Planthopper
Guides
Javesella
Javesella is a genus of delphacid planthoppers (family Delphacidae) established by Fennah in 1963, containing at least 20 described species. The genus is best known through Javesella pellucida, a significant agricultural pest and virus vector. Species in this genus exhibit wing dimorphism and are associated with grass hosts including cereals.
Javesella discolor
Javesella discolor is a species of planthopper in the family Delphacidae, a group of small, plant-feeding insects in the order Hemiptera. The species was described by Boheman in 1847. Records indicate presence in northern and central Asian regions including Alaska and parts of Russia. As a member of Delphacidae, it possesses the characteristic features of this family including a movable spur on the hind tibia. The species is documented in natural history collections and citizen science observations, though detailed biological studies appear limited.
Javesella pellucida
Javesella pellucida is a delphacid planthopper with a broad geographic distribution spanning Europe, Asia, Africa, and the Americas. It is documented as a pest of cultivated plants, with confirmed feeding associations on rice (Oryza sativa) and Italian ryegrass (Lolium multiflorum). The species exhibits wing dimorphism with distinct macropterous and brachypterous forms, and serves as a vector for multiple plant viruses including European wheat striate mosaic virus and Festuca leaf streak virus. Transovarial virus transmission has been demonstrated, with 85-96% of progeny from infected females becoming infective.
Juniperthia indella
Juniperthia indella is a species of planthopper in the family Achilidae, first described by Ball in 1933. It belongs to the tribe Plectoderini within the subfamily Myconinae. Records indicate this species occurs in the southwestern United States.
Juniperthia producta
Juniperthia producta is a species of planthopper in the family Achilidae, first described by Van Duzee in 1915. Like other members of Achilidae, it belongs to the superfamily Fulgoroidea within the order Hemiptera. The species has been recorded from California, USA, based on distribution data from GBIF and iNaturalist. As with many fulgoroid planthoppers, detailed natural history information for this species remains limited.
Juniperthia unimaculata
Juniperthia unimaculata is a species of planthopper in the family Achilidae, first described by O'Brien in 1971. It belongs to the tribe Plectoderini within the subfamily Myconinae. The species is known from California, USA. As a member of Achilidae, it is a small, often overlooked planthopper associated with woody vegetation.
Kallitaxila
Kallitaxila is a genus of planthoppers in the family Tropiduchidae, tribe Tambiniini. The genus includes Kallitaxila granulata, a polyphagous species that has been introduced to southeastern China, the Philippine islands, and Hawaii, where it has caused significant damage to agricultural and forest ecosystems. Members of this genus possess complex sensory equipment on their heads, including seven distinct types of sensilla on antennae, maxillae, and labium.
Kathleenum
Kathleenum is a genus of planthoppers in the family Issidae, described by Gnezdilov in 2004. It belongs to the tribe Thioniini and subtribe Thioniina within the subfamily Issinae. The genus is part of the diverse fulgoroid radiation of Hemiptera, characterized by their distinctive body forms and reduced wings in many species. As a relatively recently described genus, its species-level diversity and biology remain incompletely documented.
Kathleenum cornutum cornutum
Kathleenum cornutum cornutum is a subspecies of planthopper in the family Issidae, described by Melichar in 1906. It belongs to the infraorder Fulgoromorpha, a group of hemipteran insects commonly known as planthoppers. The specific epithet 'cornutum' (Latin for 'horned') suggests the presence of horn-like projections, a trait found in various Issidae species. This subspecies is part of the Neotropical issid fauna, though detailed biological studies remain limited.
Kathleenum cornutum utahnum
Kathleenum cornutum utahnum is a subspecies of planthopper in the family Issidae, originally described by Ball in 1935. It belongs to a group of small, often cryptic insects commonly known as issid planthoppers or twig hoppers. The subspecies epithet 'utahnum' indicates a geographic association with Utah, distinguishing it from the nominate subspecies. Like other issids, it likely inhabits grassland or shrubland environments where it feeds on plant phloem sap.
Kelisia
Kelisia is a genus of delphacid planthoppers established by Fieber in 1866. The genus contains more than 50 described species and is classified within the subfamily Kelisiinae of the family Delphacidae. Species in this genus are small, sap-feeding insects associated with grasses and sedges.
Kelisia axialis
Kelisia axialis is a small planthopper species in the family Delphacidae, described by Van Duzee in 1897. It belongs to the subfamily Kelisiinae and is one of numerous species in the genus Kelisia. The species has been documented in scattered localities across the northeastern and north-central United States.
