Delphacidae
Guides
Kelisoidea
Kelisoidea is a genus of planthoppers in the family Delphacidae, first described by Beamer in 1950. It belongs to the tribe Delphacini within the subfamily Delphacinae. The genus is known from Florida, where it inhabits wetland and marsh environments associated with grasses and sedges. As with other delphacid planthoppers, species in this genus are likely phytophagous, feeding on monocotyledonous host plants.
Kelisoidea versa
Kelisoidea versa is a species of planthopper in the family Delphacidae, described by Beamer in 1950. It belongs to the genus Kelisoidea within the tribe Delphacini. The species is part of the diverse Auchenorrhyncha suborder of Hemiptera, which includes many economically significant agricultural pests. As a delphacid planthopper, it likely shares the family's characteristic association with grasses and sedges, though specific biological details remain poorly documented in accessible literature.
Keyflana hasta
A small planthopper species in the family Delphacidae, described from North America in 1950. Records indicate presence in the southeastern United States. As with many delphacid planthoppers, it likely inhabits grassland and wetland habitats where host grasses occur.
Kormus californicus
Kormus californicus is a species of planthopper in the family Delphacidae, first described by Crawford in 1914. It belongs to the infraorder Fulgoromorpha, a group commonly known as planthoppers. The species is endemic to California, where it has been documented in distribution records. Like other delphacids, it is a small, sap-feeding insect associated with grassland and wetland habitats. Beyond its taxonomic classification and geographic occurrence, specific biological details remain poorly documented in available literature.
Kosswigianella wasatchi
Kosswigianella wasatchi is a species of planthopper in the family Delphacidae, described by Hamilton in 2002. The species belongs to a genus of small, grass-associated delphacid planthoppers. As a member of the subfamily Delphacinae, it possesses the characteristic enlarged movable spur on the hind tibia that distinguishes this group from other planthopper families. The specific epithet "wasatchi" references the Wasatch Range, suggesting a geographic association with this mountain region in western North America.
Kusnezoviella munda
Kusnezoviella munda is a species of planthopper in the family Delphacidae, described by Beamer in 1948. It belongs to the infraorder Fulgoromorpha within the suborder Auchenorrhyncha. The species has been documented from Alberta, Canada and Colorado, USA. As with other delphacid planthoppers, it is associated with grassland and wetland habitats where host plants occur.
Laccocera lineata
Laccocera lineata is a species of planthopper in the family Delphacidae, first described by Scudder in 1963. It belongs to the order Hemiptera, a group characterized by piercing-sucking mouthparts. The species is part of the genus Laccocera, which is classified within the tribe Delphacini. Distribution records indicate presence in western North America, specifically in the Canadian provinces of Alberta, British Columbia, and Saskatchewan, as well as the U.S. state of Washington.
Laccocera minuta
Laccocera minuta is a species of planthopper in the family Delphacidae, described by Penner in 1945. It belongs to the genus Laccocera, which comprises small delphacid planthoppers. The species has been recorded from Arizona, North America. Like other delphacids, it is likely associated with grass or sedge hosts, though specific ecological details remain poorly documented.
Laccocera obesa
Laccocera obesa is a planthopper species in the family Delphacidae, first described by Van Duzee in 1897. It belongs to a family known for including significant agricultural pests, particularly of cereal crops. The species has been recorded across western North America from Alberta to California.
Laccocera zonata
Laccocera zonata is a species of planthopper in the family Delphacidae, described by Van Duzee in 1897. It belongs to the infraorder Fulgoromorpha, a group of sap-feeding insects commonly known as planthoppers. Distribution records indicate this species occurs in western North America, with documented presence in Alberta, Arizona, California, Colorado, and Montana. As a member of Delphacidae, it is likely associated with grassland and wetland habitats where its host plants grow, though specific ecological details remain poorly documented.
Macrotomella
Macrotomella is a genus of planthoppers in the family Delphacidae. It was established by Van Duzee in 1907. Members of this genus belong to the tribe Delphacini and are part of the diverse delphacid fauna of North America. The genus contains relatively few described species and remains poorly documented in ecological literature.
Macrotomella carinata
Macrotomella carinata is a planthopper species in the family Delphacidae, first described by Van Duzee in 1907. It belongs to a family known for their distinctive enlarged frons and association with grasses and sedges. The species has been recorded from scattered localities in North America and Mexico.
Megamelus bifidus
Megamelus bifidus is a species of planthopper in the family Delphacidae, first described by Beamer in 1955. It belongs to a genus that includes species associated with wetland and aquatic habitats, particularly those linked to water hyacinth. The species is recorded from North America, specifically Kansas, New York, and Ontario.
