/ 1 May 2024

Powerful insect army reduces water hyacinth on Hartbeespoort Dam to 2.5%

Water hyacinth, native to South America, is described as the world’s worst aquatic weed. It thrives in nutrient-enriched waters like Hartbeespoort Dam, forming dense impenetrable mats that affect boating, fishing and water sport activities and harms aquatic biodiversity. (Delwyn Verasamy/M&G)
The tiny planthoppers are biological control agents and natural enemies of the world’s worst aquatic weed

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