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White-shouldered Shieldbug
Dyroderes umbraculatus
Family: Pentatomidae

 A largely brown species with characteristic broad white margins to the front of the pronotum and a white-tipped scutellum. Adults and nymphs feed on bedstraws Galium species and there is one generation a year.

Although well established in the Channel Islands, it was not recorded form the British mainland until 2013, when a population was found at Perivale Woods in London. There have been subsequent records from various parts of southern England, including the Southampton area and Kent.

Adult: All year
Length 7-9 mm

 Dyroderes umbraculatus
Adult: Spain (June 2013) ©Tristan Bantock
Dyroderes umbraculatus Dyroderes umbraculatus
Adult: Jersey (May 2019) ©Simon Robson

 		Final instar nymph: Jersey (August 2011) ©Simon Robson