Megamelus coronus
Megamelus coronus is a species of planthopper in the family Delphacidae, described by Beamer in 1955. The genus Megamelus comprises planthoppers associated with wetland and aquatic habitats, with several species known to feed on emergent aquatic vegetation. Megamelus coronus is recorded from Texas in North America. The species is part of a genus that includes some members used in biological control of invasive aquatic plants, though specific biological control applications for M. coronus have not been documented.
Megamelus davisi
waterlily planthopper
Megamelus davisi is a delphacid planthopper species in the family Delphacidae, commonly known as the waterlily planthopper. It occurs in North America and Oceania, with documented distribution records from multiple U.S. states including California, Florida, Georgia, and others. The species has been the subject of life history research, with formal descriptions of its immature stages published in the scientific literature.
Megamelus falcatus
Megamelus falcatus is a species of planthopper in the family Delphacidae, first described by Beamer in 1955. The species is known from the northeastern United States, with confirmed records from Connecticut, New Hampshire, and New York. As a member of the genus Megamelus, it is associated with wetland and aquatic habitats. The genus Megamelus is notable for having several species that have been investigated as hosts for egg parasitoids in the family Mymaridae, which are of interest for biological control research.
Megamelus flavus
Megamelus flavus is a species of delphacid planthopper in the family Delphacidae, described by Crawford in 1914. It belongs to the genus Megamelus, a group of planthoppers associated with aquatic and semi-aquatic habitats. Distribution records indicate presence in northern North America and parts of Asia.
Megamelus inflatus
Megamelus inflatus is a planthopper species in the family Delphacidae, first described by Metcalf in 1923. It belongs to the genus Megamelus, a group of delphacid planthoppers associated with wetland and aquatic habitats. The species is known from North America, with records from New York. Like other delphacids, it is presumed to feed on plant phloem, though specific host plant associations for this species remain undocumented.
Megamelus toddi
Megamelus toddi is a species of delphacid planthopper in the family Delphacidae, described by Beamer in 1955. The genus Megamelus comprises small planthoppers primarily associated with wetland and aquatic habitats, with many species feeding on monocotyledonous plants. Megamelus toddi is known from the southeastern United States, specifically recorded from Florida and Louisiana. Like other members of its genus, it is likely associated with emergent aquatic vegetation, though specific host plant records for this species are not well documented in the available literature.
Megamelus trifidus
Megamelus trifidus is a species of planthopper in the family Delphacidae, first described by Beamer in 1955. This species belongs to a genus that includes several economically important planthoppers associated with aquatic and semi-aquatic vegetation. Members of Megamelus are known to feed on monocotyledonous plants, particularly in wetland habitats. The specific biology and host associations of M. trifidus remain poorly documented compared to congeners such as M. scutellaris and M. paludicola, which have been studied as potential biological control agents for invasive aquatic weeds.
Megamelus ungulatus
Megamelus ungulatus is a species of planthopper in the family Delphacidae, described by Beamer in 1955. It belongs to the genus Megamelus, which comprises small delphacid planthoppers associated with wetland and aquatic habitats. The species is recorded from the eastern United States, with distribution records from Connecticut, Delaware, Florida, Georgia, and New Jersey. As a member of Delphacidae, it is presumed to feed on monocotyledonous plants, though specific host associations for this species remain undocumented.
Meristopsis melanosteptos
Meristopsis melanosteptos is a species of planthopper in the family Delphacidae, described from specimens collected in Florida and Oaxaca, Mexico. The species belongs to a genus of small delphacid planthoppers characterized by reduced wing venation and distinctive male genitalia. It was formally described in 2012 as part of a taxonomic revision of New World delphacine genera. Like other members of Delphacidae, it is presumed to feed on monocotyledonous plants, though specific host associations remain undocumented.
Muellerianella
Muellerianella is a genus of delphacid planthoppers comprising seven described species. The genus is notable for its complex reproductive biology, including both biparentally reproducing sexual species and asexual gynogenetic (pseudogamous) triploid forms. Species within the genus are morphologically similar but ecologically differentiated, occupying distinct habitat niches and exhibiting species-specific host plant associations. The Muellerianella complex has been extensively studied as a model system for understanding ecological speciation, hybridization, and the maintenance of species boundaries in the face of incomplete reproductive isolation.
Muirodelphax parvulus
Muirodelphax parvulus is a species of delphacid planthopper in the family Delphacidae. It is found in North America, with distribution records from Alabama, Arizona, Arkansas, Delaware, and the District of Columbia. As a member of the Delphacidae, it belongs to a family characterized by a movable spur on the hind tibia, a trait that distinguishes delphacid planthoppers from other planthopper families. The genus Muirodelphax contains multiple species of small planthoppers associated with grasses and sedges.
