Brassica Shieldbug
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Eurydema oleracea
Common & widespread in Southern & Central England.
Adults are seen during Spring & early Summer.
Has a shiny, flat, dark-colored body about 5–7 mm (0.20–0.28 in) long and 4 mm (0.16 in) wide.
The species has a dark ground colour, which is overlain with red, yellow, cream, white, or orange markings.
An oval spot is on the top of the mesonotum and one on each of the elytra, as well as a longitudinal stripe on the prothorax.
The colour of the abdomen changes at the same time from buff to black. Such age-specific changes in the imago coloration are connected with sexual maturation of the bugs and often take place in diapausing imagos at the time they are becoming active again.