[Invasive Species] Drones, insects and local community to tackle Kenya’s thorny problem

[Invasive Species] In Laikipia, 253 kilometres north of Nairobi, Kenya, an unlikely trio of drones, the local community, and a tiny sap-sucking insect, have joined forces to take on a thorny problem – the spread of invasive prickly pear cactus Opuntia engelmannii.