{"id":11909,"date":"2025-07-29T07:18:10","date_gmt":"2025-07-29T05:18:10","guid":{"rendered":"https:\/\/antcube.shop\/?p=11909"},"modified":"2025-10-08T18:16:21","modified_gmt":"2025-10-08T16:16:21","slug":"jetmyren-lasius-fuliginosus-en-mesterbygger-og-et-okologisk-kraftvaerk","status":"publish","type":"post","link":"https:\/\/antcube.shop\/da\/2025\/07\/29\/jetmyren-lasius-fuliginosus-en-mesterbygger-og-et-okologisk-kraftvaerk\/","title":{"rendered":"Jetmyren (Lasius fuliginosus): En mesterbygger og et \u00f8kologisk kraftv\u00e6rk"},"content":{"rendered":"<div id=\"page-header-1668610075\" class=\"page-header-wrapper\">\n  <div class=\"page-title dark featured-title\">\n\n        <div class=\"page-title-bg\">\n      <div class=\"title-bg fill bg-fill\"\n        data-parallax-container=\".page-title\"\n        data-parallax-background\n data-parallax=\"-\">\n      <\/div>\n      <div class=\"title-overlay fill\"><\/div>\n    <\/div>\n    \n    <div class=\"page-title-inner container align-center text-center flex-row-col medium-flex-wrap\" >\n              <div class=\"title-wrapper flex-col\">\n          <h1 class=\"entry-title mb-0\">\n            Jetmyren (Lasius fuliginosus): En mesterbygger og et \u00f8kologisk kraftv\u00e6rk          <\/h1>\n        <\/div>\n                    <div class=\"title-content flex-col\">\n        <div class=\"title-breadcrumbs pb-half pt-half\"><nav class=\"woocommerce-breadcrumb breadcrumbs uppercase\" aria-label=\"Br\u00f8dkrumme\">Forside<\/nav><\/div>      <\/div>\n    <\/div>\n\n     \n<style>\n#page-header-1668610075 .featured-title {\n  background-color: rgb(94, 125, 52);\n}\n<\/style>\n  <\/div>\n    <\/div>\n  \n\n\t<div id=\"gap-253301675\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-253301675 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"video video-fit mb\" style=\"padding-top:56.25%;\"><iframe loading=\"lazy\" title=\"Alt hvad du beh\u00f8ver at vide om Lasius fuliginosus - jetmyren\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/H1KaBpcSB-0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" style=\"color:rgb(104, 161, 39);\">Morfologi og identifikation<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n\n<p>Lasius fuliginosus, almindeligvis kendt som jetmyren, er let at genkende p\u00e5 sit i\u00f8jnefaldende skinnende, kulsorte exoskelet. Arbejderne har et karakteristisk hjerteformet hoved med afrundede flige, suppleret med et fremtr\u00e6dende hak bagtil - et vigtigt tr\u00e6k, der adskiller dem fra andre medlemmer af <i>Lasius<\/i> sl\u00e6gt. Deres kroppe har sparsom beh\u00e5ring sammen med spredte, oprette h\u00e5r p\u00e5 rygsiden. I mods\u00e6tning hertil har deres ben og antenner en brungul nuance, og deres bev\u00e6gelser er pr\u00e6cise og hurtige.<\/p>\n<p><span class=\"cf0\">Hvis du gerne vil st\u00f8tte os, kan du bestille en plakat; <\/span><span class=\"cf0\">F\u00f8lg med<\/span><span class=\"cf0\"> linket til disse seje<\/span><a class=\"cf0\" href=\"https:\/\/antcube.shop\/en\/product-category\/ant-posters-and-teaching-aids\/\"><span class=\"cf0\">\u00a0myreplakater<\/span><\/a><span class=\"cf0\"> og f\u00e5 10% i rabat med kampagnekoden <strong>myreblog10<\/strong>.<\/span><\/p>\n<p>Arbejderne m\u00e5ler ca. 4 til 6 mm i l\u00e6ngden, mens dronningerne er lidt st\u00f8rre med 6 til 6,5 mm, mens hannerne er noget mindre med en l\u00e6ngde p\u00e5 4,5 til 5 mm. Det er bem\u00e6rkelsesv\u00e6rdigt, <i>Lasius fuliginosus<\/i> er en monomorf art, hvilket betyder, at arbejdernes st\u00f8rrelse er ensartet, uden at der findes st\u00f8rre soldatkaster. Den er blandt de st\u00f8rste arter inden for sl\u00e6gten <i>Lasius<\/i>.