The Salvinia Molesta, more commonly known as Kariba weed, is an invasive species of free-floating water fern from Brazil. The ...

The Salvinia Molesta, more commonly known as Kariba weed, is an invasive species of free-floating water fern from Brazil. The ...

The weevils have been effectively used in Puerto Rico to fight the same problem. Salvinia minima is an invasive aquatic plant that has steadily been taking over freshwater bodies in the northern ...

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.

Those weevils aren't tossed into the river by accident: scientists hope that the insects and their larvae will munch their way through the green mat, which is made up of an unwanted, invasive South ...

This thick green mat extends for as far as the eye can see, it's an unwanted, invasive South American aquatic plant species called Salvinia minima. Hidden beneath it is South Africa's ...