any of numerous leaping, homopterous insects of the family Cicadellidae that suck plant juices, many being serious crop pests.
Also called jassid.

1850–55, Americanism; leaf + hopper

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Example sentences
Good knowledge of the leafhopper species vectoring these diseases in potatoes and their source is needed to manage these diseases.
Mechanisms of resistance to leafhopper damage in cowpea.
The potato leafhopper is a serious problem on red maple causing severe economic damage in nurseries and landscape settings.
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