This aphid (Eriosoma lanigerum) arrived in Britain in the 18th century and is now very common. Woolly aphids feed on apples and ornamentals that are closely related, such as crab apples, chaenomeles, ...
Sugar beet growers have been warned that farm hygiene is "critical" to protect their crops after Defra refused an emergency bid to use a neonicotinoid pesticide.