Male-genitalia
Guides
Agalliini
Agalliini is a tribe of leafhoppers (Hemiptera: Cicadellidae) within subfamily Megophthalminae, established by Kirkaldy in 1901. Members are distributed across Asia, with documented species in China (Guizhou, Yunnan), Pakistan, and Vietnam. The tribe has been subject to recent taxonomic revision, including descriptions of new genera and species based primarily on male genitalia characters. Species-level identification relies heavily on aedeagal morphology and pygofer structure.
Allocapnia rickeri
Midwest Snowfly
Allocapnia rickeri is a small winter stonefly in the family Capniidae, commonly known as the Midwest Snowfly. It is one of numerous small, dark stoneflies in the genus Allocapnia that emerge during cold months when few other insects are active. The species has been documented across the central and eastern United States. Like other capniids, it is associated with clean, cold streams and is an important indicator of water quality.
winter-stoneflybioindicatorcoldwaterPlecopteraCapniidaeAllocapnialoticemergencebrachypteryapterygenitalia-identificationFrison-1942Midwestsoutheastern-USclean-water-indicatorJanuary-Marchsmall-stoneflywingless-femalestream-insectshreddergathererseasonal-resourcewater-qualityaquatic-insectterrestrial-adultshort-lived-adultovipositionsubmerged-eggshigh-dissolved-oxygenlow-temperaturecentral-USeastern-USAlabamaArkansasDelawareGeorgiaIllinoishexapodhemimetabolousEuholognathaNemouroideaArctoperlariaInsectaArthropodaAnimaliaGBIFCatalogue-of-LifeiNaturalistNCBItaxonomyaccepted-species1942FrisonRickerMidwest-Snowflysnowflysmall-dark-stoneflyclean-streamsriverswell-oxygenatedlotic-habitatcold-monthswinter-activitywing-reductionfemale-apterymale-flightepiproctparaproctterminaliataxonomic-revisioncongenersdistribution-recordsobservations9-observationseukaryotemetazoanarthropodinsectstoneflywinter-emergingJanuaryFebruaryMarchcold-weathernear-freezingbelow-freezingwater-surfacesubmerged-substratesallochthonous-organic-materialstream-ecosystemsseasonal-food-resourceinsectivorous-birdspredatorsscarce-preyunpollutedno-economic-importancestream-monitoringwater-quality-indicatorhigh-quality-coldwatermicroscopic-examinationtaxonomic-keysmale-terminaliareliable-separationgenitalic-examinationoverlapping-distributionsimilar-habitatsmall-sizeunder-10-mmbody-lengthreduced-wingsabsent-wingsfully-developed-wingsspecific-identificationpublished-descriptionsillustrationssubsequent-revisionscharacteristicfamily-Capniidaecommon-nameextended-nymphal-periodone-to-two-yearsshort-liveddoes-not-feedaquatic-nymphclean-cold-streamslow-temperaturesyear-roundwinter-monthsJanuary-through-Marchfamilycentered-Midwestextends-southeasternUnited-Statesdocumentedappearsmost-reliablydistinguishedsubtle-differencesterminal-abdominal-structuresshould-be-comparedagainstpublishedsubsequentgenus-levelcharacterizedreducedabsentfemalesfully-developedmalesrequires-examinationmale-genitaliastructureparaproctsreliableseparationoverlapssimilarmanyexternallydefinitivereliesmicroscopicexaminationcomparisonkeysusedbiologicalindicatorprogramspresenceindicatescoldconditionsno-directeconomicimportanceshreddersgatherersprocessingallochthonousorganicmaterialstreamecosystemsseasonalfoodresourceinsectivorousbirdsotherwhenalternativepreyscarceserveshigh-qualityhabitatsdevelopmentaquaticnymphalstagesterrestrialadultstagenymphsdevelopstreamsextendedperiodlikelyonetwoyearsbasedrelatedspeciesadultsdo-notfeedactiveduringweatherairtemperaturesmaynearbelowfreezingwingedcapableflightwinglessshort-wingedremainwatersurfacematingoccurwinterenteringdepositeggssubmergedsubstratessmallcommonlyknownnumerousdarkemergefewinsectscentraleasternassociatedcleanimportantundermmbodylengthmembersgenuswingspossessfullydevelopedspecificidentificationlevelwithinrequiresmalegenitaliaparticularlymostreliablysubtledifferencestheseterminalabdominalstructuresshouldcompareddescriptionstaxonomicrevisionswinter-emergingmaintainlowhighdissolvedoxygenlevelsthroughoutyearUnitedStatesdistributioncenteredextendssoutheasternmonthstypicallythroughthisactivitygivesrisecommonnamedonotprovidesqualitymonitoringnodirecthabitatmorphologysizegenitalicAmblycerus
