Oviposition of three Erythroneura species on grape leaves in western Texas

Ovipositional sites and patterns of three species of Erythroneura (Homoptera: Cicadellidae) leafhoppers that infest grape vineyards on the Texas High Plains were studied. The three species, Erythroneura coloradensis (Gillette), Erythroneura vulnerata Fitch, and Erythroneura ziczac (Walsh), significantly oviposit greater numbers of eggs in top surfaces, in the mesophyll portion near vascular bundles, and in bottom surfaces of leaves under the epidermis, respectively. Ovipositional sites may be used to identify the leafhopper species that infest vineyards on the Texas High Plains.