[{"data":1,"prerenderedAt":364},["ShallowReactive",2],{"species-sheet-\u002Fja\u002Fspecies\u002Fmessor-ibericus":3},{"species":4,"profile":235,"countryNames":273,"lookalikes":286,"similar":293,"comparisons":335,"posts":342},{"id":5,"authority":6,"colonyStructure":7,"confidence":8,"countries":11,"defense":24,"diet":26,"difficulty":30,"dryHumidity":31,"escapeRisk":10,"estimated":34,"experience":42,"extension":43,"finder":44,"founding":45,"growth":46,"guide":47,"hibernation":48,"hibernationMonths":49,"hibernationTemperature":51,"humidity":54,"image":57,"imageCredit":58,"imageHeight":62,"imageWidth":63,"interests":47,"keptSince":47,"legal":64,"lookalikes":67,"majorSize":52,"maxWorkers":71,"meta":72,"nests":73,"nuptialFlightMonths":77,"nuptialFlightTime":47,"nuptialFlightTriggers":47,"polymorphism":80,"queenSize":81,"regions":83,"relatedPosts":85,"reviewedAt":66,"scientificName":89,"sources":90,"stem":221,"subfamily":222,"temperature":223,"tribe":226,"workerSize":227,"__hash__":229,"slug":230,"genus":231,"nickname":232,"aliases":233,"tagline":234},"species\u002Fspecies\u002Fmessor-ibericus.yml","Santschi, 1925","facultative",{"biology":9,"husbandry":9,"nuptialFlight":10},"medium","low",[12,13,14,15,16,17,18,19,20,21,22,23],"ES","PT","FR","IT","MT","CH","DE","SI","HR","RO","BG","GR",[25],"bite",[27,28,29],"seeds","insects","sugar",2,[32,33],30,50,[35,36,37,38,39,40,41],"temperature","humidity","hibernationTemperature","nuptialFlightMonths","workerSize","queenSize","maxWorkers","compiled","yml",false,"claustral","fast",null,"recommended",[50,30],11,[52,53],10,15,[55,56],40,60,"https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fmessor-ibericus\u002Fmessor-ibericus.jpg",{"author":59,"license":60,"url":61},"Jonghyun Park (clurarit)","CC BY 4.0","https:\u002F\u002Fwww.inaturalist.org\u002Fobservations\u002F242538913",800,1200,{"status":65,"checked":66},"free","2026-10-26",[68,69,70],"Messor structor","Messor capitatus","Messor wasmanni",3500,{},[74,75,76],"ytong","sandwich","acrylic",[78,79],4,6,"polymorphic",[82,52],9,[84],"europe",[86,87,88],"how-to-make-a-ytong-nest","how-to-care-for-messor-barbarus","how-to-hibernate-your-ants","Messor ibericus",[91,97,101,106,113,118,122,126,130,134,138,142,146,150,154,158,163,167,171,175,179,183,188,192,196,200,205,209,213,217],{"type":92,"title":93,"url":94,"covers":95},"reference","AntCat: Messor ibericus Santschi, 1925, valid species (protonym Messor structor var. ibericus, lectotype from Gavà, Catalonia, designated by Steiner et al. 2018, with Messor structor novaki Finzi, 1929 from Dalmatia as a junior synonym)","https:\u002F\u002Fantcat.org\u002Fcatalog\u002F440092",[96],"taxonomy",{"type":92,"title":98,"url":99,"covers":100},"Catalogue of Life: Messor ibericus Santschi, 1925 (AntCat classification: Myrmicinae, Stenammini)","https:\u002F\u002Fwww.catalogueoflife.org\u002Fdata\u002Ftaxon\u002F42824",[96],{"type":102,"title":103,"url":104,"covers":105},"paper","Steiner et al. (2018), Molecular Phylogenetics and Evolution 127: Turning one into five, integrative taxonomy uncovers complex evolution