Agallia

Agallia is a genus of leafhoppers in the subfamily Megophthalminae erected by John Curtis in 1833. Species are mostly found in the western Palaearctic realm and the Americas.

There are about eight species in North America. During courtship displays and mating, both males and females of the species A. constricta alternate in making ticking sounds. thumb|center|Agallia constricta thumb|center|Agallia quadripunctata