{"id":8,"date":"2026-05-01T14:39:09","date_gmt":"2026-05-01T14:39:09","guid":{"rendered":"https:\/\/entoweb.dk\/?p=8"},"modified":"2026-05-01T15:00:31","modified_gmt":"2026-05-01T15:00:31","slug":"edderkopper-arter-i-danmark","status":"publish","type":"post","link":"https:\/\/entoweb.dk\/?p=8","title":{"rendered":"Edderkopper arter i danmark"},"content":{"rendered":"\n<p>I 2006 udgav araenologerne Nikolaj Scharff og Ole Gudik-S\u00f8rensen en komplet katalog over danske edderkopper, der d\u00e6kkede indsamlinger fra 1871 til 2005. Resultatet: 523 verificerede arter, hvoraf 83 viste sig at v\u00e6re nye for den danske fauna.&nbsp; De er alle fordelt p\u00e5 30 familier, som hver is\u00e6r adskiller sig i adf\u00e6rd, udseende og jagtmetode.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"1024\" data-id=\"10\" src=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-680x1024.jpg\" alt=\"\" class=\"wp-image-10\" srcset=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-680x1024.jpg 680w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-199x300.jpg 199w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-768x1157.jpg 768w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-1020x1536.jpg 1020w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen.jpg 1049w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><figcaption class=\"wp-element-caption\">Kilde: Katalog over Danmarks<br>edderkopper (Araneae)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"674\" height=\"1024\" data-id=\"9\" src=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-1-674x1024.jpg\" alt=\"\" class=\"wp-image-9\" srcset=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-1-674x1024.jpg 674w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-1-197x300.jpg 197w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-1-768x1167.jpg 768w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-1-1010x1536.jpg 1010w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Nikolaj-Scharff-og-Ole-Gudik-Sorensen-1.jpg 1042w\" sizes=\"auto, (max-width: 674px) 100vw, 674px\" \/><figcaption class=\"wp-element-caption\">Kilde: Katalog over Danmarks<br>edderkopper (Araneae)<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>Den faunistiske liste bliver stadig l\u00e6ngere. Det er ikke tilf\u00e6ldigt: En del af arterne var simpelthen for sm\u00e5 til, at man lagde m\u00e6rke til dem tidligere. Ingen danske edderkopper er farlige for mennesker.&nbsp; Panik ved synet af en edderkop i et dansk hjem er ubegrundet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Krydsedderkoppen og havearter<\/h2>\n\n\n\n<p>Den almindelige krydsedderkopp (Araneus diadematus) er let at genkende p\u00e5 de to lyse striber p\u00e5 ryggen, der danner et korsformet m\u00f8nster. Hunnen bliver 10\u201313 mm lang, hannen 4\u20138 mm.<\/p>\n\n\n\n<p><strong>Korsedderkoppen spinder et cirkul\u00e6rt fangstnet og findes overalt:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>i haver, p\u00e5 enge og i skovbryn<\/li>\n\n\n\n<li>p\u00e5 vinduesrammer, hegn og husv\u00e6gge<\/li>\n\n\n\n<li>p\u00e5 krat og \u00f8demarker<\/li>\n<\/ul>\n\n\n\n<p>Den er hovedsageligt aktiv i sensommeren og efter\u00e5ret.