pea and bean weevils, seed beetles
Amblycerus is the second most diverse genus of seed beetles in the Americas, containing over 60 described species. These bruchid beetles are specialized seed predators, with larvae developing inside seeds of various host plants. The genus exhibits complex evolutionary patterns of host plant association, having radiated from an ancestral association with Fabaceae into at least 12 other plant families including Sterculiaceae, Boraginaceae, and Humiriaceae. Species-level identification requires examination of male genitalia and pygidial morphology.
Amblypsilopus
Amblypsilopus is a large genus of long-legged flies (Dolichopodidae) containing approximately 350 described species. The genus is distributed across tropical and subtropical regions worldwide, with particularly high diversity in the Afrotropical region where about 60 species occur, including 25 on Madagascar alone. The genus is possibly polyphyletic and requires further taxonomic revision. Species identification relies heavily on male genitalia morphology, particularly the surstylus and cercus, along with male secondary sexual characters on the legs.
Androprosopa
Androprosopa is a genus of small non-biting midges in the family Thaumaleidae (Diptera). The western Nearctic fauna includes 25 species, with three species described in 2021. Species are distinguished primarily by male genitalic morphology. The genus belongs to a small family of Diptera associated with cool, moist environments.
Ceraticelus
dwarf spiders
Ceraticelus is a genus of dwarf spiders in the family Linyphiidae, subfamily Erigoninae. First described by Eugène Louis Simon in 1884, the genus currently contains approximately 34 species and two subspecies distributed primarily in North America, with some species occurring in Europe and Asia. The genus definition has been historically problematic due to superficial treatment of male palpal bulb morphology. Recent taxonomic work has clarified diagnostic characters through examination of the type species, C. fissiceps.
Ceraticelus artemisiae
A small dwarf spider (subfamily Erigoninae) described from southern California in 2009. Often found co-occurring with its probable sister species Ceraticelus phylax, with which it shares distinctive male palpal bulb morphology. The genus Ceraticelus is taxonomically problematic due to inadequate definition and superficial treatment of diagnostic characters.
Cybaeus
Soft Spiders
Cybaeus is a genus of araneomorph spiders in the family Cybaeidae, first described by Ludwig Carl Christian Koch in 1868. The genus contains approximately 198 species distributed across America, Europe, Japan, Korea, and China. North American species are classified into Holarctic and Californian clades, with many exhibiting restricted geographic ranges and conservation concerns. Females of different species are difficult to distinguish, particularly in North America; species identification relies heavily on examination of male pedipalps.
Dissomphalus
Dissomphalus is the most species-rich genus in the family Bethylidae (Hymenoptera), with over 600 valid species globally. The genus exhibits exceptional diversity in the Neotropical region, where the majority of species occur, though it has a cosmopolitan distribution including the Oriental region and southwestern Pacific islands. Species delimitation relies heavily on male genitalia characters and metasomal tergal process structures, with species-groups defined primarily by these morphological features. Taxonomic revisions have revealed high levels of undescribed diversity, particularly in underexplored regions such as Panama, Thailand, and the Fiji-Solomon Islands archipelago.
