How to Manage Pests

Pests in Gardens and Landscapes

Pest identification and confirmation—Leafhoppers

Leafhoppers may sometimes be confused with aphids or lygus bugs. Look for leafhoppers or their cast skins on the undersides of affected leaves. Look at their actions; they are faster than aphids and run sideways and jump. Lygus bug nymphs are light green and also move much faster than aphids. They can be identified by their red-tipped antennae. Aphids can be distinguished by two tubelike structures, called cornicles, protruding from the hind end. One or more long rows of spines on the hind legs of leafhoppers and characters on their head distinguish leafhoppers from most other insects they resemble.

Here are some common leafhopper species in gardens and landscapes:

Adult rose leafhopper
Adult rose leafhopper

Adult grape leafhopper
Adult grape leafhopper

Variegated leafhopper adult
Variegated leafhopper adult

Adult potato leafhopper
Adult potato leafhopper

Aster leafhopper
Aster leafhopper

 


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