The rosemary beetle arrived in Britain over twenty years ago, and is chewing its way through our culinary favourites – heading north at an alarming rate

If you discover your favourite aromatic plants and herbs are looking chewed this autumn the culprit is almost certainly the rosemary beetle (Chrysolina Americana), an unwelcome new addition to the UK’s gardens – thanks to climate change.

Despite its name, Americana, its original home is the Mediterranean and North Africa, but the increasing warmth of the British climate means it can now survive and thrive here. It was first seen London in 1994 and after a slow start it has rapidly spread in England and now reached Scotland and Northern Ireland.

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Source: Guardian Environment