In some plants, leaf edges will curl under. Leaves may have a crinkling appearance on the upper surface. Stunting or dwarfing may result on severely affected plants. The adult potato leafhopper is one-sixth of an inch long. They hold their wings in a wedged shape or peaked-roof position.
Adults are bright yellow-green in color.
The nymphs, or immature stages, resemble adults. They are shorter and paler in color. The nymphs lack wings, but the older nymphs have visible wing pads. The female leafhopper deposits slender white eggs within the stems and larger veins of leaves. It takes three to four weeks to go from the egg stage to become an adult.