# European pollinator species decline > Live situation record from CLSTR: https://clstr.news/situations/european-pollinator-species-decline > Updated: 2026-10-20T02:30:00.000Z. Sources: 9. Developments: 2. Scientific research indicates a significant decline in pollinator species across Europe, a finding highlighted during the 17th UN Biodiversity Conference (Cop17) in Armenia. An international study published in the Proceedings of the National Academy of Sciences (PNAS) analyzed over four million records from 1921 to 2020, revealing that most wild bee species and approximately half of syrphid flies (flower flies) are losing their geographic distribution areas. The decline is most pronounced in the Atlantic and Continental regions of Europe, whereas the Alpine region is noted as an area where species richness may be increasing, potentially due to warming in high latitudes and mountain areas. Scientists warn that pollinator communities are being reshaped by the loss of sensitive species and the rise of a few resilient ones. This ecological shift poses risks to food security and biodiversity, as nearly 90% of wild flowering plants and approximately 80% of European crop species depend on animal pollination. In the European Union, insect pollination is estimated to contribute nearly 15 billion euros annually to agricultural production. ## Timeline ### 2026-10-20: Pollinator species in Europe are losing territory A century-long study shows most wild bee species and half of Europe's syrphid flies are losing territory, threatening biodiversity and the EU's agricultural economy. 6 sources. https://clstr.news/cluster/pollinator-species-in-europe-are-losing-territory ### 2026-10-19: Biodiversity decline highlighted at UN Cop17 summit A study presented at the Cop17 UN biodiversity summit shows most European wild bee species and half of hover fly species have declined since 1921, threatening ecosystem stability and food security. 3 sources. https://clstr.news/cluster/biodiversity-decline-highlighted-at-un-cop17-summit --- Cite as: European pollinator species decline. CLSTR, https://clstr.news/situations/european-pollinator-species-decline