How to Manage Pests

Pests in Gardens and Landscapes

Pest identification and confirmation—Treehoppers

Two common treehopper species in landscapes

Oak treehopper Platycotis vittata
Oak treehopper
Platycotis vittata

The oak treehopper is common in the spring throughout the United States on the lower branches of deciduous and live oaks and occasionally on birch, chestnut, or other broadleaf trees. Adults are olive green to bronze with reddish bands and their surface is covered with tiny pits. They often scurry to the opposite side of the twig or leaf when approached. Females usually remain with their eggs and the nymphs after they emerge. The nymphs are black with yellow and red markings. The spring generation is colorful and usually gregarious; individuals typically aggregate in rows on twigs.

Buffalo treehopper Stictocephala bisonia
Buffalo treehopper
Stictocephala bisonia

The buffalo treehopper is common in landscapes throughout the United States. Its hosts include ash, elm, fruit trees, hawthorn, locust, poplar, and many herbaceous plants. Adults are bright green or yellowish with a yellowish underside. Nymphs are green with prominent spines on the back.

Statewide IPM Program, Agriculture and Natural Resources, University of California
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