A ‘devastating’ virus is threatening the world’s chocolate supply

Millions of cacao trees have been wiped out by the virus (Picture: Metro.co.uk)A virus spread by a tiny bug is devastating cacao trees in west Africa – and it could have a major impact on the UK’s favourite sweet treat.Swollen shoot virus is spread by mealybugs, a fuzzy insect that thrives in hot climates.The virus – described as one of the most ecologically devastating on Earth – has wiped out 50,000 hectares of cacao farmland in Ghana, which is the world’s second