A leafhopper is the common name for any species from the family Cicadellidae. These minute insects, colloquially known as hoppers, are plant feeders that suck plant sap from grass, shrubs, or trees. Their hind legs are modified for jumping, and are covered with hairs that facilitate the spreading of a secretion over their bodies that acts as a water repellent and carrier of pheromones. They undergo a partial metamorphosis, and have various host associations, varying from very generalized to very specific. Some species have a cosmopolitan distribution, or occur throughout the temperate and tropical regions. Some are pests or vectors of plant viruses and phytoplasmas. The family is distributed all over the world, and constitutes the second-largest hemipteran family, with at least 20,000 described species.
They belong to a lineage traditionally treated as infraorder Cicadomorpha in the suborder Auchenorrhyncha, but as the latter taxon is probably not monophyletic, many modern authors prefer to abolish the Auchenorrhyncha and elevate the cicadomorphs to a suborder Clypeorrhyncha. Members of the tribe Proconiini of the subfamily Cicadellinae are commonly known as sharpshooters.

[
"Hemiptera",
"Empoasca decipiens",
"Empoasca fabae",
"Paraphlepsius irroratus",
"Limotettix",
"Exitianus indicus",
"Exitianus exitiosus",
"Aphrodes makarovi",
"Austroagallia torrida",
"Eupteryx decemnotata",
"Idiocerinae",
"Nephotettix virescens",
"Nephotettix cincticeps",
"Stirellus bicolor",
"Nesoclutha",
"Oncometopia clarior",
"Ceratagallia",
"Brochosome",
"Balclutha rubrostriata",
"Colladonus",
"Nirvaninae",
"Graphocephala fennahi",
"Empoasca flavescens",
"Ribautiana",
"Agalliinae",
"Membracoidea",
"Edwardsiana",
"Graminella",
"Diplocolenus",
"Mukariinae",
"Ledrinae",
"Thamnotettix",
"Idioscopus nitidulus",
"Typhlocyba",
"Empoasca onukii",
"Empoasca vitis",
"Empoasca",
"Typhlocybinae",
"Macropsinae",
"Cicadulina",
"Evacanthinae",
"Erythroneura",
"Neoaliturus",
"Scaphytopius",
"Draeculacephala minerva",
"Ollarianus",
"Aphrodes bicincta",
"Amrasca devastans",
"Chlorotettix",
"Typhlocyba pomaria",
"Maize chlorotic dwarf virus",
"Idioscopus clypealis",
"Kolla paulula",
"Dalbulus maidis",
"Athysanella",
"Dryodurgades",
"Asymmetrasca decedens",
"Macrosteles sexnotatus",
"Megophthalminae",
"Coelidiinae",
"Grape leafhopper",
"Schizophragma",
"Austroagallia",
"Fieberiella florii",
"Cicadomorpha",
"Deltocephalinae",
"Amrasca biguttula",
"Cicadellinae",
"Zyginidia pullula",
"Colladonus montanus",
"Graphocephala",
"Homalodisca insolita",
"Circulifer",
"Scaphytopius acutus",
"Cuerna costalis",
"Graphocephala versuta",
"Rice dwarf virus RDV",
"Oat blue dwarf virus",
"Graphocephala atropunctata",
"Agallia constricta",
"Sophonia rufofascia",
"Wheat dwarf virus",
"Edwardsiana rosae",
"Beet leafhopper",
"Macropsis fuscula",
"Empoasca decedens",
"Osbornellus",
"anagrus erythroneurae",
"Sophonia orientalis",
"Dalbulus quinquenotatus",
"Erasmoneura vulnerata",
"Orosius argentatus",
"Eupteryx melissae",
"Euscelis plebejus",
"Stethynium",
"Puccinia myrsiphylli",
"Opsius stactogalus",
"Xestocephalinae"
]