Kelisia bimaculata
Kelisia bimaculata is a species of planthopper in the family Delphacidae, first described by Beamer in 1945. The specific epithet 'bimaculata' refers to two spots or markings, likely on the wings or body. It belongs to the subfamily Kelisiinae, a group of small planthoppers associated with sedges and other wetland vegetation. Records indicate presence in New Hampshire and Wisconsin, suggesting a distribution in the northeastern and north-central United States.
Kelisia curvata
Kelisia curvata is a species of delphacid planthopper described by Beamer in 1945. It belongs to the family Delphacidae, a group of small, sap-feeding insects commonly associated with grasses and sedges. The species is known from the eastern and southeastern United States.
Kelisia hyalina
Kelisia hyalina is a species of planthopper in the family Delphacidae, described by Beamer in 1945. It belongs to the subfamily Kelisiinae, a group of small insects commonly known as delphacid planthoppers. The species has been recorded from several localities in North America including Illinois, Kansas, Ontario, and Québec. As a member of the Delphacidae, it is presumed to feed on plant phloem sap, though specific host associations for this species have not been documented in the available literature.
Kelisia spinosa
Kelisia spinosa is a species of delphacid planthopper described by Beamer in 1945. It belongs to the family Delphacidae, a group of small planthoppers commonly associated with grasses and sedges. The species is known from scattered records in North America, with documented occurrences in the northern United States and southern Canada. Like other delphacids, it possesses a distinctive moveable spur on the hind tibia.
Kelisia torquata
Kelisia torquata is a species of planthopper in the family Delphacidae, described by Beamer in 1951. The species belongs to the subfamily Kelisiinae, a group of small delphacid planthoppers. Distribution records indicate presence in North America, with documented occurrences in Connecticut, Minnesota, North Carolina, and Saskatchewan. The genus Kelisia comprises grass-feeding planthoppers, though species-level ecological details for K. torquata remain poorly documented.
Kelisiinae
Kelisiinae is a subfamily of planthoppers within the family Delphacidae, established by Wagner in 1963. Members are small, sap-feeding insects in the order Hemiptera. The subfamily is relatively poorly studied compared to other delphacid groups, with limited published information on its constituent genera and species. It is distinguished from other delphacid subfamilies primarily on morphological grounds.
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 analis
Kosswigianella analis is a species of delphacid planthopper in the family Delphacidae. It was described by Crawford in 1914. The species is known from North America. Like other delphacid planthoppers, it belongs to a group of small, sap-feeding insects associated with grasses and sedges.
Kosswigianella irrutilo
Kosswigianella irrutilo is a species of planthopper in the family Delphacidae, described by Hamilton in 2002. It is a small, slender insect with the characteristic morphology of delphacid planthoppers, including a prominent movable spur on the hind tibia. The species is known from Colorado in North America. Like other members of Delphacidae, it likely inhabits grassland and wetland habitats associated with its host plants.
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
Laccocera is a genus of delphacid planthoppers in the family Delphacidae, established by Van Duzee in 1897. The genus contains approximately 10 described species distributed primarily in North America. Members of this genus are small, jumping insects associated with grassy or wetland habitats. The genus name is feminine in gender.
Laccocera flava
Laccocera flava is a species of delphacid planthopper in the family Delphacidae, first described by Crawford in 1914. It belongs to a group of small, sap-feeding insects commonly associated with grasses and sedges. The species has been recorded in western North America.
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 vanduzeei
Laccocera vanduzeei is a species of delphacid planthopper in the family Delphacidae. It was described by Penner in 1945 and is found in western North America. As a member of the Delphacidae, it belongs to a family of planthoppers characterized by a distinctive enlarged hind tibia with a large movable spur, an adaptation for jumping. The species is named in honor of the entomologist Edward P. Van Duzee.
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.
Leptoglossus
leaf-footed bugs
Leptoglossus is a genus of true bugs in the leaf-footed bug family Coreidae, tribe Anisoscelini. Species are characterized by leaflike dilations of the hind tibia, a diagnostic trait of the genus. The genus is distributed throughout the Americas, with some introduced populations in Europe and Asia. Several species are economically significant agricultural pests, notably L. occidentalis, which has become invasive in multiple continents.
