[{"data":1,"prerenderedAt":371},["ShallowReactive",2],{"species-sheet-\u002Fes\u002Fspecies\u002Flasius-alienus":3},{"species":4,"profile":235,"countryNames":273,"lookalikes":293,"similar":300,"comparisons":347,"posts":350},{"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","",[],"Un Lasius pequeño, tímido y de color marrón, propio de pastizales cálidos y secos y de suelos calizos, que se confunde con facilidad con la hormiga negra de jardín.",{"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\u002Fes\u002Fspecies\u002Flasius-alienus.md","Lasius Alienus",{"type":239,"value":240,"toc":241},"minimark",[],{"title":232,"searchDepth":37,"depth":37,"links":242},[],"md",[245,248,251],{"question":246,"answer":247},"¿Cómo distingo Lasius alienus de Lasius niger?","Examina varias obreras bajo una lupa potente. En Lasius alienus los escapos de las antenas y las tibias posteriores no tienen pelos erguidos, o solo unos pocos cerca de la base de la tibia, mientras que Lasius niger tiene muchos pelos erguidos en todas las partes del cuerpo. Además, las obreras de Lasius alienus son un poco más pequeñas, con las tibias más claras, de un marrón amarillento. No te fíes solo de una reina, porque las reinas de Lasius alienus suelen tener algunos pelos en los escapos y en las tibias posteriores.",{"question":249,"answer":250},"¿Es Lasius alienus la «cornfield ant» de Norteamérica?","No. Durante décadas, los Lasius marrones pequeños y con pocos pelos de Norteamérica se llamaron Lasius alienus, la «cornfield ant». Un estudio de 2018 demostró que pertenecen a una especie distinta, hoy Lasius americanus, y un estudio de 2022 añadió que algunos de ellos son Lasius ponderosae. La verdadera Lasius alienus es una hormiga euroasiática de la que no hay registros en Norteamérica, así que las fichas de cuidados estadounidenses con este nombre describen otra hormiga.",{"question":252,"answer":253},"¿Dónde vive Lasius alienus?","En lugares cálidos, secos y abiertos de toda la Europa templada y Asia, desde el norte de España y el sur de Inglaterra hasta el noroeste de China, y en Europa central hasta unos 53 grados de latitud norte. Los sitios típicos son pastizales secos, suelo rocoso desnudo, huertos frutales, linderos soleados de bosque y robledales claros, y en un estudio unas tres cuartas partes de 176 sitios de nidificación de Europa central estaban sobre caliza o creta. No aparece en los núcleos urbanos de Europa central, donde domina Lasius niger, y en suelos arenosos lo habitual es que ocupe su lugar Lasius psammophilus.","Obreras pequeñas de cuerpo marrón medio a oscuro, con las antenas y la parte inferior de las patas más claras, de un marrón amarillento; bajo una lupa potente, los escapos de las antenas y las tibias posteriores no tienen pelos erguidos o tienen solo unos pocos, mientras que Lasius niger y Lasius platythorax tienen muchos. Lasius paralienus, Lasius psammophilus y la invasora Lasius neglectus tampoco tienen estos pelos, y distinguirlas exige medir varias obreras bajo el microscopio.","es",{},true,[259,262,265,267],{"kind":260,"text":261},"watchOut","Comprueba la identificación antes de basar tus planes en ella. Las reinas fundadoras se confunden fácilmente con Lasius niger, y los miembros experimentados de los foros dicen que esta hormiga no se puede identificar a partir de fotos. Espera a tener obreras de tamaño normal y examina varias bajo una lupa potente, porque las diminutas primeras obreras tienen menos pelos. Hasta entonces, llama a la colonia Lasius cf. alienus.",{"kind":263,"text":264},"tip","Los cuidados se parecen mucho a los de Lasius niger: la reina claustral no necesita comida hasta que nacen sus primeras obreras; después ofrece agua azucarada o miel e insectos pequeños, como moscas de la fruta. En un informe de cría alemán, las obreras llevaban presas pequeñas al nido de buena gana, pero pasadas las primeras semanas solo visitaban la miel de vez en cuando.",{"kind":263,"text":266},"Dale un nido cálido y bastante seco, con una esquina húmeda, en lugar de un nido húmedo por completo. En la naturaleza los nidos están en pastizales soleados y secos y en suelo rocoso, y las tiendas sugieren entre 21 y 24 °C aproximadamente en la parte del nido, con un aire más seco en la zona de forrajeo que en el nido.",{"kind":260,"text":268},"Prepárate para una colonia discreta. Las obras faunísticas sobre hormigas la describen como mayormente