UK bees could be protected from Asian hornets using radio tracking
In what could be a significant boon for UK bees, scientists at Exeter University have tagged and tracked Asian hornets using radio telemetry.
The invasive hornets are habitual predators of bees, ‘hawking’ outside hives and feeding the dismembered pollinators to their larvae. First discovered in Britain in 2016, the species is a further threat to the country’s bee ecosystem, which is already under threat from pesticides, parasites and habitat loss.
Using thread, the Exeter team attached tiny radio transmitters made by UK firm Biotrack to hornets in Jersey and France, where the species is already established. Five previously undiscove
red nests were found using this method, with tagged hornets leading the team across distances up to 1.33km. It was found that hornets were able to fly with the 0.28g tags so long as the insects themselves weighed upwards of 0.35g. The research appears in the journal Nature.
"Our new method of tracking offers a really important new tool to tackle the spread of this invader, providing an efficient means of finding hornets' nests in urban, rural and wooded environments," said lead researcher Dr Peter Kennedy, from Exeter University's Environment and Sustainability Institute, based at its Penryn Campus in Cornwall.
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