Rosemary Beetle - Chrysolina americana


    Attractive, 8mm long, metallic green beetle with purple stripes.

    Identification difficulty

    To be found on Rosemary, Lavender, Thyme, Sage and some other related plants.

    When to see it

    May to October.

    Life History

    The soft-bodied grubs are greyish white with five darker longitudinal lines; fully grown larvae are 5 to 8mm long.

    UK Status

    The beetle is a native of southern Europe that has become an established pest in Britain since the 1990s especially in the south east of England. It seems to be rapidly colonising the country.

    VC55 Status

    Numbers in Leicestershire and Rutland have increased rapidly in recent years.

    Further Information

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    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map