Dock Bug (Coreus marginatus) *Last instar nymph

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A large and mottled reddish-brown squashbug with a broad, oval abdomen. The two small projections between the antennae are diagnostic.

There is one generation per year, adults mating and laying eggs in spring. The nymphs feed on dock and other related plants in the Polygonaceae; new adults may be found from August onwards. Common and widepread in southern Britain, including Ireland, where it may be found in a variety of dry and damp habitats….British Bugs

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Photographed on a Boysenberry

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