The SA Water and Sanitation department have found an innovative solution to tackle the hyacinth problem at Hartbeespoort Dam. Here's ...

South Africa is unleashing weevil beetles in a bid to fight off the sprouting growth of salvinia minima, an alien species of ...

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

The introduced species, Cyrtobagous salviniae, is a subaquatic herbivorous insect renowned for its ability to curtail the growth of the invasive salvinia plant.

About 49,000 customers are currently without power in Ontario as an ice storm pummels parts of the province, Hydro One said. The outages, which are concentrated in central and eastern Ontario, are ...

Water and Sanitation Deputy Minister, Sello Seitlholo, and the Rhodes University Centre for Biological Control (CBC) have released weevil species to tackle the invasive alien aquatic plant at ...

Water and Sanitation Deputy Minister, Sello Seitlholo, will on Monday, 17 March 2025, join Rhodes University’s Centre for Biological Control (CBC) at the Hartbeespoort Dam, in the Madibeng ...

Weevil emergence was reduced 70% compared with the check in May, June, and September (1989) and March and April 1990. There was no difference between nematode treatments. Efficacy trials conducted in ...

Several years are required for the weevil population to become established so that it can effectively control the thistle. Two insects, the black dot spurge beetle Aphthona nigriscutis , and the ...

though they may assist in improving chemical control. Mowing putting surfaces may reduce adult populations by 26% to 38% each time, though most adults are removed alive and therefore attention must be ...