However, if they really imagine that this will have 'eradicated' the 'outbreak', I'm certain they have another think coming. I don't believe nests like this occur in isolation, as it's vanishingly unlikely that only a single queen was on these shores.
I missed the news last year that they'd destroyed a fully-built nest of 'Asian hornets' in Gloucestershire:
https://www.theguardian.com/environment/2016/nov/04/asian-hornet-outbreak-contained-says-defra
However, if they really imagine that this will have 'eradicated' the 'outbreak', I'm certain they have another think coming. I don't believe nests like this occur in isolation, as it's vanishingly unlikely that only a single queen was on these shores.