of cryptic species in the harvester ant Messor structor (M. ibericus redescribed as one of the five species once lumped under structor)","https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.ympev.2018.04.005",[96],{"type":102,"title":107,"url":108,"covers":109},"Juvé et al. (2025), Nature 646: One mother for two species via obligate cross-species cloning in ants (all workers are first-generation hybrids with M. structor fathers, queens clone M. structor males from stored sperm, hybrid workers in 69 Mediterranean populations without M. structor and in Sicily over 1000 km from it, 65 laboratory colonies kept in a room at 25 °C and 40% humidity and fed grass seeds)","https:\u002F\u002Fdoi.org\u002F10.1038\u002Fs41586-025-09425-w",[96,110,111,112],"biology","distribution","husbandry",{"type":102,"title":114,"url":115,"covers":116},"Schlick-Steiner et al. (2006), European Journal of Entomology 103: More than one species of Messor harvester ants in Central Europe (the German populations near Mainz, now assigned to M. ibericus, are reported after Heller 1971 to swarm and keep their colonies strictly separate, unlike the Lower Austrian ones)","https:\u002F\u002Fwww.eje.cz\u002Fpdfs\u002Feje\u002F2006\u002F02\u002F25.pdf",[110,111,117],"nuptialFlight",{"type":102,"title":119,"url":120,"covers":121},"Lapeva-Gjonova, Gjonov, Kostova and Mifsud (2025), Journal of Hymenoptera Research 98: Vibroacoustic signalling of the Maltese Messor ants, with geographical insights into M. ibericus (range from Spain to Greece and Bulgaria, from Germany at 50° N to Crete and Malta, nests under stones, more typical of lower altitudes than M. structor, workers and queens active at night on Gozo)","https:\u002F\u002Fdoi.org\u002F10.3897\u002Fjhr.98.170415",[96,110,111],{"type":102,"title":123,"url":124,"covers":125},"Giannetti, Schifani and Grasso (2025), Current Zoology 71: An adhesive drone trap to study the flight altitude preferences of winged ants (Messor ibericus nuptial flights on 9 May 2022 and 30 April 2023 between 11:00 and 14:00 at 24 to 25 °C, queens and males caught 60 to 75 m up)","https:\u002F\u002Fdoi.org\u002F10.1093\u002Fcz\u002Fzoaf002",[117],{"type":102,"title":127,"url":128,"covers":129},"Lebas (2021), Osmia 9: Influence des activités humaines sur la répartition des fourmis du genre Messor dans les Pyrénées-Orientales (M. ibericus in gorse scrub, roadsides, banks, vineyards and gardens, largest populations along irrigation ditches, an almost strictly Mediterranean range with a pocket in Germany)","https:\u002F\u002Fdoi.org\u002F10.47446\u002FOSMIA9.9",[110,111],{"type":102,"title":131,"url":132,"covers":133},"Lapeva-Gjonova and Antonova (2022), Biodiversity Data Journal 10: An updated checklist of ants of Bulgaria, after 130 years of research (M. ibericus recorded for Bulgaria by Steiner et al. 2018)","https:\u002F\u002Fdoi.org\u002F10.3897\u002FBDJ.10.e95599",[111],{"type":102,"title":135,"url":136,"covers":137},"Lapeva-Gjonova et al. (2025), Biodiversity Data Journal 13: DNA barcoding of Messor ants of Bulgaria (the COI barcode separates