&nbsp; Det er netop da, at dens spind er mest synlig tidligt om morgenen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"528\" src=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Krydsedderkoppen.jpg\" alt=\"Krydsedderkoppen\n\" class=\"wp-image-11\" srcset=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Krydsedderkoppen.jpg 964w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Krydsedderkoppen-300x164.jpg 300w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Krydsedderkoppen-768x421.jpg 768w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><figcaption class=\"wp-element-caption\">Krydsedderkoppen<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Husedderkoppen<\/h2>\n\n\n\n<p>Husedderkoppen (Tegenaria) er en af de mest udbredte arter i danske boliger. Den er stor, brunlig og har lange ben og kan blive op til 2 cm lang. Den findes i k\u00e6ldre, p\u00e5 loftsrum og i garager.&nbsp;<\/p>\n\n\n\n<p>Den lille husedderkop (Tegenaria domestica) er 9\u201310 mm stor, lever inde i huse, spinder et tragtformet spind i skjulte hj\u00f8rner og er nataktiv. Den sidder i bunden af tragten og venter p\u00e5, at byttet r\u00f8rer ved signaltr\u00e5dene.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"432\" src=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Husedderkoppen.jpg\" alt=\"Husedderkoppen\" class=\"wp-image-12\" srcset=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Husedderkoppen.jpg 640w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Husedderkoppen-300x203.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption class=\"wp-element-caption\">Husedderkoppen<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Vandedderkoppen \u2013 enest\u00e5ende i sin art<\/h2>\n\n\n\n<p>Vandedderkoppen (Argyroneta aquatica) er den eneste edderkop i verden, der lever permanent under vand. Hunnen bliver 8\u201315 mm lang, hannen op til 20 mm. Hos denne art er hannen st\u00f8rre end hunnen \u2013 hvilket er us\u00e6dvanligt for edderkopper.<\/p>\n\n\n\n<p>Edderkoppen bygger en luftkuppel af silke mellem vandplanterne under vandet. Om dagen holder den sig i den, om natten jager den p\u00e5 bunden. Den lever af vandlus og insektlarver. Den overvintrer i en tom sneglehus, der er fyldt med luft.&nbsp;<\/p>\n\n\n\n<p>Vandspindelens bid er smertefuld, men ikke farlig \u2013 fornemmelsen kan sammenlignes med et hvepsestik.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Vandedderkoppen.jpg\" alt=\"Vandedderkoppen\n\" class=\"wp-image-13\" srcset=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Vandedderkoppen.jpg 800w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Vandedderkoppen-300x200.jpg 300w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/04\/Vandedderkoppen-768x512.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Vandedderkoppen<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Den store jagtedderkop ved vandet<\/h2>\n\n\n\n<p>Den store jagtedderkop (Dolomedes fimbriatus) er Danmarks st\u00f8rste og mest kraftfulde edderkop; hunnerne bliver 13\u201320 mm lange.&nbsp; Kroppen er m\u00f8rk chokoladebrun med to gulhvide striber p\u00e5 siderne. Den lever ved moser, damme og sm\u00e5 s\u00f8er. Den fornemmer byttet ved hj\u00e6lp af vibrationer p\u00e5 vandoverfladen.&nbsp;<\/p>\n\n\n\n<p><strong>F\u00f8deudvalget omfatter:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Vandl\u00f8bere og andre insekter fra vandoverfladen<\/li>\n\n\n\n<li>Fiskelarver, yngel og haletudser<\/li>\n\n\n\n<li>Landdyr, der er faldet i vandet<\/li>\n<\/ol>\n\n\n\n<p>Ved fare dykker edderkoppen ned under vandet og gemmer sig, mens den holder fast i en plante p\u00e5 bunden.