{"id":3985,"date":"2026-09-25T11:23:21","date_gmt":"2026-09-25T09:23:21","guid":{"rendered":"https:\/\/ornit.dk\/vejlerblog\/?p=3985"},"modified":"2026-09-28T16:37:02","modified_gmt":"2026-09-28T14:37:02","slug":"det-summer-og-svirrer","status":"publish","type":"post","link":"https:\/\/ornit.dk\/vejlerblog\/det-summer-og-svirrer\/","title":{"rendered":"Det summer og svirrer"},"content":{"rendered":"<div style=\"width: 840px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-3985-1\" width=\"840\" height=\"473\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219652.mp4?_=1\" \/><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219652.mp4\">https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219652.mp4<\/a><\/video><\/div>\n<p>For mange \u00e5r siden havde jeg p\u00e5 denne dato et blogindl\u00e6g med titlen <a href=\"https:\/\/ornit.dk\/vejlerblog\/liv-i-lianen\/\">&#8216;Liv i lianen&#8217;<\/a>; det var p\u00e5 den hedengangne hjemmeside for Vejlernes Grav\u00f8lsselskab, men jeg fik den overf\u00f8rt til min nuv\u00e6rende blog.<\/p>\n<p>Det handlede om vores stynede asketr\u00e6 i haven ud mod vejen, som er helt overgroet af lianen efeu (vedbend), der blomstrer nu sidst i september &#8211; og som mange insekter er helt vilde med.<\/p>\n<p>I den mellemliggende periode er vedbenden blevet stadig mere omfangsrig&#8230;<\/p>\n<figure id=\"attachment_3987\" aria-describedby=\"caption-attachment-3987\" style=\"width: 423px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/IMG20260921152920.web_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3987\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/IMG20260921152920.web_-423x500.jpg\" alt=\"\" width=\"423\" height=\"500\" srcset=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/IMG20260921152920.web_-423x500.jpg 423w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/IMG20260921152920.web_-865x1024.jpg 865w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/IMG20260921152920.web_-127x150.jpg 127w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/IMG20260921152920.web_-1298x1536.jpg 1298w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/IMG20260921152920.web_-1200x1420.jpg 1200w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/IMG20260921152920.web_.jpg 1521w\" sizes=\"(max-width: 423px) 85vw, 423px\" \/><\/a><figcaption id=\"caption-attachment-3987\" class=\"wp-caption-text\">Asketr\u00e6 med efeu og kaprifolie, T\u00f8mmerby, september 2026. Foto: J\u00f8rgen Peter Kjeldsen\/<a href=\"http:\/\/ornit.dk\/\">ornit.dk<\/a>.<\/figcaption><\/figure>\n<p>I disse dage ser vi igen f\u00e6nomenet med, at vedbendens blomster har en enorm tiltr\u00e6kningskraft p\u00e5 insekterne, og det summer og svirrer med tusindvis af is\u00e6r svirrefluer omkring tr\u00e6et. Der er ogs\u00e5 enkelte hvepse, humlebier og sommerfugle (Admiraler), men svirrefluerne er totalt dominerende. Jeg er ikke den store \u00f8rn med hensyn til svirreflue-bestemmelse, men for mig at se er langt den mest talrige art Gulfodet Dyndflue, med Have- \/Marksvirrefluer p\u00e5 andenpladsen og enkelte Dronefluer, Sumpsvirrefluer og T\u00f8rve-silkesvirrefluer. Under alle omst\u00e6ndigheder er det et imponerende f\u00e6nomen!<\/p>\n<figure id=\"attachment_3991\" aria-describedby=\"caption-attachment-3991\" style=\"width: 500px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219568.web_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3991\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219568.web_-500x500.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219568.web_-500x500.jpg 500w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219568.web_-1024x1024.jpg 1024w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219568.web_-150x150.jpg 150w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219568.web_-1536x1536.jpg 1536w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219568.web_-1200x1200.jpg 1200w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219568.web_.jpg 1800w\" sizes=\"(max-width: 500px) 85vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-3991\" class=\"wp-caption-text\">Gulfodet Dyndflue, T\u00f8mmerby, september 2026. Foto: J\u00f8rgen Peter Kjeldsen\/<a href=\"http:\/\/ornit.dk\/\">ornit.dk<\/a>.<\/figcaption><\/figure>\n<figure id=\"attachment_3992\" aria-describedby=\"caption-attachment-3992\" style=\"width: 500px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219557.web_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3992\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219557.web_-500x500.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219557.web_-500x500.jpg 500w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219557.web_-1024x1024.jpg 1024w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219557.web_-150x150.jpg 150w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219557.web_-1536x1536.jpg 1536w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219557.web_-1200x1200.jpg 1200w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219557.web_.jpg 1800w\" sizes=\"(max-width: 500px) 85vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-3992\" class=\"wp-caption-text\">Havesvirreflue (?), T\u00f8mmerby, september 2026. Foto: J\u00f8rgen Peter Kjeldsen\/<a href=\"http:\/\/ornit.dk\/\">ornit.dk<\/a>.