Wingspan 38-40 mm. Both wings white with purplish sheen and a broad bronze-brown border. Body predominantly white with head, prothorax & tip of abdomen bronze-brown. Occasionally adults can be almost entirely brown with a pair of white spots on the forewings.
Length up to 38 mm. Body mainly green and patterned with white & yellow stripes & a row of black, white rimmed spots. Head shiny black.
Pale yellow to brown, 1mm in size, laid in gelatinous masses of 10-20 on the underside of leaves.
Native to East Asia, and has now spread across central and southern Europe
Leaves and occasionally bark of a wide variety of box tree (Buxus) species.
Larval feeding damage can be seen on leaf edges with sometimes only a leaf skeleton remaining. Webbing of branches with frass and exoskeleton residues (black head capsules) are also signs. Bark feeding causes the plant to dry out and die.
April to October (climate dependent)