Pennywort Munching Weevil Released to Combat Invasive Plant
In a world-first, South American weevils have been released in England to fight against the invasive non-native species floating pennywort, as part of Invasive Species Week.
An ornamental pond plant originating from North America, floating pennywort has the ability to grow up to 20 centimetres each day, forming dense rafts over our rivers that harm native plant, fish and invertebrate species, through competition and cutting oxygen levels in water. Floating pennywort impedes navigation routes, disrupts recreational activities like fishing and canoeing and exacerbates flood risk.
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