giant salvinia

Water Weed-Devouring Weevils Helping Clear up Caddo Lake

December 20, 2018 | By TH Staff

Anglers and paddlers, rejoice: Caddo Lake is back.

Once largely overrun by giant salvinia, a highly invasive aquatic fern, the lake has benefited from a combination of freezing weather last winter and the release of more than 200,000 salvinia-munching weevils—the same kind that keep salvinia in check in the noxious weed’s native Brazil, the Marshall News Messenger reports.

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