Mate-recognition
Guides
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.
Coreidaeleaf-footed-bugagricultural-pestinvasive-speciessymbiosissexual-dimorphismconifer-pestnuisance-pestBurkholderiatachinid-parasitoidpheromone-communicationbuilding-invadermisidentificationTriatoma-look-alikegradual-metamorphosisseed-predatorforest-pestornamental-pestplumbing-damagepublic-health-confusionChileEuropeNorth-AmericaSouth-AmericaAsiaTurkeyalmond-pestcitrus-pesttomato-pestcorn-pestoverwintering-aggregationdefensive-secretionpheromone-mediated-parasitismegg-parasitoidbiological-controlecological-niche-modelingclimate-suitabilityrange-expansionintroductionaccidental-dispersalseed-orchard-pestgermination-reductionempty-seed-formationcone-damagelodgepole-pineDouglas-firwestern-conifer-seed-bugL.-occidentalisL.-zonatusL.-phyllopusL.-clypealisL.-australisL.-chilensisL.-oppositusmale-combatfemoral-weaponabdominal-glandpheromone-glandtibial-dilationleaf-like-hind-legtrue-bugHemipteraHeteropteraPentatomomorphaAnisosceliniphytophagousplant-feedingstylet-feedingsalivary-sheathoverwinteringdiapausebuilding-entrystructural-pestnuisance-odorflight-sounddroning-flightaggregation-behaviormale-pheromonefemale-choiceparasitoid-hostbiological-control-agentintegrated-pest-managementmonitoringearly-detectionpreventioninvasion-biologyalien-speciesnon-native-pestglobal-spreadclimate-changeniche-modelingsuitable-habitatestablishment-riskquarantinephytosanitaryforest-healthseed-productionreforestationafforestationconifer-forestrypine-seedseed-viabilityeconomic-impactcrop-lossyield-reductionkernel-damagefruit-damagenut-damagevector-of-diseaseChagas-diseasekissing-bugpublic-alarmmisinformationeducationidentification-toolshealth-system-burdenpesticide-overuseurban-ecologydomiciliaryperidomiciliaryAndean-regionPatagoniaMediterraneantemperatesubtropicaltropicalagroecosystemnatural-enemypredatorparasitepathogensymbiontgut-microbiomesoil-ingestionfitness-benefitreproductive-successsperm-morphologytesticular-morphologyaccessory-glandpheromone-blendspecies-specific-odorcherry-scentvanilla-scentcinnamon-scentrose-scentolfactory-communicationmate-locationmate-recognitionsexual-selectionmale-male-competitionweapon-morphologyallometrydevelopmental-plasticitynymphal-instaregg-barrelegg-arrangementlinear-ovipositionleaf-surfaceplant-tissuestylet-penetrationenzymatic-digestionfluid-feedingphloem-feedingxylem-feedingseed-feedingcone-feedingfruit-feedingkernel-feedingnut-feedingcrop-feedinghost-plant-rangepolyphagyoligophagyspecialistgeneralistpest-statusdamage-thresholdeconomic-injury-levelmanagement-strategycultural-controlphysical-controlchemical-controlresistancetolerancehost-plant-resistancemonitoring-traplight-trappopulation-densitydistribution-mapspread-ratecolonizationestablishmentpopulation-dynamicslife-tabledevelopmental-ratethermal-requirementsdegree-daysphenologyvoltinismunivoltinebivoltinemultivoltinegeneration-timeoverwintering-sitehibernaculumshelter-seekingcold-hardinessfreeze-tolerancesupercoolingwater-relationsdesiccation-resistancestarvation-resistancedispersal-abilityflight-capacitywalking-behaviorclimbing-behavioraggregation-pheromonealarm-pheromonestink-glandmetathoracic-glanddorsoabdominal-glandventral-abdominal-glandsexual-glandmorphological-defensechemical-defensemechanical-defenseautotomyleg-losspredation-riskparasitism-riskparasitoid-riskpathogen-riskcompetitionintraspecificinterspecificresource-competitionmating-competitionsperm-competitioncryptic-female-choicereproductive-isolationspeciationphylogenysystematicstaxonomymorphologyanatomyhistologyultrastructurespermatogenesisspermatozoasperm-lengthnuclear-lengthcyst-productionfollicle-numbertestis-structurereproductive-anatomygenitaliamating-behaviorcopulationinseminationovipositionegg-productionfecundityfertilityhatching-successnymphal-survivaladult-longevitysex-ratiooperational-sex-ratiopopulation-sex-ratioeffective-population-sizegenetic-diversitygene-flowpopulation-structurephylogeographybiogeographyhistorical-biogeographyvicariancedispersalrange-shiftrange-contractionaltitudinal-distributionlatitudinal-distributionlongitudinal-distributionisland-distributioncontinental-distributionendemismcosmopolitanismintroduced-rangenative-rangesource-populationfounder-populationinvasion-frontlag-phaseestablishment-phasespread-phaseequilibrium-phaseimpact-assessmentrisk-assessmenthorizon-scanningearly-warningrapid-responseeradicationcontainmentcontrolmanagementadaptationmitigationrestorationconservationbiodiversityecosystem-serviceecosystem-functionfood-webtrophic-levelprimary-consumerherbivorefruit-predatorplant-animal-interactionmutualismantagonismpredationparasitismcommensalismamensalismfacilitationindirect-interactiontrait-mediated-interactiondensity-mediated-interactionbehavioral-ecologyevolutionary-ecologyfunctional-ecologyphysiological-ecologypopulation-ecologycommunity-ecologyecosystem-ecologylandscape-ecologymacroecologyglobal-ecologyapplied-ecologyagricultural-ecologyforest-ecologyconservation-biologyinvasion-ecologyrestoration-ecologypest-managementconserv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nchanmoss-bugarchaeorrhynchanfulgoromorphancicadomorphanmembracoidtreehopperleafhopperplanthopperpsyllidjumping-plant-lousewhiteflyaleyrodidscale-insectcoccoidmealybugaphidadelgidphylloxeransternorrhynchanthysanopteranthripspsocopteranbarklousebooklousephthirapteranlousesucking-lousechewing-lousemallophagananoplurandermapteranearwigblattodeancockroachtermiteisopteranmantodeanmantidphasmidstick-insectleaf-insectorthopterangrasshopperlocustkatydidcricketmole-cricketpygmy-mole-cricketcamel-cricketcave-cricketwetaensiferancaeliferangryllotalpidmyrmecophilidtettigoniidgryllidacrididpamphagidpneumoridlentulidtristirideumastacidproscopiidtridactylidtetrigidgrouse-locustpygmy-grasshopperplecopteranstoneflyembiopteranwebspinnerzorapteranangel-insectdictyopteranSapphirina
Sea Sapphires
Sapphirina is a genus of marine planktonic copepods in the family Sapphirinidae, commonly known as sea sapphires. Males exhibit striking iridescent structural coloration ranging from gold to deep blue, produced by multilayered guanine crystal plates beneath the dorsal cuticle. Females are translucent and lack this coloration. The genus comprises specialized predators of pelagic tunicates (salps), with some species exhibiting a complex life history involving both parasitic and predatory phases.
Sphenophorus parvulus
bluegrass billbug
Sphenophorus parvulus, commonly known as the bluegrass billbug, is a small weevil native to North America and a significant pest of turfgrass, particularly Kentucky bluegrass. Adults measure approximately 5–7 mm in length, with a distinctive long, downward-curving rostrum comprising about one-third of the body length. The species was described by Swedish entomologist Leonard Gyllenhaal in 1838, with the specific epithet derived from Latin 'parvus' meaning small. It is one of at least ten Sphenophorus species that damage turfgrass in the United States and is frequently studied in the context of integrated pest management and host plant resistance.
Sphenophorus venatus venatus
hunting billbug
Sphenophorus venatus venatus is a subspecies of hunting billbug, a weevil in the family Dryophthoridae. It is widely distributed across North America and has been documented in Middle America, Spain, and Corsica. This subspecies is associated with grass habitats, particularly Cynodon dactylon (bermudagrass), and exhibits chemically-mediated host and mate recognition behaviors. Males are attracted to host-plant volatiles and conspecific cues, while females respond to male conspecifics. The species uses both volatile and contact chemical cues for orientation and recognition.
Stictocephala stimulea
Stictocephala stimulea is a treehopper species in the family Membracidae, first described by Van Duzee in 1914. Treehoppers in this genus are characterized by their enlarged, often ornate pronotum that extends over the body like a helmet or thorn. The specific epithet 'stimulea' suggests possible resemblance to or association with stinging organisms, though this refers to appearance rather than actual sting. Like other membracids, this species likely feeds on plant phloem sap using piercing-sucking mouthparts.
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