<\/p>\n<p>Et sp\u00e6ndende identifikationstip: Gaster (bagkroppen) p\u00e5 en fuldfed myre kan virke opsvulmet, hvilket forskyder de segmenterede plader og afsl\u00f8rer bindev\u00e6v - hvilket nogle gange f\u00f8rer til fejlidentifikation som en anden art.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1136664522\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"547\" src=\"https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?fit=1020%2C547&amp;ssl=1\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?w=2555&amp;ssl=1 2555w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?resize=745%2C400&amp;ssl=1 745w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?resize=1118%2C600&amp;ssl=1 1118w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?resize=768%2C412&amp;ssl=1 768w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?resize=1536%2C824&amp;ssl=1 1536w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?resize=2048%2C1099&amp;ssl=1 2048w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?resize=18%2C10&amp;ssl=1 18w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?resize=247%2C133&amp;ssl=1 247w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071253.png?resize=510%2C274&amp;ssl=1 510w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1136664522 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" style=\"color:rgb(104, 161, 39);\">Adf\u00e6rds\u00f8kologi<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n\n<div class=\"container section-title-container\" ><h3 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" style=\"color:rgb(191, 102, 16);\">Kemisk kommunikation og forsvar<\/span><b aria-hidden=\"true\"><\/b><\/h3><\/div>\n\n<p>Jetmyren har et sofistikeret kemisk forsvar. N\u00e5r de bliver truet, frigiver arbejderne dendrolasin - en terpen, der udskilles fra deres k\u00e6bekirtler. Mens duften er mild for mennesker, fungerer den som en kraftig duftalarm for andre myrer, der signalerer fare og endda frast\u00f8der rivaliserende arter p\u00e5 grund af dens giftige egenskaber.<\/p>\n<div class=\"container section-title-container\" ><h3 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" style=\"color:rgb(191, 102, 16);\">Konkurrencedygtige interaktioner og \u00f8kologisk p\u00e5virkning<\/span><b aria-hidden=\"true\"><\/b><\/h3><\/div>\n\n<p><i>Lasius fuliginosus<\/i> udviser aggressiv konkurrenceadf\u00e6rd. De forstyrrer aktivt nabomyrekolonier ved at plyndre reder, stj\u00e6le madressourcer og bortf\u00f8re yngel. Disse strategier \u00f8ger deres \u00f8kologiske dominans og har vist sig at undertrykke artsrigdommen i deres n\u00e6rhed.<\/p>\n<p>Mens forskellige myrearter som f.eks. <i>Lasius niger<\/i>, <i>Myrmica rubra<\/i>, <i>Camponotus<\/i>og <i>Tetramorium<\/i> eksisterer ofte i n\u00e6rheden af <i>Formica rufa<\/i> kolonier, tilstedev\u00e6relsen af en <i>Lasius fuliginosus<\/i> rede korrelerer med en markant reduktion i den lokale myrediversitet - hvilket fremh\u00e6ver deres rolle som \u00f8kosystemingeni\u00f8rer, om end p\u00e5 bekostning af en vis biodiversitet.<\/p>\n<p>Interessant nok er billen <i>Amphotis marginata<\/i>myrernes \"landevejsr\u00f8ver\", har udviklet sig til at udnytte <i>Lasius fuliginosus<\/i>. Den efterligner trophallaxis-adf\u00e6rd for at f\u00e5 mad fra tilbagevendende myrer og undg\u00e5r aggressive reaktioner ved at l\u00e6gge sig fladt ned mod jorden, n\u00e5r den bliver angrebet.<\/p>\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" style=\"color:rgb(104, 161, 39);\">Fouragering og kost<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n\n<p><i>Lasius fuliginosus<\/i> Den fouragerer b\u00e5de om dagen og om natten og foretr\u00e6kker varme forhold. Deres prim\u00e6re f\u00f8dekilde er honningdug, der produceres af bladluskolonier, som de plejer p\u00e5 tr\u00e6er og buske. I dette gensidige forhold vogter myrerne bladlusene og fjerner syge individer for at beskytte koloniens ressourcer. De vender gentagne gange tilbage til de samme bladluskolonier og forsvarer dem voldsomt mod konkurrenter.