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A planthopper is any insect in the infraorder Fulgoromorpha, [1] in the suborder Auchenorrhyncha, [2] a group exceeding 12,500 described species worldwide. The name comes from their remarkable resemblance to leaves and other plants of their environment and that they often "hop" for quick transportation in a similar way to that of grasshoppers .
Pharsalus repandus is a species of planthopper insects described by Leopold Melichar in 1906. [1] It is the sole member of Pharsalus , the type genus of the subfamily Pharsalinae of the family Ricaniidae .
Metcalfa pruinosa, the citrus flatid planthopper, is a species of insect in the Flatidae family of planthoppers first described by Thomas Say in 1830. [ 1 ] Subspecies
Like most members of the order Hemiptera (popularly known as the "bug" or "true bugs" order) they live on phloem sap that they extract with their piercing, sucking mouth parts. Planthoppers are the only animals known to possess a gear mechanism, [1] and Issus coleoptratus is the first type of planthopper to have the mechanism formally described.
Issus coleoptratus nymph. These insects are unable to fly, unlike most members of their family.They feed on the phloem of different trees, such as lime trees (Tilia species), oaks (Quercus species), maples (Acer species), birches (Betula species), elms (Ulmus species) and hazels (Corylus species).
Pyrilla perpusilla, commonly known as the sugarcane planthopper, [1] is a planthopper in the family Lophopidae. It is native to Asia where it feeds on grasses and other plants and is a major pest of sugarcane and sorghum .
Ricania speculum, common name Black planthopper or Ricaniid Planthopper, is a species of planthoppers belonging to the family Ricaniidae. [ 2 ] This species is considered a major agricultural pest for several crops in tropical and subtropical areas (apples, coffee plants, oil palms, Citrus species, etc.).
Siphanta acuta is a species of planthopper in the family Flatidae; this species is native to Australia, but is now found in various other parts of the world. About 10 mm long, they resemble small leaves and are generally found in trees. Its common names are Green Planthopper (in Australia and New Zealand) and Torpedo Bug (in Hawaii). [2]