Description
Adult
Forewing length of 7-12 mm. Forewings are pale yellow to tan with brown to dark brown markings. Most specimens have a costal spot and median band which is well defined from the costa to 1/3 of the distance to the dorsum.
Larvae
Late instar larvae are 18-25 mm in length. The abdomen is brown to olive green with whitish pinacula and a pale lateral line below the spiracles. Head and prothoracic shield are dark brown to black. Anal comb is present with 6-8 long teeth.
Eggs
Laid in small orange masses on the host plant.
Distribution
Across Europe as far east as Turkey. Also present in the United States.
Economic Host(s)
Primarily a pest of strawberry, blackberry and black currant in Europe and also cultivated flowers in greenhouses.
Symptoms/Signs
Larvae feed within webbed leaves and can cause serious damage to foliage, flowers and developing fruits.
Generations:
Generations: 2-3 (climate dependent)