<\/p>\n<p>Selv om deres underk\u00e6ber er relativt svage, gennemroder jetmyrer d\u00f8de eller immobiliserede insekter som kokoner, myg og biller og supplerer deres kost med proteinrige byttedyr.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2134080493\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"532\" src=\"https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?fit=1020%2C532&amp;ssl=1\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?w=2546&amp;ssl=1 2546w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?resize=767%2C400&amp;ssl=1 767w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?resize=1151%2C600&amp;ssl=1 1151w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?resize=768%2C400&amp;ssl=1 768w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?resize=1536%2C801&amp;ssl=1 1536w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?resize=2048%2C1067&amp;ssl=1 2048w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?resize=18%2C9&amp;ssl=1 18w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?resize=247%2C129&amp;ssl=1 247w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071142.png?resize=510%2C266&amp;ssl=1 510w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_2134080493 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" style=\"color:rgb(104, 161, 39);\">Indlejringsarkitektur og kolonistruktur<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n\n<p>Jetmyrer er kendt for deres bem\u00e6rkelsesv\u00e6rdige redebyggeri inde i hule tr\u00e6er. De bygger \"pap\"-reder med papiragtige v\u00e6gge, som minder om termiters arkitektur. I mods\u00e6tning til, hvad man tidligere har troet, bruges der ikke k\u00e6bekirtelsekret til redebygning; i stedet bruger myrerne en limlignende blanding af honningdug, saft og nektar til at binde materialer sammen.<\/p>\n<p>Redens v\u00e6gge best\u00e5r af tr\u00e6partikler og jord kombineret med denne sukkerholdige m\u00f8rtel, hvilket giver et ideelt substrat for symbiotiske svampe. Svampen styrker redens struktur, som kan huse op til 15.000 arbejdere.<\/p>\n<p>Redebygning er en meget organiseret opgave: Tre specialiserede arbejdergrupper - bygherrer, materialeb\u00e6rere og honningdugsamlere - samarbejder om at vedligeholde koloniens hjem. Rederne, som typisk er skjult i tr\u00e6er, afsl\u00f8rer sig selv gennem indgange enten over jorden i hulrum i tr\u00e6er eller i n\u00e6rheden af underjordiske kamre. Omkringliggende affald, som ligner bunker af savsmuld, der nogle gange er fanget i edderkoppespind, giver ledetr\u00e5de til deres tilstedev\u00e6relse.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_784639154\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 54px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"973\" height=\"600\" src=\"https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?fit=973%2C600&amp;ssl=1\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?w=2066&amp;ssl=1 2066w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?resize=649%2C400&amp;ssl=1 649w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?resize=973%2C600&amp;ssl=1 973w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?resize=768%2C474&amp;ssl=1 768w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?resize=1536%2C947&amp;ssl=1 1536w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?resize=2048%2C1263&amp;ssl=1 2048w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?resize=18%2C12&amp;ssl=1 18w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?resize=247%2C152&amp;ssl=1 247w, https:\/\/i0.wp.com\/antcube.shop\/wp-content\/uploads\/2025\/07\/Screenshot-2025-07-29-071210.png?resize=510%2C314&amp;ssl=1 510w\" sizes=\"auto, (max-width: 973px) 100vw, 973px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_784639154 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p>Kolonier er ogs\u00e5 ofte polykaliske og best\u00e5r af flere sammenkoblede reder med flere dronninger. Om vinteren tr\u00e6kker myrerne sig dybere ned under jorden og skaber isolerede kamre for at overvintre sikkert sammen med deres yngel.