[{"data":1,"prerenderedAt":258},["ShallowReactive",2],{"species-sheet-\u002Ffr\u002Fspecies\u002Fformica-cinerea":3},{"species":4,"profile":130,"countryNames":165,"lookalikes":177,"similar":182,"posts":230},{"id":5,"authority":6,"colonyStructure":7,"confidence":8,"countries":11,"defense":23,"diet":26,"difficulty":29,"dryHumidity":30,"escapeRisk":9,"estimated":30,"experience":31,"extension":32,"finder":33,"founding":34,"growth":35,"guide":36,"hibernation":37,"hibernationMonths":38,"hibernationTemperature":41,"humidity":44,"image":47,"imageCredit":30,"imageHeight":48,"imageWidth":49,"interests":50,"keptSince":30,"legal":53,"lookalikes":56,"majorSize":30,"maxWorkers":60,"meta":61,"nests":62,"nuptialFlightMonths":66,"nuptialFlightTime":30,"nuptialFlightTriggers":30,"polymorphism":68,"queenSize":69,"regions":71,"relatedPosts":74,"reviewedAt":78,"scientificName":79,"sources":80,"stem":116,"subfamily":117,"temperature":118,"tribe":121,"workerSize":122,"__hash__":124,"slug":125,"genus":126,"nickname":127,"aliases":128,"tagline":129},"species\u002Fspecies\u002Fformica-cinerea.yml","Mayr, 1853","facultative",{"biology":9,"husbandry":9,"nuptialFlight":10},"high","medium",[12,13,14,15,16,17,18,19,20,21,22],"ES","IT","CH","AT","DE","PL","CZ","HU","FI","SE","RU",[24,25],"bite","acid",[27,28],"sugar","insects","5",null,"firstHand","yml",true,"claustral","veryFast","how-to-care-for-formica-cinerea","required",[39,40],10,3,[42,43],5,8,[45,46],50,60,"https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fformica_cinerea_colony_into_ytong_nest_2.jpeg",533,800,{"big":42,"majors":51,"seeds":51,"behavior":42,"classic":52},0,1,{"status":54,"checked":55},"restricted","2026-10-11",[57,58,59],"Formica fusca","Formica selysi","Formica fuscocinerea",10000,{},[63,64,65],"ytong","sandwich","acrylic",[67,43],6,"monomorphic",[43,70],11,[72,73],"europe","asia",[75,76,77],"how-to-make-a-ytong-nest","how-to-hibernate-your-ants","5-most-common-mistakes-beginners-make-in-ant-keeping","2026-10-10","Formica cinerea",[81,89,93,98,103,108,112],{"type":82,"title":83,"url":84,"covers":85},"reference","AntWiki: Formica cinerea","https:\u002F\u002Fwww.antwiki.org\u002Fwiki\u002FFormica_cinerea",[86,87,88],"taxonomy","biology","distribution",{"type":82,"title":90,"url":91,"covers":92},"AntWeb: Formica cinerea","https:\u002F\u002Fwww.antweb.org\u002Fdescription.do?genus=formica&species=cinerea&rank=species",[86,87],{"type":82,"title":94,"url":95,"covers":96},"Wikipedia: Formica cinerea","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFormica_cinerea",[87,88,97],"nuptialFlight",{"type":99,"title":100,"url":101,"covers":102},"paper","Zhu, Chapuisat and Pamilo (2003), Hereditas: Highly variable social organisation of colonies in the ant Formica cinerea","https:\u002F\u002Fdoi.org\u002F10.1111\u002Fj.1601-5223.2003.01613.x",[87],{"type":82,"title":104,"url":105,"covers":106},"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",[107],"legal",{"type":82,"title":109,"url":110,"covers":111},"Czech Republic: Decree 395\u002F1992 Sb., Annex III, list of specially protected animals (\"mravenec - Formica spp.\": every Formica species is protected as endangered)","https:\u002F\u002Fwww.zakonyprolidi.cz\u002Fcs\u002F1992-395",[107],{"type":82,"title":113,"url":114,"covers":115},"Czech Republic: Act 114\u002F1992 Sb. on nature and landscape protection, section 50 (forbids catching, keeping, transporting and selling specially protected animals without an exemption)","https:\u002F\u002Fwww.zakonyprolidi.cz\u002Fcs\u002F1992-114",[107],"species\u002Fformica-cinerea","Formicinae",[119,120],21,27,"Formicini",[123,43],4,"Hakxn8Ug0EOUS4I1wNM1aRgVZaqWYQCnEf1wKtItkSE","formica-cinerea","Formica","",[],"Grande, rapide et nerveuse : une projeteuse d'acide formique qui peut atteindre 10 000 ouvrières.",{"id":131,"title":132,"aliases":128,"body":133,"description":127,"extension":139,"faqs":140,"identification":147,"language":148,"meta":149,"navigation":33,"nickname":127,"notes":150,"path":161,"seo":162,"stem":163,"tagline":129,"__hash__":164},"speciesProfiles\u002Ffr\u002Fspecies\u002Fformica-cinerea.md","Formica Cinerea",{"type":134,"value":135,"toc":136},"minimark",[],{"title":127,"searchDepth":137,"depth":137,"links":138},2,[],"md",[141,144],{"question":142,"answer":143},"Où vit Formica cinerea dans la nature ?","Elle aime les sols sableux ouverts, ensoleillés et secs, à la végétation clairsemée, comme les dunes côtières, les berges de rivières et les plages. Une bonne vue et des pattes rapides conviennent à ce milieu ouvert, ce qui explique que les ouvrières paraissent si vives et courent si vite.",{"question":145,"answer":146},"Formica cinerea est-elle facile à confondre avec d'autres fourmis ?","Oui. Formica fusca, Formica selysi et quelques autres Formica gris-noir lui ressemblent beaucoup, et les distinguer à coup sûr n'est possible qu'au microscope. Le reflet argenté des ouvrières et leur course rapide et nerveuse