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Tag: Chestnutkilling

Chestnut-killing wasp threatens major harvest

Chestnut-killing wasp threatens major harvest

Science
Chestnuts are increasingly used as a form of replacement protein in vegan and vegetarian diets. But a small, invasive wasp from China is threatening the chestnut harvest in Spain. Now government scientists are considering releasing another non-native insect into the environment to keep the wasp population under control.Under the dense green cover of the Genal Valley in southern Spain, Julio Ruiz, a thirty-something farmer is collecting sweet chestnuts (castañas) with his father, mother and brother. They are picking up the prickly nuts from the leaf-strewn earth, recognising through experience those that will contain the prized, large-sized chestnut.But this year there are far fewer chestnuts to gather not just on the Ruiz family's 30-hectare farm, ...