Originally from the USA, it was introduced to Europe early in the last century, and has now spread over southern England. The adult and nymph feed on the sap of rhododendrons.
The adult, 7-9mm long, can be found on rhododendrons from late spring to late autumn, and overwinters as eggs. Please let us know if you see this bug in gardens or the countryside; a date and grid reference or full postcode are important. You can add the record directly onto the Essex Field Club website below. Good hunting.