The chemical-free decoys are used while clearing riverside vegetation.
Plastic dragonflies have been used as a decoy to deter biting insects. Harrison Blake, Cromac Grounds Operative, said: "This is fast, fast becoming the most important piece of kit." Blake and his co-worker Cian Davey use the chemical-free decoys while clearing riverside vegetation and say they work particularly well against horseflies. Davey said: "Our dragonfly here keeps us safe and stops us getting eaten alive."
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