Environmental Factors
3. Pesticides
Studies have revealed that bumblebees exposed to neonicotinoid pesticides visited flowers less and collected less pollen – and that resulted in fewer seeds in the fruit. Two of the world's most widely used insecticides cause significant harm to bumblebee
colonies, a new study has found.
Learn More
http://www.bbc.co.uk/gardening/basics/techniques/organic_companionplanting1.shtml
https://www.bumblebeeconservation.org/controlling-garden-pests-without-pesticides/