Put-in-Bay/OH/Lake Erie (1971, Hubschman and Kishler 1972); MI/Lake St. Clair (1999 m USGS Nonindigenous Aquatic Species Program 2011)
Vectors
| Level | Vector |
|---|---|
| Alternate | Aquatic Plant Shipments |
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Ballast Water |