Wildlife of Britain

Shield Bugs in Britain: An Overview Shield bugs, also known as stink bugs, are a distinctive group of insects in the family Pentatomidae, named for their characteristic shield-shaped bodies.  They are common across the British Isles, with species found in gardens, hedgerows, meadows, and woodland edges. Appearance and Identification Shield bugs range from 5–20 mm in length, often with brightly patterned or camouflaged exoskeletons.  Their most identifiable feature is the broad, triangular scutellum that forms the “shield” on their backs.  They typically have antennae with five segments, and many can release a pungent odor when threatened, a defense mechanism against predators. Common species in Britain include: Green Shield Bug (Palomena prasina) – metallic green, sometimes turning brown in autumn. Hawthorn Shield Bug (Acanthosoma haemorrhoidale) – larger, brown with red edges. Parent Bug (Elasmucha grisea) – greyish-brown, notable for parental care of eggs. Habitat and B...