Description

Adult

Wingspan of 15-18 mm. Forewings grey with dark and pale transverse patches

Larvae

Final instars reach 10-12 mm in length. Body is grey with a yellow to pale brown head and a dark brown prothoracic plate.

Eggs

Laid on bark wounds and fruit.

Distribution

Europe, except Fennoscandia, Asia, the Middle East and Morroco.

Economic Host(s)

Fruit tree crops including apple, pear, plum, quince, apricot, walnut and olive.

Symptoms/Signs

Larvae can feed on cambium below the bark causing swelling and cracking on the nark of limbs, accompanied by internal bark necrosis and desiccation of limbs and twigs. Larvae also feed on fruit, boring into the pulp to feed.

Generations:

Generations: 1-3