M. ibericus, whose workers are hybrids with M. structor)","https:\u002F\u002Fdoi.org\u002F10.3897\u002Fbdj.13.e168586",[96,111],{"type":92,"title":139,"url":140,"covers":141},"AntWiki: Messor ibericus (told from M. structor and M. muticus by the short first funicular segment and the scape base without a lobe, the smallest queens of the complex, the most common structor-group species in Greece, open habitats, country list, swarming and separate colonies near Mainz)","https:\u002F\u002Fwww.antwiki.org\u002Fwiki\u002FMessor_ibericus",[96,110,111],{"type":92,"title":143,"url":144,"covers":145},"GBIF: Messor ibericus, occurrence records by country (Italy, Spain, France, Switzerland, Greece, Germany, Croatia, Bulgaria, Slovenia, Portugal) and the English name Iberian harvester ant from the Catalogue of Life","https:\u002F\u002Fwww.gbif.org\u002Fspecies\u002F1316409",[96,111],{"type":92,"title":147,"url":148,"covers":149},"Wikipedia: Messor ibericus (Iberian harvester ant, xenoparity)","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMessor_ibericus",[96,110],{"type":92,"title":151,"url":152,"covers":153},"Wikipedia (Spanish): Messor ibericus, hormiga cosechadora ibérica (warm, open and dry habitats such as scrub, grassland, roadsides, open pine woods and olive groves)","https:\u002F\u002Fes.wikipedia.org\u002Fwiki\u002FMessor_ibericus",[96,110,111],{"type":92,"title":155,"url":156,"covers":157},"iNaturalist: Messor ibericus observations annotated as male (only ten records, several not yet verified, in March and April and again from September to November)","https:\u002F\u002Fwww.inaturalist.org\u002Fobservations?taxon_id=840243&term_id=9&term_value_id=11",[117],{"type":159,"title":160,"url":161,"covers":162},"careSheet","Ameisenforum.de: Steckbrief Messor ibericus, früher Messor structor (sizes, mostly polygyne colonies that spread by budding, Ytong nest with a damp area and larger dry areas, winter rest from late October to March in Central Europe)","https:\u002F\u002Fameisenforum.de\u002Fviewtopic.php?t=31069",[112,110,111,117],{"type":159,"title":164,"url":165,"covers":166},"formicarium.it: Scheda di allevamento di Messor structor (Italian populations, which recent studies assign to M. ibericus: polygynous colonies, no true nuptial flight, budding, nest at 22 to 28 °C, optional winter rest at 5 to 15 °C, plaster, Ytong or soil sandwich nests, digging into damp plaster, sweet fruit preferred to honey)","https:\u002F\u002Fformicarium.it\u002Fformiche-italiane\u002Fmessor-structor\u002F",[112,110],{"type":159,"title":168,"url":169,"covers":170},"Ants R Us: Messor ibericus starter kit (claustral founding, nest 18 to 26 °C, 50 to 60% humidity, winter rest from November to February at 15 °C)","https:\u002F\u002Fwww.antsrus.com\u002Fproduct-page\u002Fmessor-ibericus-starter-kit",[112],{"type":159,"title":172,"url":173,"covers":174},"FormicaMarket: Messor ibericus care guide (nest 21 to 30 °C and 40 to 60% humidity, winter rest at 12 °C, mostly dry Ytong, plaster or 3D-printed nests; its queen size of 14 to 17 mm and summer flight months do not