subterránea y menos llamativa que Lasius niger, y un criador alemán observó que su colonia joven solo estaba activa de noche y era muy tímida. Cubre el nido, revísalo poco y mantén gruesa la barrera antifugas, ya que una obrera diminuta llegó sorprendentemente lejos sobre una zona con una capa fina de talco.","\u002Fes\u002Fspecies\u002Flasius-alienus",{"description":232},"es\u002Fspecies\u002Flasius-alienus","kqxyHbsrdJn4dL9XX2Cts1f_N2G7AmYYg1Xb_qxVGeg",[274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292],"Alemania","Andorra","Austria","Bulgaria","Chequia","China","Eslovaquia","España","Francia","Georgia","Grecia","Irán","Kazajistán","Kirguistán","Reino Unido","Rusia","Suecia","Turquía","Ucrania",[294,296,297,298,299],{"name":72,"slug":295},"lasius-niger",{"name":73,"slug":38},{"name":74,"slug":38},{"name":75,"slug":38},{"name":76,"slug":38},[301,316,331],{"slug":302,"scientificName":303,"genus":231,"nickname":232,"aliases":304,"tagline":305,"image":306,"experience":46,"guide":38,"difficulty":37,"workerSize":307,"majorSize":38,"queenSize":308,"temperature":309,"hibernation":51,"hibernationTemperature":311,"hibernationBand":312,"sizeClass":9,"founding":49,"colonyStructure":313,"regions":314},"lasius-flavus","Lasius flavus",[],"Una habitante tímida del suelo, de color amarillo dorado, que pastorea pulgones de las raíces y levanta montículos cubiertos de hierba en los prados viejos.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Flasius-flavus\u002Flasius-flavus.jpg",[37,56],[84,85],[310,225],20,[56,57],"cold","facultative",[89,315,90,91],"northAfrica",{"slug":317,"scientificName":318,"genus":231,"nickname":232,"aliases":319,"tagline":321,"image":322,"experience":323,"guide":324,"difficulty":54,"workerSize":325,"majorSize":38,"queenSize":326,"temperature":327,"hibernation":51,"hibernationTemperature":329,"hibernationBand":312,"sizeClass":9,"founding":49,"colonyStructure":7,"regions":330},"lasius-emarginatus","Lasius emarginatus",[320],"ManhattAnt","Un Lasius pequeño y de crecimiento rápido, con el tórax rojizo y mucha afición a cavar túneles.","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],[224,328],27,[56,57],[89],{"slug":295,"scientificName":72,"genus":231,"nickname":332,"aliases":333,"tagline":337,"image":338,"experience":323,"guide":93,"difficulty":37,"workerSize":339,"majorSize":38,"queenSize":340,"temperature":341,"hibernation":51,"hibernationTemperature":343,"hibernationBand":345,"sizeClass":9,"founding":49,"colonyStructure":7,"regions":346},"Hormiga negra de jardín",[334,335,336],"Hormiga negra","Hormiga negra común de jardín","Hormiga de jardín","Adaptable, poco exigente y presente en casi todos los jardines: la clásica primera colonia.","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fspecies\u002Flasius-niger\u002FLasius_niger_colony_in_test_tube_2.jpeg",[54,56],[57,85],[342,225],23,[57,344],12,"cool",[89,91],[348],{"pair":349,"name":72},"lasius-alienus-vs-lasius-niger",[351,358,365],{"id":352,"title":353,"description":354,"image":355,"categoryText":356,"path":357},"blog\u002Fes\u002Fhow-to-care-for-lasius-niger.md","Cómo cuidar a Lasius niger","En esta guía aprenderás cómo cuidar a Lasius niger: temperatura, humedad, alimentación, hibernación, tipo de nido... ¡y mucho más!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_lasius_niger_care_guide.png","Guías de Cuidado","\u002Fes\u002Fhow-to-care-for-lasius-niger",{"id":359,"title":360,"description":361,"image":362,"categoryText":363,"path":364},"blog\u002Fes\u002Fhow-to-make-a-test-tube-setup-tutorial.md","Cómo hacer un montaje en tubo de ensayo - Cría de hormigas","En este tutorial aprenderás a hacer un montaje en tubo de ensayo, ¡la mejor forma de crear el entorno ideal para una reina recién fecundada!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_test_tube_setup_tutorial_new.png","Conceptos Básicos","\u002Fes\u002Fhow-to-make-a-test-tube-setup-tutorial",{"id":366,"title":367,"description":368,"image":369,"categoryText":363,"path":370},"blog\u002Fes\u002Fhow-to-hibernate-your-ants.md","Cómo hibernar a tus hormigas - Tutorial de hibernación","En esta guía vamos a hablar de la hibernación: ¿qué es? ¿Por qué necesitan hibernar las hormigas? ¿Debería hibernar a mis hormigas? ¡Vamos a verlo!","https:\u002F\u002Fcdn.brumaants.com\u002Fimages\u002Fbruma_ants_thumbnail_hibernation_guide.png","\u002Fes\u002Fhow-to-hibernate-your-ants",1793205507454]