Consumers
and diseases in a natural and sustainable way. In this way, we hope to make an active contribution to a sustainable society, with safe food in sufficient [...] and parasitic wasps are released to combat harmful insects, in the same way as they do in the wild. Koppert supplies various species of parasitic wasps [...] is a close relative of the honeybee. In 1987, it was established that bumblebees could prove extremely useful in greenhouses for the purpose of pollination