match the other sources)","https:\u002F\u002Fformicamarket.com\u002Fen\u002Fant-database\u002Fmessor-ibericus\u002F",[112],{"type":159,"title":176,"url":177,"covers":178},"Antariums: fiche d’élevage Messor structor (M. ibericus has a slightly shorter first funicular segment and smaller queens, and is kept the same way)","https:\u002F\u002Fv5.antariums.org\u002Fmessor-structor",[96,112],{"type":159,"title":180,"url":181,"covers":182},"Antkeeping.info: Messor ibericus (country list, flights in May and June)","https:\u002F\u002Fantkeeping.info\u002Fants\u002Fmessor-ibericus\u002F",[111,117],{"type":184,"title":185,"url":186,"covers":187},"forum","formicarium.it forum: Regine Messor structor (Marano sul Panaro, Modena, 17 April 2013: winged queens at a nest entrance in the evening without flying, mating on the ground, budding, and keepers noting that lone queens rarely found a colony)","https:\u002F\u002Fformicarium.it\u002Fviewtopic.php?t=6303",[110,117,112],{"type":184,"title":189,"url":190,"covers":191},"formicarium.it forum: Diario di allevamento di Messor structor (an Italian colony of a few thousand workers with 12 dealate and about 40 winged queens, Ytong nest painted with acrylic paint, heat mat, 12 to 15 crickets or mealworms a week)","https:\u002F\u002Fformicarium.it\u002Fviewtopic.php?t=5580",[112,110],{"type":184,"title":193,"url":194,"covers":195},"formicarium.it forum: Formicai in gesso, verticale e orizzontale (an Italian colony of over 3400 workers and about 30 queens, workers tunneling through damp plaster into the water tank)","https:\u002F\u002Fformicarium.it\u002Fviewtopic.php?t=151",[112,110],{"type":92,"title":197,"url":198,"covers":199},"AntFlights: prenuptial flight of Messor ibericus, Madrid, Spain, 31 March 2025 at 12:41 (sunny and calm, not yet confirmed on the site)","https:\u002F\u002Fantflights.com\u002Ff\u002F2373\u002Fprenuptial-flight-messor-ibericus-comunidad-de-madrid-spain",[117],{"type":92,"title":201,"url":202,"covers":203},"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",[204],"legal",{"type":92,"title":206,"url":207,"covers":208},"Wikipedia: List of invasive alien species of Union concern (the listed ants are Brachyponera chinensis, Solenopsis geminata, invicta and richteri, and Wasmannia auropunctata, no Messor)","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FList_of_invasive_alien_species_of_Union_concern",[204],{"type":92,"title":210,"url":211,"covers":212},"Bundesartenschutzverordnung (BArtSchV), Anlage 1: protected species in Germany (Formica only, no Messor)","https:\u002F\u002Fwww.gesetze-im-internet.de\u002Fbartschv_2005\u002Fanlage_1.html",[204],{"type":92,"title":214,"url":215,"covers":216},"MITECO: Spanish Catalogue of Invasive Alien Species, arthropods (no Messor)","https:\u002F\u002Fwww.miteco.gob.es\u002Fen\u002Fbiodiversidad\u002Ftemas\u002Fconservacion-de-especies\u002Fespecies-exoticas-invasoras\u002Fce_eei_artropodos_nc.html",[204],{"type":92,"title":218,"url":219,"covers":220},"Japan Ministry of the Environment: list of designated invasive alien species (Invasive Alien