Draeculacephala constricta
A species of leafhopper in the family Cicadellidae, described from western Texas in 1943. The genus Draeculacephala is characterized by distinctive head morphology, with species often exhibiting elongated or modified facial structures. Draeculacephala constricta occurs in arid and semi-arid regions of the southwestern United States and has been documented in association with woody legumes including Vachellia constricta (whitethorn acacia), which shares its specific epithet.
leafhopperCicadellidaedesertsouthwestern-USVachelliaacaciaphloem-feederCicadomorphaHemiptera1943-descriptionDavidsonDeLongwestern-Texasaridland-insectwoody-legume-associatehead-morphologygenus-Draeculacephalainsectaarthropodaanimaliaaccepted-speciesGBIFCatalogue-of-LifeNCBIiNaturalistobserved-313-timesAlbertaFloridaIllinoisIndianaIowaNew-MexicoArizonasummer-activityJulymonsoon-seasonphloem-feedernutrient-cyclingpredator-preyspider-preybird-preydesert-scrubsemi-aridmesquitecreosoteFabaceaehost-planttaxonomic-descriptionmale-genitaliawing-venationconcave-headproduced-headfacial-structurespecific-epithetconstrictednarrowedidentificationmorphological-detailscongenersCuernaCicadelliniCicadellinaeMembracoideaClypeataAuchenorrhynchaHexapodatrue-bugsMetazoaEukaryotaEpiphragma arizonense
Epiphragma arizonense is a crane fly species described by Alexander in 1946. The species is known from the southwestern United States and northwestern Mexico. Like other members of the genus Epiphragma, it is distinguished by distinctive wing patterning and male genitalia morphology. The male was redescribed and illustrated in a 2012 taxonomic review of North American Epiphragma species.
Heleomyza serrata
Heleomyza serrata is a small fly in the family Heleomyzidae, measuring 3–7 mm in body length. The species is distinguished by specific chaetotaxy: setae present on the propleura, multiple pairs of setae on the prothorax, and at most one hair on the mesopleura. Males possess distinctive genitalia with rudimentary aedeagus, unexpanded epandrium base, and surstyles that are much longer than the epandrium and evenly curved throughout their length.
Hirtodrosophila duncani
A North American fruit fly in the genus Hirtodrosophila, distinguished by unusual male genitalia that complicated its taxonomic placement for decades. Molecular evidence now places it near the New World Sophophora clade. Like other members of its genus, it is associated with fungal substrates.
Limnebius
minute moss beetles
Limnebius is a genus of minute moss beetles in the family Hydraenidae, containing over 160 described species. The genus exhibits uniform external morphology but highly variable male genitalia, ranging from curved rod shapes in the subgenus Bilimneus to complex structures with up to seven longitudinal folds or appendages in Limnebius s.str. Species occur across multiple continents including Europe, Africa, Australia, and Papua New Guinea. The genus has been extensively studied for its morphological diversification and patterns of sexual dimorphism.
Liodessus
Liodessus is a genus of small diving beetles in the family Dytiscidae, tribe Bidessini. Species occur across the Americas from North America through the Andes to southern South America, with notable diversity in high-altitude wetlands and páramo ecosystems. Many species inhabit shallow, exposed pools and temporary water bodies, showing phenotypic plasticity in body form correlated with habitat permanence. The genus contains numerous species, with several new species described from the high Andes of Peru and Colombia in recent years. Taxonomic resolution relies heavily on male genital morphology.
