Description

Adult

Wingspan of 18-25 mm. Forewings with a creamish yellow ground colour with reddish brown markings, and metallic streaks or spots. A small pale-yellow blotch is usually present halfway down the wing.

Larvae

Body is green with the pinacula and anal plate yellowish-green. Head chestnut brown and prothoracic plate brown to yellowish-green. Anal comb present with 8-10 large prongs.

Eggs

Laid in yellowish-brown batches on leaves of their host.

Distribution

Europe, Asia and North America.

Economic Host(s)

Raspberry (Rubus), a range of trees including hazel (Corylus), ash (Fraxinus), birch (Betula) and oak (Quercus)

Symptoms/Signs

Early instars feed at the tip of leaves and later instars spin leaves together and feed within a silken tubular opening.

Generations:

1