Learn about the pests that damage grapevine and its control. 1. Grapevine Leafhopper, Erythroneura Spp. (Hemiptera: Cicadellidae): Wherever grapes are grown, various species of leafhoppers are almost invariably found sucking sap from the lower surface of leaves. Life-Cycle: The adults pass the winter in protected places, usually under plant remnants on the ground. During spring, […]