diving-beetleaquatic-insecthigh-altitudepáramoAndesphenotypic-plasticityBidessiniHydroporinaeDytiscidaeColeopterawetlandtemporary-poolpeatlandsubantarctictaxonomymale-genitaliaCOI-barcodecryptic-speciesincipient-speciationhybridizationgeometric-morphometricsenvironmental-sentineldrought-indicatorSouth-AmericaNorth-AmericaFijiNavarino-IslandMagallanesPeruColombiaChileArgentinaBoliviaBogotáJunínCuscoHuánucoCundinamarcaSumapazPunasteppepeat-bogshallow-poolpuddlealtitude-3400-4900mL.-affinis-complexL.-bogotensis-complexL.-chilensisL.-affinisL.-obscurellusL.-noviaffinisL.-saratogaeL.-picinusL.-santarositaL.-alpinusL.-hauthiL.-rhigosL.-thespesiosGuignot-1939ZimmermannSharpLeConteSaySteinheilRégimbartBiströmMillerBalkeFranciscoloSanfilippoPederzaniNilssonYoungClarkHatchMannerheimCaseyAubéBalfour-BrowneBrinckPeschetSolierWhiteZootaxaZooKeysInsect-Systematics-&-EvolutionAnales-del-Instituto-de-la-PatagoniaPLoS-ONEGBIFiNaturalistCatalogue-of-LifeNCBI-TaxonomyBOLDBarcode-of-Life-Data-SystemCOImitochondrial-DNAphylogeographypopulation-structurerange-expansionlineagegenetic-structuresubspecieslectotypeneotypesynonymynew-speciesnew-subspeciesrevisionmorphometricsallometrybody-sizebody-shapeelytrapronotumstriaecolorationpunctationhabitusoccipital-linegenital-morphologyaedeagusparamerediagnosisidentification-keytype-localitytype-specimenetymologybionomicsnatural-historygeographic-distributiondistribution-mapNearcticNeotropicalPatagoniaCape-Horn-Biosphere-Reservedroughtclimate-changeenvironmental-changesentinel-speciesplasticityadaptationphenotypic-variationhydrological-landscapewater-permanencepoolbogAltiplanoAndeanhigh-elevationmontanealpineaquaticfreshwaterlenticloticinsectbeetleAdephagaLiodessusMicrolinyphia mandibulata mandibulata
Microlinyphia mandibulata mandibulata is a subspecies of sheet-web weaving spider in the family Linyphiidae. Members of this genus are commonly known as "platform spiders" for their flat, sheet-like webs built close to the ground. Males are distinguished by a circular filament called the embolus that extends from the pedipalp. This subspecies has been documented from the United States.
Notomicrus
Notomicrus is a genus of small water beetles in the family Noteridae, first described by Sharp in 1882. Species occur in freshwater habitats across the New World, from North America through Central America to South America and the Caribbean. The genus includes at least 13 described species, with several recent descriptions from Guadeloupe and Suriname. Some species exhibit unusual reproductive traits, including suspected obligate parthenogenesis.
Novochares
water scavenger beetles
Novochares is a genus of water scavenger beetles (Hydrophilidae: Acidocerinae) erected in 2021 to accommodate New World species previously placed in Helochares. The genus contains 52 described species distributed across the entire Neotropical region from Mexico to Argentina, including Caribbean islands. Species circumscription relies heavily on male aedeagus morphology due to relatively homogeneous external characteristics. An integrative taxonomic approach combining adult morphology with COI and 28S DNA sequence data was used to delimit species boundaries.
Ochrotrichia
microcaddisfly
Ochrotrichia is a large genus of microcaddisflies (family Hydroptilidae) comprising approximately 226 extant species, making it the most species-rich microcaddisfly genus in the Neotropics. The genus is predominantly distributed in the Nearctic and Neotropical regions, with one exceptional African record from the Democratic Republic of the Congo. Species are primarily found in freshwater stream habitats.
Ochrotrichiinae
microcaddisflies
Ochrotrichiinae is a subfamily of microcaddisflies within the family Hydroptilidae, comprising approximately 430 species across nine genera. The subfamily is most diverse in the Neotropics, with additional representation in the Nearctic and Australasian regions, including an endemic genus in New Caledonia. Phylogenetic analyses support its monophyly with the exclusion of Dibusa. The subfamily originated in the New World during the early Cretaceous, approximately 116 million years ago, with subsequent dispersal to Australasia via trans-Antarctic routes.
