Lake Bistineau

LSU AgCenter

A group concerned about the invasive aquatic weed choking Lake Bistineau in northwest Louisiana will hold a fundraiser Saturday. The area residents want to raise a cold-tolerant weevil that will feast on giant salvinia year-round.

Press Image / LSU Shreveport

Commentator Gary Joiners draws a history lesson from Bayou Dorcheat that flows east of Shreveport into Lake Bistineau.

Texas Parks and Wildlife Department

Fisheries biologist manager Evan Thames says the invasive aquatic weed giant salvinia is not growing out of control. The Louisiana Department of Wildlife and Fisheries is adhering to a four-day per week chemical spray schedule to keep the plant at bay.