[{"data":1,"prerenderedAt":372},["ShallowReactive",2],{"species-sheet-\u002Ffr\u002Fspecies\u002Fplagiolepis-pygmaea":3},{"species":4,"profile":241,"countryNames":279,"lookalikes":291,"similar":296,"posts":351},{"id":5,"authority":6,"colonyStructure":7,"confidence":8,"countries":12,"defense":24,"diet":27,"difficulty":30,"dryHumidity":31,"escapeRisk":9,"estimated":32,"experience":38,"extension":39,"finder":40,"founding":41,"growth":42,"guide":31,"hibernation":43,"hibernationMonths":44,"hibernationTemperature":47,"humidity":50,"image":53,"imageCredit":54,"imageHeight":58,"imageWidth":59,"interests":31,"keptSince":31,"legal":60,"lookalikes":63,"majorSize":31,"maxWorkers":67,"meta":68,"nests":69,"nuptialFlightMonths":73,"nuptialFlightTime":31,"nuptialFlightTriggers":31,"polymorphism":76,"queenSize":77,"regions":80,"relatedPosts":83,"reviewedAt":62,"scientificName":87,"sources":88,"stem":227,"subfamily":228,"temperature":229,"tribe":232,"workerSize":233,"__hash__":235,"slug":236,"genus":237,"nickname":238,"aliases":239,"tagline":240},"species\u002Fspecies\u002Fplagiolepis-pygmaea.yml","(Latreille, 1798)","polygyne",{"biology":9,"husbandry":10,"nuptialFlight":11},"high","medium","low",[13,14,15,16,17,18,19,20,21,22,23],"ES","PT","FR","IT","CH","DE","SI","HR","GR","BG","TR",[25,26],"bite","acid",[28,29],"sugar","insects","5",null,[33,34,35,36,37],"humidity","hibernationTemperature","nuptialFlightMonths","queenSize","maxWorkers","compiled","yml",false,"claustral","moderate","recommended",[45,46],11,2,[48,49],10,15,[51,52],50,60,"https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fplagiolepis-pygmaea.jpg",{"author":55,"license":56,"url":57},"Philipp Hoenle (myrmecophil)","CC0 1.0","https:\u002F\u002Fwww.inaturalist.org\u002Fobservations\u002F207801045",800,1200,{"status":61,"checked":62},"free","2026-10-11",[64,65,66],"Plagiolepis schmitzii","Plagiolepis pyrenaica","Solenopsis fugax",5000,{},[70,71,72],"ytong","sandwich","testTube",[74,75],6,8,"monomorphic",[78,79],3,4.5,[81,82],"europe","middleEast",[84,85,86],"how-to-make-a-ytong-nest","how-to-hibernate-your-ants","how-to-make-a-test-tube-setup-tutorial","Plagiolepis pygmaea",[89,96,100,105,109,113,118,123,127,131,135,139,143,147,151,155,159,163,169,174,178,182,186,190,194,198,202,206,210,215,219,223],{"type":90,"title":91,"url":92,"covers":93},"paper","Passera, Gilbert and Aron (2001), Insectes Sociaux: Social parasitism in ants, effects of the inquiline Plagiolepis xene on queen distribution and worker production of its host Plagiolepis pygmaea (nests in south-facing embankments, seasonal polydomy, budding, laboratory colonies overwintered at 12 °C and kept for years on honey)","https:\u002F\u002Fdoi.org\u002F10.1007\u002FPL00001749",[94,95],"biology","husbandry",{"type":90,"title":97,"url":98,"covers":99},"Trontti, Aron and Sundström (2005), Molecular Ecology: Inbreeding and kinship in the ant Plagiolepis pygmaea (5 to 35 queens per nest, mating inside the nest, colony reproduction by budding)","https:\u002F\u002Fdoi.org\u002F10.1111\u002Fj.1365-294X.2005.02529.x",[94],{"type":90,"title":101,"url":102,"covers":103},"Thurin and Aron (2009), Journal of Evolutionary Biology: Sib-mating in the ant Plagiolepis pygmaea, adaptive inbreeding? (colonies with several hundred queens, low male dispersal, workers repel foreign males)","https:\u002F\u002Fdoi.org\u002F10.1111\u002Fj.1420-9101.2009.01864.x",[94,104],"nuptialFlight",{"type":90,"title":106,"url":107,"covers":108},"Thurin and Aron (2008), Animal Behaviour: Seasonal nestmate recognition in the polydomous ant Plagiolepis pygmaea (workers of one colony never fight, but always attack other colonies)","https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.anbehav.2007.08.013",[94],{"type":90,"title":110,"url":111,"covers":112},"Trontti, Thurin, Sundström and Aron (2007), Behavioral Ecology: Mating for convenience or genetic diversity? Mating