After the weevils helped control the spread of salvinia in parts of the United States, scientists from both countries worked together on a project to gather a starter population in South Africa.

BATON ROUGE, La. (KLFY) — The Louisiana Department of Wildlife and Fisheries sends a warning about giant salvinia, an exotic fern and invasive species that is a major threat to Louisiana’s ...

After the weevils helped control the spread of salvinia in parts of the United States, scientists from both countries worked together on a project to gather a starter population in South Africa.