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/05\/Den-store-jagtedderkop-1024x683.jpg\" alt=\"Den store jagtedderkop\" class=\"wp-image-14\" srcset=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/05\/Den-store-jagtedderkop-1024x683.jpg 1024w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/05\/Den-store-jagtedderkop-300x200.jpg 300w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/05\/Den-store-jagtedderkop-768x512.jpg 768w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/05\/Den-store-jagtedderkop-1536x1024.jpg 1536w, https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/05\/Den-store-jagtedderkop.jpg 1620w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Hoppende edderkopper<\/h2>\n\n\n\n<p>Familien af springedderkopper (Salticidae) t\u00e6ller over 5000 arter p\u00e5 verdensplan. Den danske liste omfatter 32 arter. De to forreste af de otte \u00f8jne er betydeligt st\u00f8rre end de \u00f8vrige og giver et skarpt binokul\u00e6rt syn. Yderligere to \u00f8jne er rettet bagud.&nbsp; Faktisk kan edderkoppen se, hvad der foreg\u00e5r i n\u00e6sten 360 grader.<\/p>\n\n\n\n<p>De jager uden spind: de sniger sig ind p\u00e5 byttet som en kat og springer \u2013 nogle arter kan springe op til 20\u201325 gange deres egen kropsl\u00e6ngde. Den stribede springedderkop (Salticus scenicus) ses oftere end andre \u2013 p\u00e5 solbeskinnede v\u00e6gge, hegn og tr\u00e6stolper.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Jumping Spiders in SLOW MOTION!\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/FfOrLNXIN-8?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>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Sj\u00e6ldne arter<\/h2>\n\n\n\n<p>To arter fortjener s\u00e6rlig opm\u00e6rksomhed.<\/p>\n\n\n\n<p>Den kameleonlignende edderkoppekrabbe (Misumena vatia) skifter farve mellem gul og hvid afh\u00e6ngigt af den blomst, den sidder p\u00e5. Den jager uden at spinde spind \u2013 den venter blot p\u00e5 byttet p\u00e5 kronbladene.<\/p>\n\n\n\n<p>Ildspringer (Talavera parvistyla) bliver mindre end 3 mm lang. Den blev f\u00f8rste gang fundet i Danmark i 2024 i Teglstrup-H\u00f8j (Kongernes N\u00f8rresk\u00f8lland Nationalpark). Inden da var den slet ikke registreret i landet \u2013 sandsynligvis p\u00e5 grund af sin meget lille st\u00f8rrelse.<\/p>\n\n\n\n<p>Edderkoppebillen (Eresus sandaliatus) lever i de jyske skovene: hannen er knaldr\u00f8d med sorte pletter, mens hunnen er helt sort og m\u00e5ler op til 16 mm.&nbsp; Ege-l\u00f8beredderkoppen (Callilepis nocturna) er opf\u00f8rt p\u00e5 Danmarks r\u00f8dliste. Dens udbredelsesomr\u00e5de er begr\u00e6nset til gamle, lyse egeskove, som bliver f\u00e6rre og f\u00e6rre i landet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Edderkoppesilke<\/h2>\n\n\n\n<p>Edderkoppespind er st\u00e6rkere end kevlar og st\u00e5l, n\u00e5r man ser p\u00e5 forholdet mellem styrke og v\u00e6gt. Det t\u00f8rrer ikke ud, mugner ikke og holder sig l\u00e6ngere end selve edderkoppen, n\u00e5r det opbevares under beskyttede forhold. Edderkopper spiser ofte deres gamle spind for at genoptage proteinerne i kroppen.<\/p>\n\n\n\n<p><strong>En edderkop kan have op til seks forskellige typer silkekirtler:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Steltr\u00e5de \u2013 st\u00e6rke, n\u00e6sten ikke-str\u00e6kbare<\/li>\n\n\n\n<li>Fangetr\u00e5de \u2013 elastiske og kl\u00e6bende<\/li>\n\n\n\n<li>Silke til \u00e6gkokonen \u2013 bl\u00f8dt, vatragtigt<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Livscyklus og s\u00e6sonudsving<\/h2>\n\n\n\n<p>De danske edderkoppes aktivitet kan inddeles i to perioder: for\u00e5ret og forsommeren \u2013 hvor de sm\u00e5 arter er aktive \u2013 og sensommeren, hvor de voksne, store individer tr\u00e6der frem.