Delphacidae
From Pestinfo-Wiki

Nilaparvata lugens adult (click on image to enlarge it)
Author(s): Natasha Wright, Florida Department of Agriculture and Consumer Services
Source: IPM Images
Author(s): Natasha Wright, Florida Department of Agriculture and Consumer Services
Source: IPM Images
Delphacidae
This family contains small leaf-sucking species called planthoppers. They are characterized by a prominent, broad, flat and mobile spur on the hind tibia. Several species are vectors of plant diseases.
For details see the respective page in Wikipedia.
The following genera and individual species are currently entered under Delphacidae: