[{"data":1,"prerenderedAt":377},["ShallowReactive",2],{"species-sheet-\u002Fde\u002Fspecies\u002Flasius-alienus":3},{"species":4,"profile":235,"countryNames":274,"lookalikes":294,"similar":301,"comparisons":353,"posts":356},{"id":5,"authority":6,"colonyStructure":7,"confidence":8,"countries":11,"defense":31,"diet":34,"difficulty":37,"dryHumidity":38,"escapeRisk":9,"estimated":39,"experience":46,"extension":47,"finder":48,"founding":49,"growth":50,"guide":38,"hibernation":51,"hibernationMonths":52,"hibernationTemperature":55,"humidity":58,"image":61,"imageCredit":62,"imageHeight":66,"imageWidth":67,"interests":38,"keptSince":38,"legal":68,"lookalikes":71,"majorSize":38,"maxWorkers":77,"meta":78,"nests":79,"nuptialFlightMonths":83,"nuptialFlightTime":38,"nuptialFlightTriggers":38,"polymorphism":86,"queenSize":87,"regions":88,"relatedPosts":92,"reviewedAt":70,"scientificName":96,"sources":97,"stem":221,"subfamily":222,"temperature":223,"tribe":226,"workerSize":227,"__hash__":229,"slug":230,"genus":231,"nickname":232,"aliases":233,"tagline":234},"species\u002Fspecies\u002Flasius-alienus.yml","(Foerster, 1850)","monogyne",{"biology":9,"husbandry":10,"nuptialFlight":9},"medium","low",[12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],"GB","FR","ES","AD","DE","AT","CZ","SK","SE","BG","GR","UA","TR","GE","RU","IR","KZ","KG","CN",[32,33],"bite","acid",[35,36],"sugar","insects",2,null,[40,41,42,43,44,45],"temperature","humidity","hibernationTemperature","workerSize","queenSize","maxWorkers","compiled","yml",false,"claustral","moderate","required",[53,54],10,3,[56,57],5,8,[59,60],50,60,"https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Flasius-alienus\u002Flasius-alienus.jpg",{"author":63,"license":64,"url":65},"Philipp Hoenle (myrmecophil)","CC0 1.0","https:\u002F\u002Fwww.inaturalist.org\u002Fobservations\u002F164495534",800,1200,{"status":69,"checked":70},"free","2026-10-26",[72,73,74,75,76],"Lasius niger","Lasius paralienus","Lasius psammophilus","Lasius platythorax","Lasius neglectus",5000,{},[80,81,82],"sandwich","ytong","acrylic",[84,85],7,9,"monomorphic",[84,85],[89,90,91],"europe","middleEast","asia",[93,94,95],"how-to-care-for-lasius-niger","how-to-make-a-test-tube-setup-tutorial","how-to-hibernate-your-ants","Lasius alienus",[98,104,110,116,121,125,129,133,137,141,145,149,153,159,163,167,171,175,179,183,187,192,196,200,205,209,213,217],{"type":99,"title":100,"url":101,"covers":102},"reference","AntCat: Lasius alienus (Foerster, 1850), valid species, neotype from the Eifel, Germany","https:\u002F\u002Fantcat.org\u002Fcatalog\u002F438715",[103],"taxonomy",{"type":105,"title":106,"url":107,"covers":108},"paper","Seifert (2020), Soil Organisms 92: A taxonomic revision of the Palaearctic members of the subgenus Lasius s.str. (range from northern Iberia and southern England to the Bogda Shan, northern border at 53.3 degrees N in Central Europe, scape and hind tibia without or with very few standing hairs, L. niger with numerous standing hairs on all body parts)","https:\u002F\u002Fdoi.org\u002F10.25674\u002Fso92iss1pp15",[103,109],"distribution",{"type":105,"title":111,"url":112,"covers":113},"Seifert (1992), Abhandlungen und Berichte des Naturkundemuseums Görlitz 66: A taxonomic revision of the Palaearctic members of the ant subgenus Lasius s. str. (split into L. alienus, L. paralienus and L. psammophilus, habitats and soils of each, alates found from 9 July to 20 September, workers rarely bite, main host of Lasius jensi)","https:\u002F\u002Fbwars.com\u002Fsites\u002Fdefault\u002Ffiles\u002Fdiary_downloads\u002F2561_Seifert%20Lasius%201992.pdf",[103,114,109,115],"biology","nuptialFlight",{"type":117,"title":118,"url":119,"covers":120},"book","Collingwood (1979), Fauna Entomologica Scandinavica 8: The Formicidae (Hymenoptera) of