Species Act, no Messor)","https:\u002F\u002Fwww.env.go.jp\u002Fnature\u002Fintro\u002F2outline\u002Flist.html",[204],"species\u002Fmessor-ibericus","Myrmicinae",[224,225],22,28,"Stenammini",[78,228],8,"2NvbTb3Jrc90cLU5OCA6PRI_bLVohp5t0YlK9ZVHqas","messor-ibericus","Messor","",[],"南ヨーロッパにすむ毛深い茶色の種子収穫アリで、女王アリは別種のオスをクローンで生み出すことで、雑種の働きアリを育てます。",{"id":236,"title":237,"aliases":233,"body":238,"description":232,"extension":243,"faqs":244,"identification":254,"language":255,"meta":256,"navigation":257,"nickname":232,"notes":258,"path":269,"seo":270,"stem":271,"tagline":234,"__hash__":272},"speciesProfiles\u002Fja\u002Fspecies\u002Fmessor-ibericus.md","Messor Ibericus",{"type":239,"value":240,"toc":241},"minimark",[],{"title":232,"searchDepth":30,"depth":30,"links":242},[],"md",[245,248,251],{"question":246,"answer":247},"Messor ibericusの女王アリは、どうやって別の種を産むのですか？","この女王アリの働きアリは、Messor structorのオスの精子からしか生まれないため、働きアリはすべて雑種です。一方、自分と同じ種の精子からは新しい女王アリが生まれます。調べられたコロニーの大半では、そのstructorのオスを女王アリ自身が産みます。卵の一部は、保存していた精子に由来するstructorのDNAだけを持ち、交尾した相手のクローンに育ちます。ある実験室のコロニーでは、1匹の女王アリが、毛深いibericusのオスと、ほとんど毛のないstructorのオスの両方を育てました。研究者はこの現象を「異種出産」（xenoparity）と呼んでいます。",{"question":249,"answer":250},"私のMessor structorのコロニーは、実はMessor ibericusですか？","イタリア、スペイン、地中海沿岸のものなら、おそらくそうです。2018年の研究がこれを5種に分けるまで、どちらもstructorという名前で呼ばれていました。2025年の研究では、structorのコロニーが1つもない地中海の69の個体群でMessor ibericusが見つかりました。働きアリを見分けるには顕微鏡が必要ですが、どちらの種も同じ飼い方です。",{"question":252,"answer":253},"Messor ibericusはどこにすんでいますか？","地中海北部の周辺で、スペインとポルトガルから、フランス南部、イタリア、スイス、バルカン半島を経て、ギリシャ、ブルガリア、ルーマニアまで、南はクレタ島とマルタまですんでいて、ドイツのマインツ近郊にも孤立した生息地があります。乾いた草地、道ばた、ブドウ畑、庭など、暖かく開けた土地に巣をつくり、石の下であることも多く、町なかでも見られます。たいていMessor structorより標高の低い場所にいます。","赤みがかった茶色から濃い茶色の、さまざまな大きさの働きアリで、毛が多く、つやのある黒いMessor capitatusよりくすんで見えます。Messor structorとはほぼ双子のようによく似ていて、触角の柄節に続く最初の節がわずかに短いことは顕微鏡でしかわからず、女王アリも小さいため、地中海周辺では産地がいちばんの手がかりになります。","ja",{},true,[259,262,265,267],{"kind":260,"text":261},"tip","暖かく、わりと乾いた巣が合っています。2025年にNatureに載った研究のチームは、65のコロニーを25°C、湿度40%の部屋で飼い、草の種子を与えました。水を入れた試験管か、湿った一角を1つ用意しましょう。ただし種子の貯蔵場所は乾いたままにしてください。湿りすぎた種子は発芽してしまい、そうなると働きアリが巣の外へ運び出すからです。",{"kind":263,"text":264},"watchOut","巣のそばで拾った女王アリは、単独ではいつまでもコロニーを始められないかもしれません。イタリアでは、羽のある女王アリが飛び立たずに巣の入り口で待っているのが見られ、飼育者の報告によると、地上で交尾したあと、巣に戻るか働きアリの一団と一緒に出ていき、単独でコロニーを創設することはめったにありません。このような女王アリは働きアリ数匹と一緒に採集するか、すでに働きアリがいるコロニーから始めましょう。",{"kind":260,"text":266},"主食は種子で、最初の働きアリにはタンポポや草の小さな種子を与えます。コロニーが育ったら昆虫も加えましょう。数千匹の働きアリがいるイタリアのコロニーは、週に12〜15匹のコオロギまたはミルワームを食べました。甘く熟した果物は、はちみつより好まれる傾向があります。",{"kind":263,"text":268},"働きアリは、石膏やYtongの湿ったところを掘ります。イタリアのあるコロニーは、やわらかくなった石膏にトンネルを掘って巣の給水タンクまで達したので、部屋のまわりには厚い壁を残しておきましょう。別の飼育者はYtongの巣にアクリル絵の具を塗り、アリは塗っていない部分だけを掘りました。","\u002Fja\u002Fspecies\u002Fmessor-ibericus",{"description":232},"ja\u002Fspecies\u002Fmessor-ibericus","CHkN4Byggo5gWU3Ec-SNzVMUJk7LIwGiP1cDG0g-Dxs",[274,275,276,277,278,279,280,281,282,283,284,285],"イタリア","ギリシャ","クロアチア","スイス","スペイン","スロベニア","ドイツ","フランス","ブルガリア","ポルトガル","マルタ","ルーマニア",[287,289,291],{"name":68,"slug":288},"messor-structor",{"name":69,"slug":290},"messor-capitatus",{"name":70,"slug":292},"messor-wasmanni",[294,310,321],{"slug":290