patterns in the polygynous ant Plagiolepis pygmaea","https:\u002F\u002Fdoi.org\u002F10.1093\u002Fbeheco\u002Farl083",[94],{"type":114,"title":115,"url":116,"covers":117},"careSheet","formicarium.it: Scheda Plagiolepis pygmaea","https:\u002F\u002Fwww.formicarium.it\u002Fformiche-italiane\u002Fplagiolepis-pygmaea\u002F",[95,94],{"type":119,"title":120,"url":121,"covers":122},"forum","formicarium.it forum: Diario allevamento Plagiolepis pygmaea (three queens caught in June, first workers after about six weeks, two queens killed the third)","https:\u002F\u002Fformicarium.it\u002Fviewtopic.php?t=964",[95,104],{"type":119,"title":124,"url":125,"covers":126},"formicarium.it forum: Diario Plagiolepis pygmaea by humblebee (three queens and thirty workers from a stone in April, about 120 workers by August, crystallized honey)","https:\u002F\u002Fformicarium.it\u002Fviewtopic.php?t=6477",[95],{"type":119,"title":128,"url":129,"covers":130},"formicarium.it forum: Le piccole Plagiolepis pygmaea (single queen from a polygynous nest, vaseline and moat as barrier, escapes and deaths)","https:\u002F\u002Fformicarium.it\u002Fviewtopic.php?t=4181",[95],{"type":119,"title":132,"url":133,"covers":134},"formicarium.it forum: Regine trovate a Roma (tiny queens found in Rome in early June, species not yet confirmed; an experienced keeper says such queens always found a colony and are easy to raise, but the nest must be hermetically closed and not porous)","https:\u002F\u002Fformicarium.it\u002Fviewtopic.php?t=4239",[95,104],{"type":119,"title":136,"url":137,"covers":138},"formicarium.it forum: Trasferimento Plagiolepis pygmaea (three queens against single queens, plaster mini-nests, dry nest)","https:\u002F\u002Fformicarium.it\u002Fviewtopic.php?t=4883",[95],{"type":114,"title":140,"url":141,"covers":142},"Antstore: Plagiolepis pygmaea","https:\u002F\u002Fwww.antstore.net\u002Fshop\u002Fen\u002Fants\u002FAnts-from-South-Europe\u002FPlagiolepis-pygmaea.html",[95,94,104],{"type":114,"title":144,"url":145,"covers":146},"Ameisenhaltung.de: Artenverzeichnis, Plagiolepis pygmaea (honeypot workers, endangered in Germany)","https:\u002F\u002Fwww.ameisenhaltung.de\u002Fartenverzeichnis\u002Fentry\u002F271-plagiolepis-pygmaea\u002F",[95,94,104],{"type":114,"title":148,"url":149,"covers":150},"Hormigueando: Ficha de cria de Plagiolepis pygmaea","https:\u002F\u002Fhormigueando.com\u002Ffichas-de-cria\u002Fplagiolepis-pygmaea\u002F",[95,94,104],{"type":114,"title":152,"url":153,"covers":154},"FormicaMarket: Plagiolepis pygmaea care guide","https:\u002F\u002Fformicamarket.com\u002Fen\u002Fspecies\u002Fplagiolepis-pygmaea",[95,104],{"type":114,"title":156,"url":157,"covers":158},"AntScout: Plagiolepis pygmaea (care sheet compiled from the literature)","https:\u002F\u002Fantscout.com\u002Fspecies\u002Fplagiolepis-pygmaea",[95,94],{"type":114,"title":160,"url":161,"covers":162},"Ant Shack: Plagiolepis pygmaea care sheet","https:\u002F\u002Fwww.ant-shack.com\u002Fpages\u002Fencyclopedia-entry\u002Fplagiolepis-pygmaea",[95],{"type":164,"title":165,"url":166,"covers":167},"reference","DEpository: Plagiolepis pygmaea (fauna of Germany, winged ants in July and August, colonies spread by division)","https:\u002F\u002Fwwwuser.gwdguser.de\u002F~nprpic\u002Fwebrepository\u002Fmetazoa\u002Farthropoda\u002Finsecta\u002Fhymenoptera\u002Fformicidae\u002Fplagiolepis\u002Fplagiolepispyg.html",[168,94,104],"distribution",{"type":164,"title":170,"url":171,"covers":172},"AntCat: Plagiolepis pygmaea (Latreille, 1798), valid species of the Formicinae","https:\u002F\u002Fantcat.org\u002Fcatalog\u002F444985",[173],"taxonomy",{"type":164,"title":175,"url":176,"covers":177},"AntWiki: Plagiolepis pygmaea","https:\u002F\u002Fwww.antwiki.org\u002Fwiki\u002FPlagiolepis_pygmaea",[173,168,94],{"type":164,"title":179,"url":180,"covers":181},"Antkeeping.info: Plagiolepis pygmaea (country list and sizes taken from