Bio-control steps making progress against invasive plant at Caddo Lake

A large number of plant-munching weevils have survived the winter and are making strides in the fight against invasive giant salvinia at Caddo Lake.

“It’s a marathon, for sure,” Daren Horton recently told the Harrison County Commissioners Court. Horton is a member of the Bio-Control Alliance, which operates the bio-control-based giant salvinia management program.

“We’ve got some challenges ahead, but we’re doing well,” he said.  Click on the following sentence to access the full story.

Giant salvinia, an invasive aquatic fern that’s native to Brazil, first was found on Caddo Lake in 2006. Since then, the state has spent millions of dollars spraying aquatic herbicides in an effort to control the plant.


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