Muirodelphax peneluteus
Muirodelphax peneluteus is a small planthopper species in the family Delphacidae, described by Beamer in 1948. It belongs to a genus associated with wetland and grassland habitats. The species has been recorded from scattered localities across the southeastern and central United States.
Muirodelphax unda
Muirodelphax unda is a species of planthopper in the family Delphacidae, originally described by Metcalf in 1923. It belongs to the genus Muirodelphax, which comprises small delphacid planthoppers. The species has been treated as a synonym of Delphacodes unda in some taxonomic databases, reflecting ongoing taxonomic uncertainty in this group. Delphacid planthoppers are generally associated with grass and sedge habitats, though specific ecological data for M. unda remain limited.
Neomegamelanus elongatus
Neomegamelanus elongatus is a species of delphacid planthopper in the family Delphacidae. It was originally described as Megamelanus elongatus by Ball in 1905. The species is found in the Caribbean and North America, with distribution records from Connecticut, Delaware, Florida, Georgia, and Louisiana. Two subspecies are recognized: N. e. elongatus and N. e. reductus.
Neomegamelanus penilautus
Neomegamelanus penilautus is a species of planthopper in the family Delphacidae, first described by McDermott in 1952. It belongs to a genus of small, grass-feeding insects commonly known as delphacid planthoppers. The species is recorded from Florida and is part of the North American fauna of this economically significant insect family. Like other delphacids, it likely inhabits wetland and grassland habitats associated with its host plants.
New-genus-on-dichanthelium
New-genus-on-dichanthelium is a genus of delphacid planthoppers in the family Delphacidae. The genus name derives from its association with host plants in the genus Dichanthelium, a group of panic grasses. Delphacids are characterized by a movable spur on the hind tibia, an adaptation for jumping. Species in this genus appear to be specialized feeders on Dichanthelium grasses.
Nilaparvata gerhardi
Nilaparvata gerhardi is a species of planthopper in the family Delphacidae, first described by Metcalf in 1923. It belongs to the genus Nilaparvata, which includes several economically significant rice pests, most notably the brown planthopper (N. lugens). Unlike its congener N. lugens, which is a major agricultural pest in Asia, N. gerhardi appears to have a more limited distribution in North America. The species has been recorded in multiple U.S. states and Canadian provinces.
Nilaparvata serrata
Nilaparvata serrata is a planthopper species in the family Delphacidae, described by Caldwell in 1951. It is currently recognized as a synonym of Nilaparvata guianensis. The genus Nilaparvata includes several economically significant rice pests, most notably the brown planthopper (Nilaparvata lugens), though N. serrata itself is not among the major agricultural pests. Species in this genus are characterized by their association with grass hosts and their role as vectors of plant pathogens.
Nilaparvata wolcotti
Nilaparvata wolcotti is a delphacid planthopper species in the genus Nilaparvata, which also includes the economically important rice pest Nilaparvata lugens. The species was described by Muir and Giffard in 1924. Unlike its congener N. lugens, which is a major agricultural pest in Asian rice systems, N. wolcotti occurs in North America with distribution records from Arizona, California, Colorado, Delaware, and Florida. Very little is known about its biology, ecology, or host associations.
Nothodelphax
Nothodelphax is a genus of delphacid planthoppers in the family Delphacidae, containing more than 20 described species. These insects are small, winged hemipterans characteristic of the Delphacidae family. One species, Nothodelphax occlusa, has been documented utilizing Juncus effusus (common rush) as a host plant in the Pacific Northwest.
Nothodelphax albocarinata
Nothodelphax albocarinata is a species of planthopper in the family Delphacidae, described by Stål in 1858. It belongs to a genus of small, grass-associated delphacids found primarily in temperate and boreal regions. The species has been documented across disjunct localities in North America and northern Asia.
Nothodelphax eburneocarinatus
Nothodelphax eburneocarinatus is a species of planthopper in the family Delphacidae, described by Anufriev in 1979. It belongs to a genus of small delphacid planthoppers characterized by reduced wing venation and simplified body structures. The species epithet 'eburneocarinatus' refers to ivory-colored carinae (ridges), likely describing a distinctive morphological feature of the head or thorax. As with other Nothodelphax species, it is presumed to inhabit moist grassland or marsh environments and feed on monocotyledonous plants.
Nothodelphax glacia
Nothodelphax glacia is a species of planthopper in the family Delphacidae, described by Wilson in 1992. It belongs to a genus of small, delicate insects commonly associated with grasses and sedges in wetland and riparian habitats. The species epithet 'glacia' suggests a possible association with glacial or cold-water environments, though this connection has not been formally documented. Like other delphacids, it likely feeds on plant phloem using piercing-sucking mouthparts.
