The 2mm honking saviour
Psyllids are also known as ‘Jumping Plant Louse’
They communicate with a wide variety of songs, which include honks, croaks and burps
The variety that likes to munch on knotweed is just 2mm long, and lives beneath the slopes of a volcano in southern Japan Millions have been released into the wild at secret UK locations They only live a few weeks, but a female lays thousands of eggs After they are born, the larvae suck the sap of knotweed through their sharp mouths