https://phys.org/news/2018-07-ecosystems-bavaria.html

Biodiversity is dwindling, especially that of insects whose number and diversity have decreased. This will have serious implications since the yield and quality of many food crops depend on pollinating insects. Moreover, insects play a vital role in natural pest control. Their decline impairs the services which humans gain from ecosystems.

"All these changes present a major challenge for scientists," says Professor Ingolf Steffan-Dewenter, Head of the Chair of Animal Ecology and Tropical Biology at Julius-Maximilians-Universität Würzburg (JMU) in Bavaria, Germany. An interdisciplinary collaborative approach is needed to address the many open questions.