Invasion
Invasion Description
1st Record: near Slidell, LA/Bayou Bonfouca (1906, USNM 33099, US National Museum of Natural History 2009)
Geographic Extent
LA/Lake Pontchartrain, 1 mile W Of Mouth Of Bayou Chinchuba (1953, USNM 97959, US National Museum of Natural History 2009); Manchac/LA/Lake Maurepas (1916, USNM 48928, US National Museum of Natural History 2009)
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Ecological Impact | Habitat Change | |
| In Lake Pontchartrain, Louisiana, S. terebrans extensively bored into Bald Cypress (Taxodium distichum) stumps, honeycombing them, and contributing to their decay and shoreline erosion (Wilkinson 2002; Davidson 2012). | ||
| Economic Impact | Shipping/Boating | |
| Sphaeroma terebrans has caused damage to docks, pilings, and boat hulls (Atwood 1920). Damage to plastic floats was extensive in southwest Florida and in Lake Pontchartrain LA (Davidson 2012). | ||