Fennoscandia and Denmark, treatment of Lasius alienus in the broad sense used before 1992 (Plazi TreatmentBank)","https:\u002F\u002Ftreatment.plazi.org\u002Fid\u002F8DDA1C67539F5BDC475D1FA714E00D1B",[103,114,115],{"type":105,"title":122,"url":123,"covers":124},"Schär, Talavera, Rana, Espadaler, Cover, Shattuck and Vila (2022), Scientific Reports 12: Integrative taxonomy reveals cryptic diversity in North American Lasius ants, and an overlooked introduced species (L. alienus is Eurasian and not known from North America, the old North American alienus is L. americanus and part of L. ponderosae)","https:\u002F\u002Fdoi.org\u002F10.1038\u002Fs41598-022-10047-9",[103,109],{"type":105,"title":126,"url":127,"covers":128},"Schifani, Csősz, Viviano and Alicata (2021), Natural History Sciences 8: Ant diversity on the largest Mediterranean islands: on the presence or absence of 28 species in Sicily, treatment of Lasius alienus (Italian records doubtful, Plazi copy on Zenodo)","https:\u002F\u002Fzenodo.org\u002Frecords\u002F13373604",[103,109],{"type":99,"title":130,"url":131,"covers":132},"AntWiki: Lasius alienus (Seifert 2020 diagnosis, North American records moved to L. americanus, habitat and behavior notes by Wilson 1955 and Collingwood 1979)","https:\u002F\u002Fwww.antwiki.org\u002Fwiki\u002FLasius_alienus",[103,114,109],{"type":99,"title":134,"url":135,"covers":136},"BWARS: Lasius alienus (Bees, Wasps and Ants Recording Society; warm dry habitats such as chalk grassland, no erect hairs on scapes and tibiae, flight period July to September)","https:\u002F\u002Fbwars.com\u002Fant\u002Fformicidae\u002Fformicinae\u002Flasius-alienus",[114,109,115],{"type":99,"title":138,"url":139,"covers":140},"Catalogue of Life: Lasius alienus (Foerster, 1850) (AntCat classification: Formicinae, Lasiini)","https:\u002F\u002Fwww.catalogueoflife.org\u002Fdata\u002Ftaxon\u002F3SGW5",[103],{"type":99,"title":142,"url":143,"covers":144},"GBIF: Lasius alienus (Foerster, 1850), accepted name and vernacular names (the occurrence map still mixes in North American and pre-1992 records of other species)","https:\u002F\u002Fwww.gbif.org\u002Fspecies\u002F5035777",[103],{"type":99,"title":146,"url":147,"covers":148},"Wikipedia: Lasius alienus (sizes, North American populations now L. americanus, mutualism with the silver-studded blue butterfly)","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLasius_alienus",[103,114],{"type":99,"title":150,"url":151,"covers":152},"Wikipedia (German): Fremde Wegameise","https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FFremde_Wegameise",[114,115],{"type":154,"title":155,"url":156,"covers":157},"careSheet","Ameisenhaltung.de: Artenverzeichnis, Lasius alienus","https:\u002F\u002Fwww.ameisenhaltung.de\u002Fartenverzeichnis\u002Fentry\u002F220-lasius-alienus\u002F",[158,114,115],"husbandry",{"type":99,"title":160,"url":161,"covers":162},"Ameisenhaltung.de: Schwarmflug table of swarming months","https:\u002F\u002Fwww.ameisenhaltung.de\u002Fschwarmflug\u002F",[115],{"type":154,"title":164,"url":165,"covers":166},"Ameisenforum.de: Artbeschreibung Lasius alienus (species profile with nests, food, winter rest and swarming time)","https:\u002F\u002Fwww.ameisenforum.de\u002Fviewtopic.php?t=38996",[158,114,115],{"type":154,"title":168,"url":169,"covers":170},"Antstore: Lasius alienus (nest 21 to 24 degrees C, winter rest at 5 to 8 degrees C from late October to late March)","https:\u002F\u002Fwww.antstore.net\u002Fshop\u002Fen\u002Fants\u002FAnts-from-Central-Europe\u002FLasius-alienus.html",[158],{"type":154,"title":172,"url":173,"covers":174},"Ants R Us: Lasius alienus queen with workers, foreign garden ant (care data and growth claims)","https:\u002F\u002Fwww.antsrus.com\u002Fproduct-page\u002Flasius-alienus-queen-with-workers",[158],{"type":154,"title":176,"url":177,"covers":178},"FormicaMarket: Lasius alienus care guide","https:\u002F\u002Fformicamarket.com\u002Fen\u002Fant-database\u002Flasius-alienus\u002F",[158],{"type":154,"title":180,"url":181,"covers":182},"Antkeeping.info: Lasius alienus","https:\u002F\u002Fantkeeping.info\u002Fants\u002Flasius-alienus\u002F",[158,115],{"type":154,"title":184,"url":185,"covers":186},"Ant Shack: Lasius alienus (partly mixed with the North American cornfield ant, moisture gradient advice)","https:\u002F\u002Fwww.ant-shack.com\u002Fpages\u002Fencyclopedia-entry\u002Flasius-alienus",[158],{"type":188,"title":189,"url":190,"covers":191},"forum","Ameisenforum.de: Haltungsbericht Lasius alienus, erste Kolonie (queen identified by size, shy and mostly nocturnal colony, winter rest in a fridge)","https:\u002F\u002Fwww.ameisenforum.de\u002Fviewtopic.php?t=56739",[158],{"type":188,"title":193,"url":194,"covers":195},"Ameisenforum.de: Lasius alienus, Winterruhe (keepers advise a winter rest like Lasius niger)","https:\u002F\u002Fwww.ameisenforum.de\u002Fviewtopic.php?t=54101",[158],{"type":188,"title":197,"url":198,"covers":199},"Ameisenforum.de: Bestimmung, Lasius alienus? (experienced members say the species cannot be identified from photos)","https:\u002F\u002Fwww.ameisenforum.de\u002Fviewtopic.php?t=43105",[103],{"type":99,"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":99,"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 Lasius)","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FList_of_invasive_alien_species_of_Union_concern",[204],{"type":99,"title":210,"url":211,"covers":212},"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",[204],{"type":99,"title":214,"url":215,"covers":216},"MITECO: Spanish Catalogue of Invasive Alien Species, arthropods (only Lasius neglectus among the Lasius)","https:\u002F\u002Fwww.miteco.gob.es\u002Fes\u002Fbiodiversidad\u002Ftemas\u002Fconservacion-de-especies\u002Fespecies-exoticas-invasoras\u002Fce_eei_artropodos_nc.html",[204],{"type":99,"title":218,"url":219,"covers":220},"Japan Ministry of the Environment: designated invasive alien species under the Invasive Alien Species Act (no Lasius)","https:\u002F\u002Fwww.env.go.jp\u002Fnature\u002Fintro\u002F2outline\u002Flist.html",[204],"species\u002Flasius-alienus","Formicinae",[224,225],21,25,"Lasiini",[37,228],4,"2cV0Vd4k92re5F69VV1DnAjO-RKSdDlcT7Z0HH1qeLs","lasius-alienus","Lasius","Fremde Wegameise",[],"Eine kleine, scheue, braune Lasius auf warmem, trockenem Grasland und Kalkboden, die leicht mit der Schwarzen Wegameise verwechselt wird.",{"id":236,"title":237,"aliases":233,"body":238,"description":242,"extension":244,"faqs":245,"identification":255,"language":256,"meta":257,"navigation":258,"nickname":232,"notes":259,"path":270,"seo":271,"stem":272,"tagline":234,"__hash__":273},"speciesProfiles\u002Fde\u002Fspecies\u002Flasius-alienus.md","Lasius Alienus",{"type":239,"value":240,"toc":241},"minimark",[],{"title":242,"searchDepth":37,"depth":37,"links":243},"",[],"md",[246,249,252],{"question":247,"answer":248},"Wie unterscheide ich Lasius alienus von Lasius niger?","Sieh dir mehrere Arbeiterinnen unter einer starken Lupe an. Bei Lasius alienus haben die Fühlerschäfte und die Schienen der Hinterbeine keine abstehenden Haare oder nur wenige nahe der Schienenbasis, während Lasius niger an allen Körperteilen viele abstehende Haare hat. Außerdem sind die Arbeiterinnen von Lasius alienus etwas kleiner und haben hellere, gelbbraune Schienen. Verlasse dich nicht allein auf eine Königin, denn Königinnen von Lasius alienus haben normalerweise einige Haare auf den Fühlerschäften und den Schienen der Hinterbeine.",{"question":250,"answer":251},"Ist Lasius alienus die „cornfield ant“ Nordamerikas?","Nein. Jahrzehntelang