Scientists hope hungry black weevils imported from Louisiana can help tackle South Africa's invasive water plant problem.

That includes poisonous blue-green ... Limpopo rivers in the far north of South Africa. “That now poses a huge threat to our neighbors because this plant has been transported by our rivers ...

Hyacinth plants grow at the Hartbeespoort Dam in South Africa, on March 17 ... for bacteria and dangerous organisms. That includes poisonous blue-green algae, known as cyanobacteria, which ...

HARTBEESPOORT, South Africa (AP) — Dozens of tiny black weevils cling onto a fern plant as it is tossed onto ... That includes poisonous blue-green algae, known as cyanobacteria, which flourish ...

HARTBEESPOORT, South Africa (AP) — Dozens of tiny black weevils cling onto a fern plant as it is tossed onto ... That includes poisonous blue-green algae, known as cyanobacteria, which flourish ...

HARTBEESPOORT, South Africa (AP) — Dozens of tiny black weevils cling onto a fern plant as it is tossed onto a leafy green mat coating the surface of South Africa's Crocodile River. Those ...

HARTBEESPOORT, South Africa (AP) — Dozens of tiny black weevils cling onto a fern plant as it is tossed onto a leafy green mat coating the surface of South Africa’s Crocodile River.