Description

Adult

Wingspan of 12-18 mm. Forewings yellow to yellowish-orange with a well-defined dark brown to black median band. Hindwings are grey with fringes.

Larvae

Late instar reach 10-12 mm in length. Body colour ranges from brown to yellow and green. Head, prothoracic plate and legs are dark brown to black. Pinacula are large, conspicuous and dark brown. The anal shield is pale brown.

Eggs

Slightly elliptical in shape, 0.8 mm in length and pale yellow. Laid singly on bracts and buds in the first generation and on berries in the second generation.

Distribution

Everywhere that olives are grown – southern Europe, northern and eastern Africa, the Middle East, India, the United States and Mexico.

Economic Host(s)

Grape (Vitis)

Symptoms/Signs

Early instars burrow into buds or berries to feed internally. Later instars web berries and buds together with silk to feed.

Generations:

Generations: 2