Environmental-sex-determination
Guides
Cyphomyrmex
fungus-growing ants
Cyphomyrmex is a genus of small, drab-colored fungus-growing ants in the tribe Attini, found primarily in the Neotropics. These ants cultivate fungi in the tribe Leucocoprineae as their primary food source, with most species growing fungal nodules rather than full mycelial gardens. Colonies are typically monogynous and small, rarely exceeding 500 workers. The genus is divided into two species complexes: the strigatus complex (South America only) and the rimosus complex (southern North America to South America). Cyphomyrmex represents a basal lineage among attine ants and serves as sister group to Mycetophylax.
fungus-growing-antsattine-antsMyrmicinaeNeotropicalmutualismfungicultureLeucocoprineaemonogynyparasitoid-waspssocial-parasitismchemical-ecologyalkaloid-venomnest-architecturebehavioral-plasticitycytogeneticschromosome-evolutionGuiana-ShieldBrazilPanamaPuerto-RicoMesoamericaArgentinaUnited-StatesTexasCaliforniaFloridayeast-gardensmycelial-gardensrimosus-complexstrigatus-complexage-polyethismtrophallaxisthanatosisfeigning-deathDiapriidaeAcanthopriaMimopriellaMegalomyrmexsocial-parasiteC.-longiscapusC.-transversusC.-laevigatusC.-rimosusC.-minutusC.-lectusC.-cornutusC.-costatuspheromones3-octanolfarnesenestrail-followingalarm-signaldiketopiperazinesantifungal-compoundsdefensive-behaviorcolony-defenseflight-responserecruitmentLanchester's-lawskaryotypechromosome-numberrDNAmicrosatellitesFISHchamber-depthgallery-lengthfire-disturbancesavanna-forest-transitionarboreal-nestingclay-auriclessoil-nestswood-nestsepiphytic-nestsmoss-nestscoconut-nestsdesiccation-susceptibilitymoist-habitatsbasal-attinephylogeneticssister-groupchemical-evolutionvenom-alkaloidsbehavioral-manipulationhost-parasite-interactionecosystem-engineeringnutrient-cyclingdecompositionorganic-matterinsect-fecesexoskeleton-substrategarden-transplantationworker-polymorphismqueen-numberdealate-queensalatesbrood-careecdysis-assistanceforagingsugar-collectionplant-exudatesfungal-domesticationnodule-cultivationmycelium-cultivationagricultural-behaviornest-entrancefunnel-structureexposed-gardenssymbiont-diversitygeographic-variationresearch-modelevolutionary-biologymutualism-evolutionant-fungus-coevolutionchemical-communicationsocial-insectseusocialitycolony-sizesmall-coloniesslow-movementcrypsisdebris-mimicrypredation-avoidanceparasitoid-defensewasp-killingcolony-abandonmentresource-rescuethief-ant-defensevenom-resistancetoxicity-tolerancebehavioral-suppressionplaying-deadalkaloid-manipulationfungal-secondary-metabolitesantibacterial-compoundsantiviral-compoundsgarden-protectionmicrobial-defensenest-microclimatetemperature-regulationhumidity-requirementsdepth-effectsfire-adaptationdisturbance-ecologyhabitat-specificitysubstrate-specializationclay-constructionsoil-manipulationarchitectural-plasticityvertical-nestingembankment-nestingoverhang-nestingpendant-nestsswallow-nest-mimicryresearch-accessibilityfield-biologytropical-ecologyNeotropical-myrmecologybiodiversityconservationinvasive-species-contextnative-speciesbiological-controlIntegrated-Pest-Managementagricultural-ecologyforest-ecologysavanna-ecologytransitional-habitatsdisturbed-areasurban-ecologyanthropogenic-impactclimate-sensitivityhabitat-limitationrange-boundariesdispersalcolonizationestablishmentpopulation-dynamicsdemographycolony-densitynest-spacingintraspecific-competitioninterspecific-competitionterritorialityresource-defensecombat-behavioraggression-levelsrecruitment-behaviorchemical-signalingalarm-pheromonestrail-pheromonesrecognition-cuescuticular-hydrocarbonsvenom-compositiondefensive-secretionsmandibular-glandsDufour's-glandmetapleural-glandsantibiotic-productiongrooming-behaviorfungal-inoculationintegumental-fungiyeast-growthlarval-groominggarden-maintenancesubstrate-preparationfecal-fertilizeranal-trophallaxiscrop-regurgitationfluid-applicationdrying-behaviornodule-formationtransplantation-behaviorgarden-establishmentceiling-gardensroot-associationarchitectural-innovationnest-site-selectionmicrohabitat-choicemoisture-requirementsthermal-bufferingpredator-avoidanceparasite-avoidancedisease-resistancesocial-immunitycollective-behaviordivision-of-labortask-allocationtemporal-polyethismworker-agenurse-workersforager-workerssoldier-caste-absencemonomorphismworker-size-variationqueen-worker-differentiationreproductive-castegyne-productionmale-productionseasonal-reproductioncolony-foundingclaustral-foundingnon-claustral-foundingfungal-inoculumfounding-queenfirst-worker-generationnutritional-dependencyfat-reservesmetabolic-adaptationdigestive-physiologyenzyme-complementfungal-enzymelignocellulose-degradationnutritional-mutualismobligate-mutualismvertical-transmissionhorizontal-transmissionsymbiont-switchingcultivar-replacementgarden-failurecolony-mortalitypopulation-turnovergeneration-timelongevitysurvivorshiplife-expectancyagingsenescencereproductive-investmentcolony-growthcolony-declinebuddingfissionreproduction-modegenetic-structurerelatednessmating-systemnuptial-flightmate-choicesperm-storagecolony-odornestmate-recognitionforeign-rejectionagonistic-behaviorterritorial-markingboundary-defenseraiding-behaviorrobbing-behaviorcleptobiosisdulosisslaveryinquilinismguest-antsmyrmecophilesnest-associatescommensalisminquilinesparasite-tolerancehost-manipulationvenom-alkaloidpyrrolidineindolizidinepiperidinenonanalfarnesenesesquiterpeneagriculture-chemicalgaster-extractchemical-diversitychemical-simplicityevolutionary-precursorderived-chemistrybiosynthetic-pathwaysemiochemicalinfochemicalcommunicationinformation-transfercolony-organizationsocial-structurepolygynyqueen-conditiondealationwing-sheddin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marginata
Prokelisia marginata is a wing-dimorphic delphacid planthopper native to North American salt marshes, where it feeds on phloem sap of Spartina grasses. Populations contain two distinct adult forms: flightless brachypters and fully-winged macropters capable of dispersal flight. Wing-form is determined environmentally during nymphal development, primarily by crowding density and host plant quality, representing a conditional strategy that balances local reproduction against habitat tracking. The species has established invasive populations in Britain, where it exploits the introduced cordgrass Spartina anglica.
Pseudacteon tricuspis
fire ant decapitating fly, phorid fly
Pseudacteon tricuspis is a parasitoid phorid fly that specifically targets the red imported fire ant (Solenopsis invicta). Adult females deposit eggs directly into worker ants, and the developing larvae eventually decapitate the host. The species was introduced to the United States in the late 1990s as a biological control agent against this invasive ant. Native to South America, it has now established populations across the southeastern United States.