<\/p>\n\n\n\n<p>De fleste arter lever i 1\u20132 \u00e5r. Hunnen l\u00e6gger \u00e6g i en silkeagtig kokon \u2013 et kuld indeholder flere hundrede \u00e6g. De unge edderkopper ligner de voksne, men er mindre og gennemg\u00e5r flere forvandlinger, f\u00f8r de er fuldt udviklede. Om efter\u00e5ret s\u00f8ger hannerne efter hunner og ender ofte i huse \u2013 det er netop da, danskerne oftest ser dem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Edderkoppens rolle i det danske \u00f8kosystem<\/h2>\n\n\n\n<p>Edderkopper f\u00e5r sj\u00e6ldent den anerkendelse, de fortjener. De udg\u00f8r en af de vigtigste grupper af rovdyr i land\u00f8kosystemerne. I popul\u00e6rkulturen er edderkopper i lang tid blevet fremstillet som farlige og skr\u00e6mmende, og netop dette har gjort dem til en af de mest oversete dyregrupper inden for biologisk forskning.<\/p>\n\n\n\n<p>Samtidig yder de et enormt bidrag til bek\u00e6mpelsen af insektpopulationer. Danske edderkopper udrydder enorme m\u00e6ngder myg, bladlus, fluer og andre skadedyr \u2013 helt uden menneskelig indgriben. At fjerne edderkopperne fra haven vil medf\u00f8re en ukontrolleret v\u00e6kst i antallet af skadedyr.<\/p>\n\n\n\n<p><strong>Visse arter fungerer som indikatorer for milj\u00f8ets tilstand:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vandedderkoppen (Argyroneta aquatica) \u2013 en indikator for vandl\u00f8bets renhed<\/li>\n\n\n\n<li>Stor jagtedderkop (Dolomedes fimbriatus) \u2013 findes kun der, hvor uber\u00f8rte v\u00e5domr\u00e5der er bevaret<\/li>\n\n\n\n<li>Ege-l\u00f8bedderkop (Callilepis nocturna) \u2013 indikerer tilstedev\u00e6relsen af gamle egeskove<\/li>\n<\/ul>\n\n\n\n<p>Biologen Frederik Lek Fischer er i gang med en systematisk kortl\u00e6gning af edderkopperne i Kongernes N\u00f8rskjelland Nationalpark. De nye fund fra 2023\u20132024 har fordoblet de eksisterende data om udbredelsesomr\u00e5derne for en r\u00e6kke sj\u00e6ldne arter.&nbsp; Det tyder p\u00e5 \u00e9n ting: Danmarks edderkoppefauna er langt fra fuldt ud kortlagt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I 2006 udgav araenologerne Nikolaj Scharff og Ole Gudik-S\u00f8rensen en komplet katalog over danske edderkopper, der d\u00e6kkede indsamlinger fra 1871 til 2005. Resultatet: 523 verificerede arter, hvoraf 83 viste sig at v\u00e6re nye for den danske fauna.&nbsp; De er alle fordelt p\u00e5 30 familier, som hver is\u00e6r adskiller sig i adf\u00e6rd, udseende og jagtmetode.&nbsp; Den [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":25,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Arterigdom blandt edderkopper i Danmark: arter, levesteder og fakta<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/entoweb.dk\/?p=8\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Arterigdom blandt edderkopper i Danmark: arter, levesteder og fakta\" \/>\n<meta property=\"og:description\" content=\"I 2006 udgav araenologerne Nikolaj Scharff og Ole Gudik-S\u00f8rensen en komplet katalog over danske edderkopper, der d\u00e6kkede indsamlinger fra 1871 til 2005. Resultatet: 523 verificerede arter, hvoraf 83 viste sig at v\u00e6re nye for den danske fauna.&nbsp; De er alle fordelt p\u00e5 30 familier, som hver is\u00e6r adskiller sig i adf\u00e6rd, udseende og jagtmetode.&nbsp; Den [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/entoweb.dk\/?p=8\" \/>\n<meta property=\"og:site_name\" content=\"Exquisite Goods\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-01T14:39:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-01T15:00:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/entoweb.dk\/wp-content\/uploads\/2026\/05\/Edderkopper-1024x683.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" 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