AntWiki)","https:\u002F\u002Fantkeeping.info\u002Fants\u002Fplagiolepis-pygmaea\u002F",[173,168,94],{"type":164,"title":183,"url":184,"covers":185},"Wikipedia: Plagiolepis pygmaea (range from Portugal and the Canary Islands to Iran, after Boer 2008)","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPlagiolepis_pygmaea",[173,168],{"type":164,"title":187,"url":188,"covers":189},"AntCat: Plagiolepis barbara Santschi, 1911 (the North African ant first described as a variety of P. pygmaea from Tunisia and Algeria, now a valid species, so old North African pygmaea records are not counted in the native range)","https:\u002F\u002Fantcat.org\u002Fcatalog\u002F444913",[173,168],{"type":164,"title":191,"url":192,"covers":193},"Alarcón: Claves de identificación de obreras de Plagiolepis de la Península Ibérica (funicular proportions used to separate P. pygmaea from P. schmitzii)","https:\u002F\u002Fpacoalarcon.com\u002Fformicidae\u002Fclaves_plagiolepis.pdf",[173],{"type":164,"title":195,"url":196,"covers":197},"Dictionnaire amoureux des fourmis: Plagiolepis (taxonomic history of the genus and the cryptic pygmaea, taurica and pyrenaica group)","https:\u002F\u002Fdictionnaire-amoureux-des-fourmis.fr\u002FEspeces\u002FPlagiolepis\u002FPlagiolepis.htm",[173,94],{"type":90,"title":199,"url":200,"covers":201},"Trigos-Peral and Czechowski (2025), Fragmenta Faunistica: Plagiolepis pygmaea, an introduced ant species new to Poland (northernmost record, not part of the native range)","https:\u002F\u002Fdoi.org\u002F10.3161\u002F00159301ff2025.68.1.06",[168],{"type":164,"title":203,"url":204,"covers":205},"AntFlights: Plagiolepis pygmaea, one flight record (Andalucia, 12 July 2026, 22:50, 25 °C, calm, confirmation pending)","https:\u002F\u002Fantflights.com\u002Fstats\u002Fflights\u002FPlagiolepis\u002Fpygmaea",[104],{"type":164,"title":207,"url":208,"covers":209},"GBIF: Plagiolepis pygmaea (Latreille, 1798), occurrence records by country","https:\u002F\u002Fwww.gbif.org\u002Fspecies\u002F1320777",[173,168],{"type":164,"title":211,"url":212,"covers":213},"EU list of invasive alien species of Union concern (Implementing Regulation 2016\u002F1141, consolidated)","https:\u002F\u002Feur-lex.europa.eu\u002Feli\u002Freg_impl\u002F2016\u002F1141\u002Foj",[214],"legal",{"type":164,"title":216,"url":217,"covers":218},"Bundesartenschutzverordnung (BArtSchV), Anlage 1: protected species in Germany (only Formica among the ants)","https:\u002F\u002Fwww.gesetze-im-internet.de\u002Fbartschv_2005\u002Fanlage_1.html",[214],{"type":164,"title":220,"url":221,"covers":222},"MITECO: Spanish Catalogue of Invasive Alien Species, arthropods","https:\u002F\u002Fwww.miteco.gob.es\u002Fen\u002Fbiodiversidad\u002Ftemas\u002Fconservacion-de-especies\u002Fespecies-exoticas-invasoras\u002Fce_eei_artropodos_nc.html",[214],{"type":164,"title":224,"url":225,"covers":226},"Japan Ministry of the Environment: list of designated invasive alien species (Invasive Alien Species Act)","https:\u002F\u002Fwww.env.go.jp\u002Fnature\u002Fintro\u002F2outline\u002Flist.html",[214],"species\u002Fplagiolepis-pygmaea","Formicinae",[230,231],21,28,"Plagiolepidini",[234,46],1.3,"R3sdXVlMaNgaA1dYN-98kPsDJ0i9zOegVHxnfpzOxl8","plagiolepis-pygmaea","Plagiolepis","",[],"Une fourmi grosse comme une tête d'épingle, amie du soleil, qui vit en réseaux de nids à plusieurs reines et se faufile dans les moindres interstices.",{"id":242,"title":243,"aliases":239,"body":244,"description":238,"extension":249,"faqs":250,"identification":260,"language":261,"meta":262,"navigation":263,"nickname":238,"notes":264,"path":275,"seo":276,"stem":277,"tagline":240,"__hash__":278},"speciesProfiles\u002Ffr\u002Fspecies\u002Fplagiolepis-pygmaea.md","Plagiolepis Pygmaea",{"type":245,"value":246,"toc":247},"minimark",[],{"title":238,"searchDepth":46,"depth":46,"links":248},[],"md",[251,254,257],{"question":252,"answer":253},"Une reine de Plagiolepis