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Grape Berry Moth (Paralobesia viteana)

The grape berry moth is a member of the family of tortrix moths. It is considered one of the greatest pests to grapes and vineyards in North America.

Grape Berry Moth

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Scientific Classification


  • Family: Tortricidae
  • Genus: Paralobesia
  • Scientific Name: Paralobesia viteana

Description and Identification

Caterpillar

The caterpillar is initially creamy-white with a dark brown head, becoming greenish and eventually purple. The final instar is about 1 cm long.

Grape Berry Moth Larvae

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Pupa

Mature larvae pupate either in a leaf, bark crevice, or underground.

Adult Moth

Sexual Dimorphism: Present but not prominent. 

Color and Appearance

Forewing: When the wings are opened, a brown color with a mild purplish sheen and a band in the mid-section is observed. When the wings are closed, the colors and patterns remain visible.

Hindwing: When the wings are opened, they are more cream-colored and lighter. When the wings are closed, they can no longer be seen.

Average wingspan: 0.8-1.3 cm

Flight pattern: Erratic

Season:  March to August

Paralobesia viteana

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Egg

Females lay around 20 eggs singly on the host plants at dusk, hatching after about 4-8 days.

Quick Facts

DistributionEastern North America
HabitatVineyards and other grape-growing regions
Lifespan of AdultsNot recorded
Host PlantsPrimarily grape; also, blackberry and sassafras
Adult DietDoes not feed

Did You Know

  • American entomologist James Brackenridge Clemens first described this species in 1860.
Grape Berry Moth Image

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Grape Berry Moth Damage

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Grape Berry Moth Picture

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