After weevils effectively controlled Salvinia in ... South Africa’s already vulnerable freshwater systems face a significant threat from Salvinia and according to researchers it's had two ...

Those weevils aren't tossed into the river by accident ... The plant is steadily taking over freshwater bodies in the northern region of South Africa, suffocating aquatic life, including on ...

South Africa is unleashing weevil beetles in a bid to fight off the sprouting growth of salvinia minima, an alien species of aquatic, floating fern that grows on the surface of freshwater bodies.

Those weevils aren't tossed into the river by accident ... The plant is steadily taking over freshwater bodies in the northern region of South Africa, suffocating aquatic life, including on ...

Growths on plants formed by parasitic weevils help their offspring hunker down on a Brazilian savanna and outlast the flames. By Gennaro Tomma Living things have long needed to find ways to ...

Those weevils aren’t tossed into the river by ... The plant is steadily taking over freshwater bodies in the northern region of South Africa, suffocating aquatic life, including on the Crocodile ...