Back to profile Projects - SH (Helena) Donner Aphid endosymbionts and parasitoid wasp biocontrol The aim of this project is to study the presence and effects of secondary endosymbionts in the field and in Dutch greenhouses. Effects of aphid endosymbionts on parasitoid biocontrol in greenhouses Effects of aphid endosymbionts on parasitoid biocontrol in greenhouses - WUR Project Effects of aphid endosymbionts on parasitoid biocontrol in...