Pentodontini
rhinoceros beetles
Pentodontini is the most diverse tribe within the subfamily Dynastinae (rhinoceros beetles), containing over 100 genera distributed across multiple biogeographic regions. Most genera are restricted to a single biogeographic region. The tribe is characterized by substantial morphological diversity, with generic-level identification often relying on mouthpart morphology in females and secondary sexual characters (horns, claw modifications, antennal club length) in males.
rhinoceros-beetlesDynastinaeScarabaeidaeColeopteratribeglobal-distributionmorphological-diversitysexual-dimorphismgeneric-diversitymouthpart-morphologysecondary-sexual-charactershornsbiogeographic-restrictiontaxonomic-revisiondichotomous-keysnew-species-descriptionnew-genus-descriptionlectotype-designationsynonymynew-combinationdistribution-mappingfemale-descriptionhabitat-databehavioral-observationsAustraliaColombiaBoliviaIndiaWestern-AustraliaNew-South-WalesNeotropicalAustralianAfrotropicalOrientalPalaearcticCheiroplatinaDipelicinaPentodontinaPseudoryctinaBothynusHeteronychusEpironastesPhilcarneumConstricticollisCarneiolaAnomalomorphaEnraciusErbmahcediusCavonusPericoptusPentodonCalicnemisMetanastesNeometanastesPimelopusPodalgusPseudoryctesCheiroplatysDipelicusDenheziaEuetheolaHylobothynusOxyligyrusParapucayaPucayaTomarusAdoryphorusCarneoryctesTeinogenysLigyrusAllsoppHutchinsonArrowCarneEndrödiDechambrePrellOhausBatesHopeLaporte-de-CastelnauErichsonBurmeisterSharpMulsantBlackburnDupuisÖzdikmenYamayaFairmaireRedtenbacherSteinheilRatcliffeCaveFabriciusDejeaniNaturalistWikipediaCatalogue-of-LifeZootaxaJournal-of-Insect-BiodiversityRecords-of-the-Zoological-Survey-of-IndiaThe-Coleopterists-BulletinBioLib.czWikimedia-CommonsDOI10.11646/zootaxa.4048.4.110.11646/zootaxa.4852.4.210.11646/zootaxa.5351.3.210.26515/rzsi/v125/i2s/2025/17296410.11646/zootaxa.5716.4.710.11646/zootaxa.5072.5.210.11646/zootaxa.4852.4.310.12976/jib/2024.54.2.210.1649/1186.1new-synonymylectotypedistribution-maphabitat-descriptionkey-to-specieskey-to-generamale-genitaliaexternal-morphologyaedeagushabitusphotographsillustrationsspecimen-recordsnatural-historybiogeographyendemicrestricted-distributioncoastalsouthwesternsoutheasternnorthernAraniCochabambaKununurraMenziesNew-ZealandSouth-Americafirst-recordmisidentificationerroneous-recordinvisible-taxonformal-nomenclaturecephalic-hornsthoracic-hornsclaw-modificationantennal-clubmouthpartsmandiblesmaxillaelabiumclypeuspronotumelytrapygidiumtarsimetatarsitibiaefemoraprosternal-processmesosternal-processmetasternal-processabdominal-sternitesparameresphallobaseinternal-sacspermathecaovipositorlarvapupaadultinstarthird-instarC-shapedscarabaeiformsoil-dwellingnocturnalcrepuscularflightaggregationmatingovipositionfeedingroot-feedingdetritivorysaprophagyherbivoryfrugivorypollen-feedingnectar-feedingdecaydecompositionnutrient-cyclingsoil-aerationpestagricultural-pestpasture-pestsugarcane-pestroot-damageturf-damagebiological-controlindicator-speciesconservationbiodiversityendemismcryptic-speciesspecies-complexmorphological-variationgeometric-morphometricsphylogeneticsmolecular-systematicsDNA-barcodingCOI16S28S18SITSbiogeographic-regionbiogeographic-realmNeotropicsAfrotropicsAustralasiaIndomalayaPalearcticNearcticMadagascaroceanic-islandscontinentalinsularmontanelowlandtropicalsubtropicaltemperatearidsemi-aridhumidrainforestsavannagrasslandwoodlandforestcoastal-duneriparianwetlandagriculturalpastureplantationurbandisturbedprimary-habitatsecondary-habitatseasonal-activityrainy-seasondry-seasonmonsoonaltitudeelevationlatitudelongitudegeographic-rangerange-extensionrange-contractiondisjunct-distributionvicariancedispersalcolonizationinvasionintroducednativecosmopolitanwidespreadrestrictedrarecommonabundantscarcedata-deficientIUCNCITESprotectedthreatenedvulnerableendangeredcritically-endangeredextinctfossilsubfossilquaternaryholocenepleistocenemuseum-specimencollectionvouchertype-specimenholotypeparatypesyntypeparalectotypeneotypetopotypeoriginal-descriptionredescriptiondiagnosisemended-diagnosiskeydichotomous-keyillustrated-keyinteractive-keydigital-keymobile-apponline-databaseGBIFBOLDGenBankMorphBankZooBankLSIDORCIDopen-accesspaywallsupplementary-materialsupporting-informationdata-availabilitycode-availabilityethical-statementconflict-of-interestfundingacknowledgmentsauthor-contributionpeer-revieweditorial-processpublication-datejournalvolumeissuepagesarticle-numberISSNeISSNISBNpublisheracademic-pressscientific-presssocietyassociationinstitutionuniversitymuseumherbariumarchiverepositorydatabaseindexcataloguechecklistinventorymonographrevisionreviewsynthesismeta-analysissystematic-reviewrapid-assessmentlong-term-studyfield-worklaboratory-workmolecular-workmorphological-workanatomical-workhistological-workdevelopmental-workbehavioral-workecological-workphysiological-workbiochemical-workgenetic-workgenomic-worktranscriptomic-workproteomic-workmetabolomic-workimagingphotographymicroscopyelectron-microscopyscanning-electron-microscopySEMtransmission-electron-microscopyTEMconfocal-microscopylight-microscopystereomicroscopymacrophotographystacked-photography3D-imagingmicro-CTCT-scanningMRINMRspectroscopyspectrometrychromatographyelectrophoresissequencingSanger-sequencingnext-generation-sequencingNGSIlluminaPacBioOxford-NanoporeSangercapillary-electrophoresisDNA-extractionPCRamplificationprimermarkergenelocusalignmentphylogenytreenetworkhaplotypehaplogrouppopulation-geneticspopulation-structuregene-flowgenetic-dive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hconnectivity-conservationcorridorbuffer-zoneprotected-areanational-parknature-reservewildlife-refugewilderness-areaworld-heritage-sitebiosphere-reserveRamsar-siteImportant-Bird-AreaKey-Biodiversity-AreaAlliance-for-Zero-Extinction-siteconservation-priorityhotspotcrisis-ecoregionglobal-200last-of-the-wildhuman-footprintcumulative-impactthreat-indexvulnerability-indexadaptive-capacityexposuresensitivityresilienceresistancerecoveryrestorationrehabilitationreintroductiontranslocationex-situin-situcaptive-breedingbotanic-gardenzoogene-bankseed-banktissue-banksperm-bankoocyte-bankembryo-bankDNA-bankfrozen-zooarkinsurancesafety-netde-extinctiongenetic-rescuegenetic-restorationgenetic-augmentationgenetic-managementpopulation-managementmetapopulationsource-sinkpatchmatrixlandscapeseascapeecosystembiomeecoregionprovincezoneregiondistrictsitelocalityhabitatmicrohabitatnicheecological-nichefundamental-nicherealized-nichetrophic-nichespatial-nichetemporal-nichebiotic-nicheabiotic-nichemultidimensional-nichen-dimensional-nicheHutchinsonian-nicheGrinnellian-nicheEltonian-nicheresourcerequirementlimitationstressdisturbanceperturbationfluctuationvariabilityheterogeneitycomplexitydiversityredundancystabilitypersistenceadaptationacclimationplasticityevolvabilityheritabilityselectiondriftflowmutationrecombinationspeciationcoalescencedivergenceconvergenceparallelismhomoplasyanalogyhomologysynapomorphysymplesiomorphyautapomorphyapomorphyplesiomorphyderivedancestralprimitiveadvancedbasalcrownstemnodebranchcladegradesubfamilyfamilysuperfamilyinfraordersuborderordersuperorderinfraclasssubclassclasssuperclasssubphylumphylumsuperphylumkingdomdomainlifeorganismindividualetc.Pexicopiini
Pexicopiini is a tribe of small moths within the subfamily Anomologinae of the family Gelechiidae, established by Hodges in 1986. The tribe is characterized by specific morphological features of the male genitalia, particularly musculature patterns that distinguish constituent genera. Recent taxonomic work has clarified relationships within the tribe, including the establishment of new genera based on functional morphology of genital structures. The tribe includes genera distributed primarily in the Palearctic region.
