Invasive Species, Fast-Riding Horsemen Galloping The Biodiversity Apocalypse

Mango farmer Eufria Nyadome used to earn $60 from selling a 20-litre bucket of fresh mangoes and now can barely make $20 even though her mango trees are giving a good yield. She is throwing away buckets of rotten mangoes.

Nyadome, from Mhondiwa Village in Ward 9 Murehwa District of Zimbabwe, has lost her income to an invasive...