<\/p>\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" style=\"color:rgb(104, 161, 39);\">Reproduktionsstrategi: Social parasitisme<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n\n<p><i>Lasius fuliginosus<\/i> Dronninger udviser en unik reproduktionsstrategi. I stedet for at grundl\u00e6gge reder uafh\u00e6ngigt, invaderer de eksisterende reder hos andre <i>Lasius<\/i> arter-prim\u00e6rt <i>Lasius umbratus<\/i>selv en social parasit p\u00e5 <i>Lasius niger<\/i>. Den invaderende dronning eliminerer den fastboende dronning og manipulerer arbejderne til at opfostre hendes afkom. Med tiden bliver den oprindelige koloni helt erstattet af jetmyrer, en form for hyperparasitisme, der afspejler komplekse evolution\u00e6re interaktioner.<\/p>\n<div class=\"container section-title-container\" ><h2 class=\"section-title section-title-normal\"><b aria-hidden=\"true\"><\/b><span class=\"section-title-main\" style=\"color:rgb(104, 161, 39);\">S\u00e5...<\/span><b aria-hidden=\"true\"><\/b><\/h2><\/div>\n\n<p>Jetmyren (<i>Lasius fuliginosus<\/i>) er et eksempel p\u00e5 myrernes bem\u00e6rkelsesv\u00e6rdige mangfoldighed og tilpasningsevne. Som bygherrer, indtr\u00e6ngere, bladlusavlere og kemiske krigere omformer de deres milj\u00f8 og udkonkurrerer rivaler med imponerende alsidighed. Deres evne til at manipulere \u00f8kosystemer, lave indviklede reder og deltage i sofistikeret social parasitisme understreger deres \u00f8kologiske betydning.<\/p>\n<p>Denne art udfordrer ikke kun traditionelle forestillinger om myrers adf\u00e6rd, men indbyder ogs\u00e5 til yderligere unders\u00f8gelser af kompleksiteten i sociale insektinteraktioner og \u00f8kosystemdynamik.<\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":24784,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[442],"tags":[595,586,588,598,587,459,596,469,466,591,465,592,599,597,468,460,590,584,585,589,594,593,582,583],"class_list":["post-11909","post","type-post","status-publish","format-standard","hentry","category-ant-species","tag-amazing-ant-facts","tag-ant-architecture","tag-ant-colonies","tag-ant-nest-construction","tag-ant-nests","tag-ant-species","tag-ants-in-forest-ecosystems","tag-biodiversity","tag-ecology","tag-ecosystem-engineers","tag-entomology","tag-environmental-science","tag-forest-floor-life","tag-incredible-insects","tag-insect-behavior","tag-insect-ecology","tag-insect-engineering","tag-jet-ant","tag-lasius-fuliginosus","tag-master-builder-ant","tag-myrmecology","tag-natural-history","tag-nature","tag-wildlife"],"acf":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/posts\/11909","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/users\/24784"}],"replies":[{"embeddable":true,"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/comments?post=11909"}],"version-history":[{"count":6,"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/posts\/11909\/revisions"}],"predecessor-version":[{"id":12571,"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/posts\/11909\/revisions\/12571"}],"wp:attachment":[{"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/media?parent=11909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/categories?post=11909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antcube.shop\/da\/wp-json\/wp\/v2\/tags?post=11909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}