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

An environmental group in northern Ontario is working to preserve black ash trees from the emerald ash borer, an invasive ...

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 weevils aren't tossed into the river by ...

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 ...