The first sighting on the UK mainland was announced on 20 September 2016 .
The first sighting on the UK mainland was occurred near Tetbury in Gloucestershire ; the nest was found and destroyed and no breeding adults were found within .
The first sighting on the UK mainland was announced on 20 September 2016 and occurred near Tetbury in Gloucestershire ; the nest was found and destroyed and no breeding adults were found within .