Sepedophilus
rove beetles
A genus of small rove beetles in the subfamily Tachyporinae, containing approximately 30 species in North America north of Mexico. Species are distinguished by detailed examination of male and female eighth abdominal sternites and tergites, male genitalia, and other morphological characters. The genus has been subject to extensive taxonomic revision due to historical confusion with related generic names including Conurus, Conosoma, and Conosomus.
Sphecomyia weismani
Sphecomyia weismani is a hoverfly species described in 2019, one of seven new species identified during a comprehensive revision of the genus Sphecomyia. It belongs to the S. pattonii species group, distinguished from other Sphecomyia by the absence of pruinose scutellar vittae. The species is a wasp mimic, exhibiting the characteristic large size and yellow-and-black coloration typical of this Holarctic genus. Like other members of subtribe Criorhinina, it likely develops in decaying wood or rot holes, though specific larval biology remains undocumented.
Systropus
bee flies
Systropus is a large genus of bee flies (Bombyliidae) containing over 200 described species distributed across every continent except Antarctica. Species are medium-sized flies characterized by distinctive wing venation and male genitalia morphology. The genus is taxonomically significant within the subfamily Toxophorinae, with ongoing revisions clarifying species boundaries, particularly in Australia where 12 new species were recently described.
Tetranychinae
Tetranychinae is a subfamily of spider mites (Tetranychidae) containing economically significant agricultural and ornamental crop pests. The subfamily includes the genera Tetranychus, Eutetranychus, Oligonychus, Panonychus, Amphitetranychus, Schizotetranychus, Aponychus, Paraponychus, and Stylophoronychus. Species within this subfamily are phytophagous and pose serious threats to crop yield and quality. Identification relies primarily on morphological examination of adult male genitalia, though molecular and biochemical methods are increasingly employed for accurate species discrimination.
spider-mitesagricultural-pestsphytophagous-mitescrop-pestsinvasive-speciesacarologyintegrated-pest-managementmolecular-identificationDNA-barcodingTurkeyRussiaPaleotropicalNeotropicalNorth-AmericaMalusPrunusQuercusPiceaAbiesrosaceous-plantsconiferous-plantsmonocotyledonsdicotyledonsacaricide-resistancequarantine-pestsdiapausemale-genitaliaaedeagusPCR-RFLPreal-time-PCRLAMPMALDI-TOF-MSallozyme-analysisspecies-discriminationreproductive-isolationTetranychusEutetranychusOligonychusPanonychusAmphitetranychusSchizotetranychusAponychusParaponychusStylophoronychusEotetranychusBryobiaProstigmataAcariArachnidaArthropodaAnimaliaTrogaspidiini
Trogaspidiini is a tribe of velvet ants (Mutillidae) characterized by morphological features of the male genitalia and body structure. The tribe includes genera such as Neotrogaspidia, which occurs across the Australasian, Oriental and Palearctic Regions. Members of this tribe exhibit complex taxonomic histories with frequent synonymies and transfers between genera.