wurden kleine braune Lasius mit wenigen Haaren in Nordamerika als Lasius alienus, die „cornfield ant“, bezeichnet. Eine Studie von 2018 zeigte, dass sie zu einer eigenen Art gehören, die heute Lasius americanus heißt, und eine Studie von 2022 ergänzte, dass einige von ihnen Lasius ponderosae sind. Die echte Lasius alienus ist eine eurasische Ameise, die aus Nordamerika nicht bekannt ist; amerikanische Pflegeanleitungen unter diesem Namen beschreiben also eine andere Ameise.",{"question":253,"answer":254},"Wo lebt Lasius alienus?","An warmen, trockenen, offenen Orten im gemäßigten Europa und Asien, von Nordspanien und Südengland bis Nordwestchina, und in Mitteleuropa bis etwa 53 Grad nördlicher Breite. Typische Standorte sind trockenes Grasland, nackter Felsboden, Obstgärten, sonnige Waldränder und lichte Eichenwälder, und in einer Studie lagen etwa drei Viertel von 176 mitteleuropäischen Nestplätzen auf Kalk oder Kreide. In mitteleuropäischen Städten, wo Lasius niger dominiert, fehlt sie, und auf Sandboden nimmt meist Lasius psammophilus ihren Platz ein.","Kleine Arbeiterinnen mit mittel- bis dunkelbraunem Körper und helleren, gelbbraunen Fühlern und unteren Beinabschnitten; unter einer starken Lupe zeigen die Fühlerschäfte und die Schienen der Hinterbeine keine abstehenden Haare oder nur wenige, während Lasius niger und Lasius platythorax viele haben. Auch Lasius paralienus, Lasius psammophilus und die invasive Lasius neglectus haben diese Haare nicht, und um sie zu unterscheiden, muss man mehrere Arbeiterinnen unter dem Mikroskop vermessen.","de",{},true,[260,263,266,268],{"kind":261,"text":262},"watchOut","Überprüfe die Bestimmung, bevor du deine Planung darauf aufbaust. Gründende Königinnen werden leicht mit Lasius niger verwechselt, und erfahrene Forenmitglieder sagen, dass sich diese Ameise nicht anhand von Fotos bestimmen lässt. Warte auf Arbeiterinnen normaler Größe und sieh dir mehrere davon unter einer starken Lupe an, denn die winzigen ersten Arbeiterinnen tragen weniger Haare. Bis dahin nenne die Kolonie Lasius cf. alienus.",{"kind":264,"text":265},"tip","Die Pflege ähnelt stark der von Lasius niger: Die claustrale Königin braucht kein Futter, bis ihre ersten Arbeiterinnen geschlüpft sind, danach biete Zuckerwasser oder Honig und kleine Insekten wie Fruchtfliegen an. In einem deutschen Haltungsbericht trugen die Arbeiterinnen kleine Beutetiere bereitwillig ins Nest, besuchten den Honig nach den ersten Wochen aber nur hin und wieder.",{"kind":264,"text":267},"Gib ihr ein warmes, eher trockenes Nest mit einer feuchten Ecke statt eines durchgehend nassen Nests. In der Natur liegen die Nester auf sonnigem, trockenem Grasland und auf felsigem Untergrund, und Ameisenshops empfehlen etwa 21 bis 24 °C im Nestteil, mit trockenerer Luft in der Arena als im Nest.",{"kind":261,"text":269},"Rechne mit einer zurückgezogenen Kolonie. Faunistische Werke über Ameisen beschreiben sie als überwiegend unterirdisch lebend und weniger auffällig als Lasius niger, und ein deutscher Halter beobachtete, dass seine junge Kolonie nur nachts aktiv und sehr scheu war. Decke das Nest ab, kontrolliere es selten und trage die Ausbruchschutz-Barriere dick auf, denn eine winzige Arbeiterin kam über eine dünn mit Talkum bestrichene Stelle erstaunlich weit.","\u002Fde\u002Fspecies\u002Flasius-alienus",{"description":242},"de\u002Fspecies\u002Flasius-alienus","r2EU5leJlY4ZEDy-oAf8GN0f1eCnaXz3wTrMyyrEDAY",[275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293],"Andorra","Bulgarien","China","Deutschland","Frankreich","Georgien","Griechenland","Iran","Kasachstan","Kirgisistan","Österreich","Russland","Schweden","Slowakei","Spanien","Tschechien","Türkei","Ukraine","Vereinigtes