pygmaea peut-elle fonder seule une colonie ?","Oui. Dans la nature, les colonies se propagent surtout par bourgeonnement, quand de nouvelles reines et des ouvrières s'installent dans un nid voisin, mais des éleveurs rapportent que des reines seules ou de petits groupes élèvent leurs premières ouvrières dans un tube à essai sans être nourris. Les groupes semblent mieux réussir : un éleveur italien avait une trentaine d'ouvrières issues de trois reines à la fin juillet, alors que les reines seules n'en avaient que trois ou quatre. Les groupes peuvent aussi s'éclaircir : dans deux témoignages, un groupe de reines s'est retrouvé avec une seule.",{"question":255,"answer":256},"Pourquoi Plagiolepis pygmaea vit-elle dans autant de nids à la fois ?","Une colonie est répartie sur plusieurs nids qui échangent ouvrières, couvain et reines, ce qu'on appelle la polydomie. Dans une étude de terrain française, les colonies se divisaient au printemps en de nombreux nids proches les uns des autres, puis se regroupaient à la fin de l'été pour l'hiver. La plupart des nids ne contenaient que des ouvrières, tandis que les reines étaient regroupées dans quelques-uns.",{"question":258,"answer":259},"Puis-je réunir deux colonies de Plagiolepis pygmaea ?","Mieux vaut éviter. Dans une étude d'une population naturelle du sud de la France, les ouvrières de différents nids d'une même colonie ne se sont jamais battues, mais elles étaient toujours hostiles aux ouvrières d'autres colonies, aussi proches ou apparentées soient-elles. Les ouvrières chassent aussi les mâles non apparentés : gardez donc séparées les colonies récoltées en des endroits différents.","De minuscules ouvrières brillantes, brunes à noirâtres, souvent avec les pattes et les antennes jaunâtres plus pâles, si petites qu'elles ressemblent à des points mobiles, et dont l'abdomen gonfle en boule quand elles sont pleines de nourriture liquide. Plusieurs espèces de Plagiolepis très semblables existent : une identification sûre demande donc un microscope, car les différences tiennent à de minuscules détails comme les proportions des articles des antennes.","fr",{},true,[265,268,271,273],{"kind":266,"text":267},"tip","Proposez le sucre en traînée de miel cristallisé ou sur un minuscule morceau de papier d'aluminium, et gardez tout coton à peine humide : une seule goutte ou un bouchon détrempé peut piéger ou noyer plusieurs ouvrières à la fois.",{"kind":269,"text":270},"watchOut","Prévoyez la barrière anti-évasion avant l'éclosion des premières ouvrières et surveillez chaque jonction : les ouvrières s'entassent dans le mince interstice entre un tube à essai et son bouchon ou un tube de liaison, et des éleveurs italiens y en ont perdu beaucoup, soit écrasées quand le plastique s'est redilaté après le repos hivernal, soit tuées par accident à l'ouverture du bouchon.",{"kind":266,"text":272},"Reproduisez leur habitat naturel de sol sec réchauffé par le soleil, avec des pierres. Donnez au nid un côté chaud et une zone plus sèche à côté des chambres de couvain humides, et laissez la colonie choisir où placer le couvain.",{"kind":269,"text":274},"Proposez de minuscules proies mortes, comme des mouches des fruits ou des morceaux de moustique, car les éleveurs italiens déconseillent les insectes vivants pour des fourmis aussi petites (les collemboles font exception), et retirez les restes avant qu'ils ne moisissent. Le sucre est la base de l'alimentation et des colonies de laboratoire ont même vécu des années avec du miel seul, mais de petites portions de protéines à intervalles réguliers nourrissent un couvain à croissance