The fight against invasive tree species is intensifying at the Melville Koppies, particularly with the alarming rise of the bugweed tree (solanum mauritianum). This category 1 invader is wreaking ...

The weevils aren't the first insects to be introduced to curb an invasive threat in South Africa. The country brought in a bug in the 1930s to control the spread of a hardy cactus native to Mexico ...

The weevils aren't the first insects to be introduced to curb an invasive threat in South Africa. The country brought in a bug in the 1930s to control the spread of a hardy cactus native to Mexico ...

HARTBEESPOORT, South Africa (AP) — Dozens of tiny black weevils ... which is made up of an unwanted, invasive South American aquatic plant called Salvinia minima.

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 ...