No, there's been a bit of confusion in the press generally about this. The ones found in Tetbury are Asian Hornets, but not Asian Giant Hornets, which are a different species (and bigger, obvs - they're the ones that can grow up to two inches long). The Asian Hornets have been introduced and are fairly widespread across continental Europe, although they don't like cold winters so are more common in the south. They are actually slightly smaller than the native British Hornet, but they do have a taste for honey bees, which can make them a bit of a problem for beekeepers.