Königreich",[295,297,298,299,300],{"name":72,"slug":296},"lasius-niger",{"name":73,"slug":38},{"name":74,"slug":38},{"name":75,"slug":38},{"name":76,"slug":38},[302,320,337],{"slug":303,"scientificName":304,"genus":231,"nickname":305,"aliases":306,"tagline":309,"image":310,"experience":46,"guide":38,"difficulty":37,"workerSize":311,"majorSize":38,"queenSize":312,"temperature":313,"hibernation":51,"hibernationTemperature":315,"hibernationBand":316,"sizeClass":9,"founding":49,"colonyStructure":317,"regions":318},"lasius-flavus","Lasius flavus","Gelbe Wiesenameise",[307,308],"Gelbe Wegameise","Bernsteingelbe Ameise","Eine scheue, goldgelbe Bodenbewohnerin, die Wurzelläuse hütet und in alten Wiesen grasbewachsene Hügel aufwirft.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Flasius-flavus\u002Flasius-flavus.jpg",[37,56],[84,85],[314,225],20,[56,57],"cold","facultative",[89,319,90,91],"northAfrica",{"slug":321,"scientificName":322,"genus":231,"nickname":242,"aliases":323,"tagline":327,"image":328,"experience":329,"guide":330,"difficulty":54,"workerSize":331,"majorSize":38,"queenSize":332,"temperature":333,"hibernation":51,"hibernationTemperature":335,"hibernationBand":316,"sizeClass":9,"founding":49,"colonyStructure":7,"regions":336},"lasius-emarginatus","Lasius emarginatus",[324,325,326],"ManhattAnt","Zweifarbige Wegameise","Rotrückige Hausameise","Eine kleine, schnell wachsende Lasius mit rötlichem Thorax, die gern Tunnel gräbt.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Flasius-emarginatus\u002Flasius_emarginatus_inside_test_tube_6.jpeg","firstHand","how-to-care-for-lasius-emarginatus",[54,56],[84,85],[224,334],27,[56,57],[89],{"slug":296,"scientificName":72,"genus":231,"nickname":338,"aliases":339,"tagline":343,"image":344,"experience":329,"guide":93,"difficulty":37,"workerSize":345,"majorSize":38,"queenSize":346,"temperature":347,"hibernation":51,"hibernationTemperature":349,"hibernationBand":351,"sizeClass":9,"founding":49,"colonyStructure":7,"regions":352},"Schwarze Wegameise",[340,341,342],"Schwarzgraue Wegameise","Schwarze Gartenameise","Mattschwarze Wegameise","Anpassungsfähig, anspruchslos und in fast jedem Garten zu finden: die klassische erste Kolonie.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Flasius-niger\u002FLasius_niger_colony_in_test_tube_2.jpeg",[54,56],[57,85],[348,225],23,[57,350],12,"cool",[89,91],[354],{"pair":355,"name":72},"lasius-alienus-vs-lasius-niger",[357,364,371],{"id":358,"title":359,"description":360,"image":361,"categoryText":362,"path":363},"blog\u002Fde\u002Fhow-to-care-for-lasius-niger.md","So hältst du Lasius niger","In diesem Ratgeber erfährst du, wie du Lasius niger hältst! Temperatur, Luftfeuchtigkeit, Futter, Überwinterung, Nesttyp … und vieles mehr!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_lasius_niger_care_guide.png","Pflegeanleitungen","\u002Fde\u002Fhow-to-care-for-lasius-niger",{"id":365,"title":366,"description":367,"image":368,"categoryText":369,"path":370},"blog\u002Fde\u002Fhow-to-make-a-test-tube-setup-tutorial.md","So baust du ein Reagenzglas-Setup – Anleitung","In dieser Anleitung lernst du, wie du ein Reagenzglas-Setup baust – die beste Methode, um einer frisch begatteten Ameisenkönigin ideale Bedingungen zu bieten!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_test_tube_setup_tutorial_new.png","Grundlagen","\u002Fde\u002Fhow-to-make-a-test-tube-setup-tutorial",{"id":372,"title":373,"description":374,"image":375,"categoryText":369,"path":376},"blog\u002Fde\u002Fhow-to-hibernate-your-ants.md","So überwinterst du deine Ameisen – Anleitung","In diesem Ratgeber geht es um die Überwinterung: Was ist das? Warum müssen Ameisen überwintern? Soll ich meine Ameisen überwintern? Schauen wir mal!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_hibernation_guide.png","\u002Fde\u002Fhow-to-hibernate-your-ants",1793205513985]