Earlier this week, researchers tackled the spread of an invasive alien in the Crocodile River - an aquatic plant known as the water spangle - by introducing a weevil species that feeds on it.

The introduced species, Cyrtobagous salviniae, is a subaquatic herbivorous insect renowned for its ability to curtail the ...

Since first being recorded at Hartbeespoort Dam in 2011, salvinia has spread across water bodies in North West and Gauteng ...

The South African Institute for Aquatic Biodiversity (NRF-SAIAB), a research facility of the National Research Foundation ...

A new biotype of weevil has been released at Hartbeespoort Dam, marking its first appearance in South Africa. Speaking to leading experts in the field, Daily Maverick unpacks what exactly biological ...

Weevil species, Cyrtobagous salviniae ... to South America that presents a substantial threat to South Africa’s freshwater ecosystems. Initially recorded at Hartbeespoort dam in 2011, salvinia ...

A weevil species will be released into the dam ... The hyacinth not only threatens the fresh water supply but also hampers tourism in towns around the North West Dam.

Ensure that you have inline drip irrigation installed in beds to help counter dry conditions, and get back to watering fruit trees ...

Background Pistia stratiotes L., is an invasive aquatic plant that forms dense mats, disrupting ecosystems and affecting waterway navigation. Although various control methods have been studied, there ...

PETALING JAYA: Stringent checks will be carried out to ensure that rice sold in the market is free from weevil infestation, says Agriculture and Food Secu­ri­ty Ministry deputy secretary ...