Raiding-behavior
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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pergandei
Pergande's Mound Ant
Formica pergandei is a slavemaking ant species that constructs stable earthen nest mounds. Colonies exhibit frequent nest relocations, typically occurring mid-raiding season, by invading existing host nests in areas of higher host density. This behavior reduces mean raiding distance and improves raiding success. The species was described by Emery in 1893 and is known from the northeastern United States.
Polyergus breviceps
Broad-headed Amazon Ant
Polyergus breviceps is an obligate slave-making ant endemic to the United States. Workers are incapable of foraging, feeding brood, or performing nest maintenance, relying entirely on enslaved Formica workers for all colony tasks. The species conducts organized raids on Formica colonies to capture pupae, which mature into workers in the mixed nest. Newly mated queens can independently usurp Formica colonies through a combination of physical combat and chemical deception.
Polyergus mexicanus
Western Amazon Ant
Polyergus mexicanus is an obligate social parasite known as the Western Amazon Ant, widely distributed across western North America. This species is incapable of performing basic colony tasks including foraging, nest excavation, and brood care, and depends entirely on enslaved workers of Formica host species. The species performs dramatic, coordinated raids on Formica colonies to capture larvae and pupae, which are then integrated into the parasite colony. Recent genetic studies have revealed substantial population structure associated with different host species, suggesting incipient speciation into host-specific lineages.