rapide.","\u002Ffr\u002Fspecies\u002Fplagiolepis-pygmaea",{"description":238},"fr\u002Fspecies\u002Fplagiolepis-pygmaea","hFOqRPALpb9ushfkX9CBdM01OsD_Rj1u7hSzC453dcc",[280,281,282,283,284,285,286,287,288,289,290],"Allemagne","Bulgarie","Croatie","Espagne","France","Grèce","Italie","Portugal","Slovénie","Suisse","Turquie",[292,293,294],{"name":64,"slug":31},{"name":65,"slug":31},{"name":66,"slug":295},"solenopsis-fugax",[297,319,337],{"slug":298,"scientificName":299,"genus":300,"nickname":301,"aliases":302,"tagline":304,"image":305,"experience":38,"guide":31,"difficulty":30,"workerSize":306,"majorSize":49,"queenSize":307,"temperature":309,"hibernation":312,"hibernationTemperature":313,"hibernationBand":314,"sizeClass":315,"founding":41,"colonyStructure":316,"regions":317},"camponotus-cruentatus","Camponotus cruentatus","Camponotus","Fourmi ensanglantée",[303],"Fourmi sanguinaire","Une géante méditerranéenne d'un noir mat, avec une bande rouge rouille sur le gaster, timide tant que la colonie est petite et férocement territoriale dès qu'elle grandit.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fcamponotus-cruentatus.jpg",[74,48],[49,308],18,[310,311],25,30,"required",[48,49],"cool","large","monogyne",[81,318],"northAfrica",{"slug":320,"scientificName":321,"genus":322,"nickname":238,"aliases":323,"tagline":324,"image":325,"experience":38,"guide":31,"difficulty":326,"workerSize":327,"majorSize":31,"queenSize":329,"temperature":331,"hibernation":43,"hibernationTemperature":334,"hibernationBand":314,"sizeClass":10,"founding":41,"colonyStructure":316,"regions":336},"aphaenogaster-subterranea","Aphaenogaster subterranea","Aphaenogaster",[],"Une fourmi de forêt fine et discrète, qui niche sous les pierres, chasse sans bruit dans la litière de feuilles et rapporte les liquides sucrés au nid sur des grains de terre imbibés.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Faphaenogaster-subterranea.jpg","4",[78,328],5,[330,75],7,[332,333],20,26,[75,335],12,[81],{"slug":338,"scientificName":339,"genus":300,"nickname":238,"aliases":340,"tagline":341,"image":342,"experience":38,"guide":31,"difficulty":326,"workerSize":343,"majorSize":344,"queenSize":345,"temperature":346,"hibernation":43,"hibernationTemperature":348,"hibernationBand":314,"sizeClass":315,"founding":41,"colonyStructure":316,"regions":349},"camponotus-japonicus","Camponotus japonicus",[],"Une géante robuste d'un noir mat des champs et des parcs d'Asie de l'Est, qui se développe lentement, mais dont la colonie peut rester menée par la même reine pendant de nombreuses années.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fcamponotus-japonicus.jpg",[74,335],14,[49,308],[347,231],22,[75,335],[350],"asia",[352,359,366],{"id":353,"title":354,"description":355,"image":356,"categoryText":357,"path":358},"blog\u002Ffr\u002Fhow-to-make-a-ytong-nest.md","Comment fabriquer un nid en Ytong - Tutoriel fourmis","Dans ce tutoriel, apprenez à fabriquer un nid en Ytong pour vos colonies de fourmis ! C'est l'un des meilleurs types de nids pour de nombreuses espèces !","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_ytong_ant_nest_tutorial.png","Tutoriels","\u002Ffr\u002Fhow-to-make-a-ytong-nest",{"id":360,"title":361,"description":362,"image":363,"categoryText":364,"path":365},"blog\u002Ffr\u002Fhow-to-hibernate-your-ants.md","Comment faire hiverner vos fourmis - Tutoriel d'hivernation","Dans ce guide, parlons de l'hivernation : qu'est-ce que c'est ? Pourquoi les fourmis en ont-elles besoin ? Dois-je faire hiverner mes fourmis ? Voyons ça !","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_hibernation_guide.png","Bases","\u002Ffr\u002Fhow-to-hibernate-your-ants",{"id":367,"title":368,"description":369,"image":370,"categoryText":364,"path":371},"blog\u002Ffr\u002Fhow-to-make-a-test-tube-setup-tutorial.md","Comment préparer une installation en tube à essai - Bases","Dans ce tutoriel, apprenez à préparer une installation en tube à essai, la meilleure façon d'offrir un environnement idéal à une reine fraîchement fécondée !","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_test_tube_setup_tutorial_new.png","\u002Ffr\u002Fhow-to-make-a-test-tube-setup-tutorial",1791900247351]