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.
- Family: Tortricidae
- Genus: Paralobesia
- Scientific Name: Paralobesia viteana
Description and Identification
The caterpillar is initially creamy-white with a dark brown head, becoming greenish and eventually purple. The final instar is about 1 cm long.
Mature larvae pupate either in a leaf, bark crevice, or underground.
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
Females lay around 20 eggs singly on the host plants at dusk, hatching after about 4-8 days.
|Distribution||Eastern North America|
|Habitat||Vineyards and other grape-growing regions|
|Lifespan of Adults||Not recorded|
|Host Plants||Primarily grape; also, blackberry and sassafras|
|Adult Diet||Does not feed|
Did You Know
- American entomologist James Brackenridge Clemens first described this species in 1860.