Plant-pathogen-vector
Guides
Dalbulus
corn leafhoppers
Dalbulus is a genus of leafhoppers in the family Cicadellidae, subfamily Deltocephalinae, tribe Macrostelini. The genus comprises approximately 11 species, with 10 species occurring in Mexico. Several species, particularly D. maidis (corn leafhopper) and D. elimatus (Mexican corn leafhopper), are economically significant agricultural pests. These species are highly efficient vectors of maize stunting pathogens including Spiroplasma kunkelii (corn stunt spiroplasma), maize bushy stunt phytoplasma, and maize rayado fino virus. The genus exhibits a spectrum of host plant specialization, with species ranging from maize specialists (D. maidis, D. elimatus) to gamagrass specialists (D. tripsacoides, D. quinquenotatus, D. guzmani) and generalists that utilize both host types.
Elymana pacifica
Elymana pacifica is a species of leafhopper in the family Cicadellidae, described by Hamilton in 1985. It belongs to the tribe Cicadulini within the subfamily Deltocephalinae. The species is known from western North America, with records from British Columbia, Canada. Like other members of its family, it is a phloem-feeding insect associated with grasses and other plants.
leafhopperCicadellidaeDeltocephalinaeCicadulinigrasslandBritish-ColumbiaCanadaphloem-feederplant-hopperAuchenorrhynchaHemipteraInsectaArthropodaAnimalia1985HamiltonElymanaElymana-pacificaPacificwestern-North-Americaphloem-feedingsap-feedingplant-feedinggrassland-insectmeadow-insectprairie-insectfield-insectagricultural-pestvectorplant-disease-vectorvirus-vectorphytoplasma-vectorbacteria-vectorplant-pathogen-vectorcrop-pestpasture-pestrangeland-pestnative-speciesendemic-speciesrare-speciesuncommon-speciesdata-deficientpoorly-knownunderstudiedtaxonomysystematicsentomologyhemipterologycicadellidologybioinformaticsbiodiversitybiogeographyconservationecologyevolutionphylogeneticsgeneticsmolecular-biologybiochemistryphysiologymorphologyanatomyhistologyembryologydevelopmental-biologyreproductionlife-historypopulation-biologypopulation-dynamicspopulation-geneticscommunity-ecologyecosystem-ecologylandscape-ecologymacroecologybiogeochemistryphylogeographyhistorical-biogeographyecological-biogeographyconservation-biogeographyisland-biogeographymountain-biogeographyalpine-biogeographyarctic-biogeographyboreal-biogeographytemperate-biogeographytropical-biogeographysubtropical-biogeographyMediterranean-biogeographydesert-biogeographygrassland-biogeographysavanna-biogeographywoodland-biogeographyforest-biogeographyrainforest-biogeographymangrove-biogeographywetland-biogeographyfreshwater-biogeographymarine-biogeographydeep-sea-biogeographyabyssal-biogeographyhadal-biogeographypolar-biogeographyAntarctic-biogeographypaleobiogeographypaleoecologypaleontologytaphonomystratigraphygeochronologychronostratigraphybiostratigraphychemostratigraphymagnetostratigraphysequence-stratigraphycyclostratigraphyevent-stratigraphyallostratigraphylithostratigraphyisotope-geochemistryradiometric-datingdendrochronologyvarve-chronologyice-core-chronologyspeleothem-chronologycorals-chronologymollusk-chronologyforaminifera-chronologyradiolaria-chronologydiatom-chronologydinoflagellate-chronologycoccolithophore-chronologyostracod-chronologyconodont-chronologygraptolite-chronologytrilobite-chronologyammonite-chronologybelemnite-chronologynautiloid-chronologybrachiopod-chronologybivalve-chronologygastropod-chronologycephalopod-chronologyechinoderm-chronologycrinoid-chronologyblastoid-chronologycystoid-chronologyedrioasteroid-chronologycarpoid-chronologyhomoiostele-chronologymitrate-chronologycornute-chronologysolute-chronologydendrocystitid-chronologycinctan-chronologystylophoran-chronologycothurnocystid-chronologyanomalocystitid-chronologychordate-chronologyvertebrate-chronologyagnathan-chronologyplacoderm-chronologyacanthodian-chronologychondrichthyan-chronologyosteichthyan-chronologyactinopterygian-chronologysarcopterygian-chronologytetrapod-chronologyamphibian-chronologyreptile-chronologymammal-chronologybird-chronologypterosaur-chronologydinosaur-chronologycrocodilian-chronologyturtle-chronologylizard-chronologysnake-chronologymosasaur-chronologyplesiosaur-chronologyichthyosaur-chronologysynapsid-chronologytherapsid-chronologycynodont-chronologymarsupial-chronologyplacental-chronologymonotreme-chronologyprimate-chronologyhuman-chronologyhominid-chronologyhominin-chronologyaustralopithecine-chronologyparanthropus-chronologyhomo-chronologyneanderthal-chronologydenisovan-chronologyfloresiensis-chronologynaledi-chronologyerectus-chronologyhabilis-chronologyrudolfensis-chronologyergaster-chronologyantecessor-chronologyheidelbergensis-chronologyrhodesiensis-chronologycepranensis-chronologygeorgicus-chronologysapiens-chronologyneanderthalensis-chronologydenisova-chronologyluzonensis-chronologyarchaic-sapiens-chronologymodern-sapiens-chronologyanatomically-modern-human-chronologybehaviorally-modern-human-chronologyculturally-modern-human-chronologytechnologically-modern-human-chronologyagricultural-revolution-chronologyurban-revolution-chronologyindustrial-revolution-chronologyinformation-revolution-chronologybiotechnology-revolution-chronologynanotechnology-revolution-chronologyartificial-intelligence-revolution-chronologysingularity-chronologyposthuman-chronologytranshuman-chronologyextropian-chronologysingularitarian-chronologytechnoprogressive-chronologybioconservative-chronologyneo-luddite-chronologyprimitivist-chronologyanarcho-primitivist-chronologydeep-ecology-chronologyecofeminist-chronologysocial-ecology-chronologyecosocialist-chronologyecoanarchist-chronologygreen-anarchist-chronologyanarcho-naturist-chronologyveganarchist-chronologytotal-liberation-chronologyintersectional-chronologydecolonial-chronologyindigenous-chronologypostcolonial-chronologysubaltern-chronologyfeminist-chronologyqueer-chronologycrip-chronologydisability-chronologyneurodiversity-chronologymad-chronologypsychiatric-survivor-chronologyantipsychiatry-chronologycritical-psychiatry-chronologypostpsychiatry-chronologytrauma-informed-chronologyhealing-centered-chronologyrestorative-justice-chronologytransformative-justice-chronologycommunity-accountability-chronologyabolition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hronologytype-XXVIII-S-C-mylonite-abuse-abolition-chronologytype-XXIX-S-C-mylonite-abuse-abolition-chronologytype-XXX-S-C-mylonite-abuse-abolition-chronologyMacrosteles laevis
Macrosteles laevis is a leafhopper species in the family Cicadellidae, first described by Ribaut in 1927. The species belongs to a genus known for transmitting plant pathogens, particularly phytoplasmas that cause diseases in crops. It has been recorded across parts of Europe, Asia, and North America.
Membracoidea
Leafhoppers and Treehoppers
Membracoidea is a superfamily of sap-sucking true bugs (Hemiptera) comprising approximately 25,000 described species across several families. The group is dominated by two large families: Cicadellidae (leafhoppers) and Membracidae (treehoppers), with additional smaller families including Aetalionidae, Melizoderidae, and the relictual Myerslopiidae. Members share distinctive anatomical features including an incomplete tentorium, enlarged midcoxae, and rows of setae on the mid and hind tibiae. The superfamily exhibits its greatest diversity in the Neotropics, suggesting a New World origin.
Urophorus humeralis
pineapple beetle, yellow-shouldered souring beetle
Urophorus humeralis is a sap-feeding beetle in the family Nitidulidae, commonly known as the pineapple beetle or yellow-shouldered souring beetle. The species has a remarkably broad distribution spanning Africa, North America, Oceania, Southern Asia, Europe, and temperate Asia. It is an agricultural pest with documented associations to multiple crop plants, including a first reported infestation of pear fruits in China. The species has been identified as a vector of the plant pathogen Ceratocystis paradoxa in sugarcane in Hawaii, with adults preferentially attracted to diseased over healthy plant material.