Nothodelphax lineatipes
Nothodelphax lineatipes is a species of delphacid planthopper in the family Delphacidae. It was described by Van Duzee in 1897. The species is known to occur in North America, with distribution records from Alberta, Arizona, British Columbia, California, and Delaware.
Nothodelphax neocclusa
Nothodelphax neocclusa is a species of planthopper in the family Delphacidae, originally described as Delphacodes neocclusa by Muir & Giffard in 1924. It belongs to a genus of small, grass-feeding delphacids distributed across North America. The species has been recorded from western North American regions including Alberta, British Columbia, California, and Colorado.
Nothodelphax occlusa
Nothodelphax occlusa is a planthopper in the family Delphacidae. The species has been documented utilizing Juncus effusus (soft rush) as a host plant in the Pacific Northwest. Like other delphacids, it is likely associated with wetland and marsh habitats where its host plant grows.
Nothodelphax umbrata
Nothodelphax umbrata is a species of planthopper in the family Delphacidae, described by Emeljanov in 1982. It belongs to a genus of small, often wetland-associated planthoppers found primarily in northern latitudes. The species has been recorded from boreal and subarctic regions including parts of northern Asia and North America. As with other delphacid planthoppers, it likely inhabits moist environments associated with its host plants.
Obtusicranus
Obtusicranus is a genus of planthoppers in the family Delphacidae, subfamily Stenocraninae. It was established by Bartlett in 2006. Members of this genus are small, delicate insects characterized by their distinctive head structure with a blunt, rounded frons. The genus is part of the diverse Delphacidae family, which contains many economically important agricultural pests, though specific impacts of Obtusicranus species are not well documented.
Opiconsiva
Opiconsiva is a genus of planthoppers in the family Delphacidae, first described by Distant in 1917. As members of the Delphacidae, these insects belong to a family characterized by a distinctive movable spur on the hind tibia. The genus is placed within the subfamily Delphacinae and tribe Delphacini. Records indicate very few documented observations, suggesting it may be rare, understudied, or restricted to specific habitats.
Paradelphacodes litoralis
Paradelphacodes litoralis is a species of planthopper in the family Delphacidae, first described by Reuter in 1880 under the basionym Delphacodes litoralis. It belongs to the diverse group of true bugs within the order Hemiptera. The species has been recorded across a broad geographic range spanning northern Eurasia and North America, including the Amur region, Buryatia, Khabarovsk, England, and British Columbia.
Paradelphacodes paludosus
Paradelphacodes paludosus is a species of planthopper in the family Delphacidae, first described by Flor in 1861. It belongs to a genus of small, delicate insects commonly known as delphacid planthoppers. Very little specific biological information has been published for this species. Distribution records indicate occurrence across a broad geographic range spanning northern Europe through eastern Asia, including Alaska and parts of Russia and China.
Paraliburnia
Paraliburnia is a genus of delphacid planthoppers in the family Delphacidae, established by Jensen-Haarup in 1917. The genus contains seven described species distributed primarily in northern Europe. Members of this genus are small, slender insects that feed on plants and are part of the diverse assemblage of planthoppers within the Delphacidae family.
Paraliburnia furcata
Paraliburnia furcata is a species of planthopper in the family Delphacidae, described by Hamilton in 2002. It belongs to the genus Paraliburnia within the tribe Delphacini. The species is known from British Columbia, representing part of the North American distribution of this genus. Like other delphacid planthoppers, it is likely associated with grassland or meadow habitats where host grasses occur.
Paraliburnia lecartus
Paraliburnia lecartus is a species of planthopper in the family Delphacidae, described by Hamilton in 2002. It belongs to the genus Paraliburnia, a group of small delphacid planthoppers characterized by their reduced wings and associated with wetland habitats. The species is known from British Columbia, Canada, and represents one of the few documented members of this genus in North America.
Pareuidella magnistyla
Pareuidella magnistyla is a species of planthopper in the family Delphacidae, first described by Crawford in 1914. The species is characterized by distinctive male genitalia with enlarged styles, as indicated by its specific epithet. It has been recorded from scattered locations across the southern United States and Mexico, with very few documented observations.
Pareuidella triloba
Pareuidella triloba is a species of planthopper in the family Delphacidae, first described by Metcalf in 1923. The species belongs to a family whose members are commonly known as delphacid planthoppers, many of which are associated with grasses and sedges. Distribution records indicate presence in the southeastern and central United States.
Pentagramma bivittata
Pentagramma bivittata is a species of delphacid planthopper in the family Delphacidae. It has been recorded from British Columbia, Kansas, Nebraska, Ohio, and Texas in North America, with broader distribution reported across the Caribbean, Central America, and South America. As a member of the subfamily Asiracinae and tribe Idiosystanini, it belongs to a specialized group within the planthopper family Delphacidae.