a Natupol Hive Support. Alternatively use pneumatic opening systems. Don’t close the screens when the bumblebees are active. Also take care that coating
J., Enkegaard, A., Doekes, G., Skov, P. S., Kjærstad, M. B., & Sigsgaard, T. (2007). Health effects of predatory beneficial mites and wasps in greenhouses
contact person. If a specific pest is not mentioned in this document, it doesn’t necessarily mean it cannot be controlled by nematodes. Koppert is continuously