Neonicotinoids: Impacts on ecosystem services

Agriculture & Food Security


The project ‘Neonicotinoids and their Impact on Ecosystem Services for Agriculture and Biodiversity’ aims to assess the potential risk of neonicotinoid insecticides – the subject of a widespread ban in the EU – in the African context, where economies and societies are greatly dependent on agriculture for survival, in the Asian continent and elsewhere.

Since their commercialization in the 1990s, neonicotinoids have become the most widely used kind of insecticide and are registered in more than 120 countries. They are the primary agent used on insecticide-treated seeds. Neonicotinoids, which act by blocking neural pathways, are systemic. That is, they pass into and spread throughout the plant tissue causing a plant to become toxic to insects consuming any part of it – including pollen and nectar, as well as plant residues. This means that non-target species, such as pollinators and predators, are also exposed. When applied as dressings on plant seeds, significant parts of the active ingredient enter the soil and aquatic systems, broadening the potential exposure to non-target (including non-insect) species.

This has knock-on effects on ecosystem services such as natural pest control carried out by predators and parasitoids. Indeed, research has identified many potential effects on honeybees and other pollinators (e.g. bumble bees, solitary bees, flies, beetles and butterflies). Concern over the effects on individual species has also been associated with findings of substantial declines in insect populations overall, which could bring about a global pollination crisis.

Email contact: Secretariat, InterAcademy Partnership (IAP):

Group photo at ICIPE




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