,"scientificName":69,"genus":231,"nickname":295,"aliases":296,"tagline":297,"image":298,"experience":42,"guide":47,"difficulty":30,"workerSize":299,"majorSize":300,"queenSize":301,"temperature":302,"hibernation":303,"hibernationTemperature":304,"hibernationBand":305,"sizeClass":306,"founding":45,"colonyStructure":307,"regions":308},"キャピタトゥスクロナガアリ",[],"乾いた岩場で、頭の大きな大型働きアリが硬い種子をすりつぶして「アリのパン」にする、つやのある黒い種子収穫アリです。","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fmessor-capitatus\u002Fmessor-capitatus.jpg",[78,228],13,[300,53],[224,225],"required",[52,53],"cool","large","monogyne",[84,309],"northAfrica",{"slug":288,"scientificName":68,"genus":231,"nickname":232,"aliases":311,"tagline":312,"image":313,"experience":42,"guide":47,"difficulty":30,"workerSize":314,"majorSize":52,"queenSize":315,"temperature":316,"hibernation":303,"hibernationTemperature":317,"hibernationBand":305,"sizeClass":306,"founding":45,"colonyStructure":319,"regions":320},[],"体表がざらざらした茶色の種子収穫アリで、巣に多くの女王アリを抱え、新しいコロニーを分けて広がっていきます。","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fmessor-structor\u002Fmessor-structor.jpg",[78,228],[82,50],[224,225],[228,318],12,"polygyne",[84],{"slug":322,"scientificName":323,"genus":231,"nickname":232,"aliases":324,"tagline":325,"image":326,"experience":42,"guide":47,"difficulty":30,"workerSize":327,"majorSize":52,"queenSize":328,"temperature":329,"hibernation":48,"hibernationTemperature":330,"hibernationBand":332,"sizeClass":306,"founding":45,"colonyStructure":307,"regions":333},"messor-ebeninus","Messor ebeninus",[],"中東にすむ、黒檀のようにつやのある黒い種子収穫アリで、種子は上の階にたくわえ、ブルードはずっと下の湿った土の中で育てます。","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Fmessor-ebeninus\u002Fmessor-ebeninus.jpg",[78,228],[50,318],[224,225],[53,331],18,"mild",[334,309],"middleEast",[336,338,340],{"pair":337,"name":69},"messor-capitatus-vs-messor-ibericus",{"pair":339,"name":68},"messor-ibericus-vs-messor-structor",{"pair":341,"name":70},"messor-ibericus-vs-messor-wasmanni",[343,350,357],{"id":344,"title":345,"description":346,"image":347,"categoryText":348,"path":349},"blog\u002Fja\u002Fhow-to-make-a-ytong-nest.md","Ytong製の巣の作り方 - アリ飼育チュートリアル","このチュートリアルでは、アリのコロニーのためのYtong製の巣の作り方を紹介します！多くのアリの種にとって最高の巣のひとつです！","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_ytong_ant_nest_tutorial.png","チュートリアル","\u002Fja\u002Fhow-to-make-a-ytong-nest",{"id":351,"title":352,"description":353,"image":354,"categoryText":355,"path":356},"blog\u002Fja\u002Fhow-to-care-for-messor-barbarus.md","Messor barbarusの飼い方","このガイドでは、Messor barbarusの飼い方を紹介します！温度、湿度、餌、冬眠、巣の種類など、知っておきたい情報が満載です！","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_messor_barbarus_care_guide.png","飼育ガイド","\u002Fja\u002Fhow-to-care-for-messor-barbarus",{"id":358,"title":359,"description":360,"image":361,"categoryText":362,"path":363},"blog\u002Fja\u002Fhow-to-hibernate-your-ants.md","アリを冬眠させる方法 - 冬眠チュートリアル","このガイドでは冬眠についてお話しします。冬眠とは？なぜアリに冬眠が必要なの？自分のアリを冬眠させるべき？見ていきましょう！","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_hibernation_guide.png","アリ飼育の基本","\u002Fja\u002Fhow-to-hibernate-your-ants",1793205534352]