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nchanmoss-bugarchaeorrhynchanfulgoromorphancicadomorphanmembracoidtreehopperleafhopperplanthopperpsyllidjumping-plant-lousewhiteflyaleyrodidscale-insectcoccoidmealybugaphidadelgidphylloxeransternorrhynchanthysanopteranthripspsocopteranbarklousebooklousephthirapteranlousesucking-lousechewing-lousemallophagananoplurandermapteranearwigblattodeancockroachtermiteisopteranmantodeanmantidphasmidstick-insectleaf-insectorthopterangrasshopperlocustkatydidcricketmole-cricketpygmy-mole-cricketcamel-cricketcave-cricketwetaensiferancaeliferangryllotalpidmyrmecophilidtettigoniidgryllidacrididpamphagidpneumoridlentulidtristirideumastacidproscopiidtridactylidtetrigidgrouse-locustpygmy-grasshopperplecopteranstoneflyembiopteranwebspinnerzorapteranangel-insectdictyopteranLiburniella ornata
Ornate Planthopper
Liburniella ornata, commonly known as the Ornate Planthopper, is a small delphacid planthopper species found across much of North America. The species is documented in blacklight surveys and is active during late autumn, with observations extending into October and November. As a member of the family Delphacidae, it shares the characteristic morphology of planthoppers including a distinctive head shape and wing structure. The species has been recorded in diverse habitats ranging from urban yards to natural areas, attracted to artificial light sources at night.
Lycorma delicatula
Spotted Lanternfly
Lycorma delicatula, commonly known as the spotted lanternfly, is a planthopper native to China and Southeast Asia that has become a globally significant invasive pest. First detected in the United States in Berks County, Pennsylvania in 2014, it has since spread to over 20 states and the District of Columbia, primarily through human-assisted transport of egg masses. The species feeds on phloem sap from more than 100 plant species, with a strong preference for Tree of Heaven (Ailanthus altissima), and causes severe economic damage to vineyards, orchards, and hardwood industries through direct feeding and secondary effects of honeydew secretion.
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.
Megamelanus
Megamelanus is a genus of delphacid planthoppers in the family Delphacidae, established by Ball in 1902. The genus contains at least one described species, Megamelanus bicolor. Members of this genus belong to the diverse group of true bugs that feed on plant sap using piercing-sucking mouthparts. Like other delphacids, they likely possess a distinctive large movable spur on the hind tibia, a characteristic feature of the family.
Megamelus
Water Hyacinth Planthopper (for M. scutellaris)
Megamelus is a genus of delphacid planthoppers in the family Delphacidae, comprising at least 30 described species. The genus is widely distributed and primarily associated with freshwater aquatic environments. Several species, particularly M. scutellaris, have been extensively studied as biological control agents for invasive aquatic weeds such as water hyacinth (Pontederia crassipes). The genus exhibits wing dimorphism influenced by population density and host plant quality. Recent phylogenetic studies have clarified interspecific relationships and supported the monophyly of the genus.
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 longicornis
Megamelus longicornis is a species of planthopper in the family Delphacidae, first described by Dozier in 1922. It belongs to a genus of small, slender insects commonly known as delphacid planthoppers. The species has been documented in the southeastern United States, with records from Louisiana, Mississippi, and Texas.
Megamelus lunatus
Megamelus lunatus is a species of delphacid planthopper in the family Delphacidae, described by Beamer in 1955. The species is found in North America, with distribution records from British Columbia, Illinois, Kansas, New York, and Ontario. As a member of the Delphacidae, it belongs to a family known for their economic importance as pests of grasses and agricultural crops, particularly rice. The genus Megamelus contains species that are typically associated with wetland and aquatic habitats.
Megamelus metzaria
Megamelus metzaria is a species of delphacid planthopper in the family Delphacidae, described by Crawford in 1914. It is known from North America, with records from British Columbia, Illinois, Kansas, Manitoba, and Michigan. Like other delphacid planthoppers, it is likely associated with wetland or aquatic habitats, though specific ecological details remain poorly documented.
Megamelus scutellaris
water hyacinth planthopper, waterhyacinth planthopper
Megamelus scutellaris is a small delphacid planthopper native to South America, where it is monophagous on water hyacinth (Pontederia crassipes). The species has been introduced to multiple regions including Florida (2010) and South Africa (2013) as a classical biological control agent for invasive water hyacinth. It exhibits wing dimorphism, with adults occurring as either wingless (brachypterous) or winged (macropterous) forms. Population genetic studies indicate three main lineages in its native range associated with major river basins, shaped by Pleistocene climatic shifts and Holocene hydrological changes.