sont de bons indices, mais pas une preuve.","Des ouvrières presque noires au reflet gris argenté, avec de grands yeux et des pattes rouge sombre. Elles courent très vite et sur des trajectoires irrégulières, ce qui les rend difficiles à suivre.","fr",{},[151,154,157,159],{"kind":152,"text":153},"watchOut","Les évasions sont les plus probables pendant l'entretien de l'aire de chasse, car les ouvrières se déplacent vite et de façon irrégulière : travaillez calmement et gardez un œil sur chaque fourmi jusqu'à ce que l'installation soit refermée.",{"kind":155,"text":156},"tip","Un nid en Ytong blanc convient bien à cette espèce, car les ouvrières presque noires s'y détachent et chaque chambre est facile à observer.",{"kind":155,"text":158},"Proposez souvent des insectes : cette espèce à croissance rapide a besoin de beaucoup de protéines, et les ouvrières projettent de l'acide formique pour venir à bout de chaque insecte qu'elles croisent.",{"kind":152,"text":160},"Anticipez l'espace : avec les bons nutriments et la bonne chaleur, la colonie croît de façon explosive en quelques années, et un nid qui paraît spacieux au départ ne le restera pas.","\u002Ffr\u002Fspecies\u002Fformica-cinerea",{"description":127},"fr\u002Fspecies\u002Fformica-cinerea","zSseZ7EZ3t4dYXItMVlsaMEBUufOzCR2-15JDP7nkIQ",[166,167,168,169,170,171,172,173,174,175,176],"Allemagne","Autriche","Espagne","Finlande","Hongrie","Italie","Pologne","Russie","Suède","Suisse","Tchéquie",[178,180,181],{"name":57,"slug":179},"formica-fusca",{"name":58,"slug":30},{"name":59,"slug":30},[183,201,215],{"slug":184,"scientificName":185,"genus":126,"nickname":186,"aliases":187,"tagline":188,"image":189,"experience":190,"guide":30,"difficulty":191,"workerSize":192,"majorSize":30,"queenSize":194,"temperature":195,"hibernation":37,"hibernationTemperature":197,"hibernationBand":198,"sizeClass":10,"founding":199,"colonyStructure":7,"regions":200},"formica-sanguinea","Formica sanguinea","Fourmi rouge-sang",[],"Une pillarde audacieuse, rouge et noire, qui vole les nymphes d'autres Formica pour les élever comme auxiliaires : un projet pour les éleveurs qui maîtrisent déjà les bases.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fformica-sanguinea.jpg","compiled","6",[67,193],9,[193,70],[119,196],26,[42,43],"cold","parasitic",[72,73],{"slug":179,"scientificName":57,"genus":126,"nickname":202,"aliases":203,"tagline":205,"image":206,"experience":190,"guide":30,"difficulty":207,"workerSize":208,"majorSize":30,"queenSize":210,"temperature":211,"hibernation":37,"hibernationTemperature":213,"hibernationBand":198,"sizeClass":10,"founding":34,"colonyStructure":7,"regions":214},"Fourmi toute brune",[204],"Fourmi soyeuse","Une fourmi noire timide et vive, qui pardonne les erreurs de débutant et sert d'hôte classique aux fourmis esclavagistes.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fformica-fusca.jpg","3",[123,209],7,[43,39],[119,212],25,[42,43],[72,73],{"slug":216,"scientificName":217,"genus":218,"nickname":127,"aliases":219,"tagline":220,"image":221,"experience":190,"guide":30,"difficulty":29,"workerSize":222,"majorSize":193,"queenSize":223,"temperature":224,"hibernation":37,"hibernationTemperature":225,"hibernationBand":198,"sizeClass":10,"founding":34,"colonyStructure":226,"regions":227},"camponotus-fallax","Camponotus fallax","Camponotus",[],"Une fourmi arboricole timide et fine, qui se fige quand elle est surprise, niche dans les branches mortes et garde une petite colonie.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fcamponotus-fallax.jpg",[123,43],[43,70],[119,120],[42,39],"monogyne",[72,228,229],"northAfrica","middleEast",[231,238,245,252],{"id":232,"title":233,"description":234,"image":235,"categoryText":236,"path":237},"blog\u002Ffr\u002Fhow-to-care-for-formica-cinerea.md","Comment prendre soin de Formica cinerea","Dans ce guide, vous apprendrez à prendre soin de Formica cinerea ! Température, humidité, nourriture, hivernation, type de nid... et bien plus encore !","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_formica_cinerea_care_guide.png","Guides de soins","\u002Ffr\u002Fhow-to-care-for-formica-cinerea",{"id":239,"title":240,"description":241,"image":242,"categoryText":243,"path":244},"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":246,"title":247,"description":248,"image":249,"categoryText":250,"path":251},"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":253,"title":254,"description":255,"image":256,"categoryText":250,"path":257},"blog\u002Ffr\u002F5-most-common-mistakes-beginners-make-in-ant-keeping.md","Les 5 erreurs les plus courantes des débutants en fourmis","Dans ce tutoriel, découvrez les 5 erreurs les plus courantes que font les débutants lorsqu'ils se lancent dans l'élevage de fourmis !","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbrumaants_miniatura_most_common_mistakes.png","\u002Ffr\u002F5-most-common-mistakes-beginners-make-in-ant-keeping",1791900245471]