My research focuses on parasitoid Hymenoptera in the context of insect decline and ecosystem services. Parasitoid wasps develop on or inside a host, serve as natural biological control agents and therefore fulfill an essential ecosystem function. However, this insect group is under the radar of recent insect monitoring projects. The aim of my PhD project is to assess the phenology of parasitoids in the current monitoring project in order to create a baseline for future work. My interest lies in the ecology and occurrence of parasitoids in different landscapes.