Superbugs to the rescue: Thousands of hyacinth plant hoppers, Megamelus scutellaris,, are being used to reduce and control the spread of water hyacinth on Hartbeespoort Dam and other dams in South Africa. (Delwyn Verasamy/M&G)
Tiny bugs – water hyacinth planthoppers – have reduced the coverage of an invasive superweed to below 5%
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