Scientists Hopeful Antidote Can Assist Shield Bumblebees From Pesticides

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September 12, 2024 | Supply: The Guardian | by Helena Horton

Scientists have developed a “vaccine” for bees in opposition to pesticides – and it seems to work, in accordance with an preliminary examine.

In response to the findings, revealed in Nature Sustainability, hydrogel microparticles fed to bumblebees in sugar water brought about a 30% larger survival charge in people uncovered to deadly doses of neonicotinoids, and considerably milder signs in these uncovered to decrease doses that may not normally be deadly however may cause hurt.

Neonicotinoids hurt bees’ nervous system, paralysing and finally killing them. They’re used to to regulate a wide range of pests, particularly sap-feeding bugs reminiscent of aphids, and root-feeding grubs.

Scientists from Cornell College in New York have been looking for a technique to defend bees from the broadly used pesticides. Neonicotinoids have been completely banned within the EU solely final yr – a earlier ban allowed their emergency use. The UK has allowed their use yearly since 2021, however the Labour authorities has mentioned it will cease. The pesticides are nonetheless utilized in many US states.

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