<\/figcaption><\/figure>\n<figure id=\"attachment_3993\" aria-describedby=\"caption-attachment-3993\" style=\"width: 500px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219596.web_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3993\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219596.web_-500x500.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219596.web_-500x500.jpg 500w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219596.web_-1024x1024.jpg 1024w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219596.web_-150x150.jpg 150w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219596.web_-1536x1536.jpg 1536w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219596.web_-1200x1200.jpg 1200w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219596.web_.jpg 1800w\" sizes=\"(max-width: 500px) 85vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-3993\" class=\"wp-caption-text\">Gulfodet Dyndflue og Havesvirreflue (?), T\u00f8mmerby, september 2026. Foto: J\u00f8rgen Peter Kjeldsen\/<a href=\"http:\/\/ornit.dk\/\">ornit.dk<\/a>.<\/figcaption><\/figure>\n<figure id=\"attachment_3994\" aria-describedby=\"caption-attachment-3994\" style=\"width: 500px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219694.web_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3994\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219694.web_-500x500.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219694.web_-500x500.jpg 500w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219694.web_-1024x1024.jpg 1024w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219694.web_-150x150.jpg 150w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219694.web_-1536x1536.jpg 1536w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219694.web_-1200x1200.jpg 1200w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219694.web_.jpg 1800w\" sizes=\"(max-width: 500px) 85vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-3994\" class=\"wp-caption-text\">Marksvirreflue (?), T\u00f8mmerby, september 2026. Foto: J\u00f8rgen Peter Kjeldsen\/<a href=\"http:\/\/ornit.dk\/\">ornit.dk<\/a>.<\/figcaption><\/figure>\n<figure id=\"attachment_3999\" aria-describedby=\"caption-attachment-3999\" style=\"width: 500px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219593.web_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3999\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219593.web_-500x500.jpg\" alt=\"\" width=\"500\" height=\"840\" \/><\/a><figcaption id=\"caption-attachment-3999\" class=\"wp-caption-text\">Sumpsvirreflue (?), T\u00f8mmerby, september 2026. Foto: J\u00f8rgen Peter Kjeldsen\/<a href=\"http:\/\/ornit.dk\/\">ornit.dk<\/a>.<\/figcaption><\/figure>\n<figure id=\"attachment_3995\" aria-describedby=\"caption-attachment-3995\" style=\"width: 500px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219563.web_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3995\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219563.web_-500x500.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219563.web_-500x500.jpg 500w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219563.web_-1024x1024.jpg 1024w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219563.web_-150x150.jpg 150w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219563.web_-1536x1536.jpg 1536w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219563.web_-1200x1200.jpg 1200w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/JPK_R5_219563.web_.jpg 1800w\" sizes=\"(max-width: 500px) 85vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-3995\" class=\"wp-caption-text\">T\u00f8rve-silkesvirreflue, T\u00f8mmerby, september 2026. Foto: J\u00f8rgen Peter Kjeldsen\/<a href=\"http:\/\/ornit.dk\/\">ornit.dk<\/a>.<\/figcaption><\/figure>\n<div style=\"clear: both;\">\n<p>I det hele taget er der &#8211; \u00e5rstiden taget i betragtning &#8211; stadig godt gang i inseklivet. Blandt andet har vi for andet \u00e5r i tr\u00e6k haft en lang sommer med tilstedev\u00e6relse af Duehale i blomsterhaven &#8211; og den er der <em>stadig<\/em> og spreder gl\u00e6de ved sin tilstedev\u00e6relse! Det var ogs\u00e5 p\u00e5 denne tid sidste \u00e5r at jeg skrev <a href=\"https:\/\/ornit.dk\/vejlerblog\/sen-sommer-sensommer-sommerfugl-sensommerfugl\/\">et blogopslag om Duehale, der fl\u00f8j til hen p\u00e5 sensommeren<\/a>&#8230;<\/p>\n<figure id=\"attachment_3997\" aria-describedby=\"caption-attachment-3997\" style=\"width: 840px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/Duehale_JPK_R5_219858.web_.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-3997\" src=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/Duehale_JPK_R5_219858.web_-1024x683.jpg\" alt=\"\" width=\"840\" height=\"560\" srcset=\"https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/Duehale_JPK_R5_219858.web_-1024x683.jpg 1024w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/Duehale_JPK_R5_219858.web_-500x333.jpg 500w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/Duehale_JPK_R5_219858.web_-150x100.jpg 150w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/Duehale_JPK_R5_219858.web_-1536x1024.jpg 1536w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/Duehale_JPK_R5_219858.web_-2048x1365.jpg 2048w, https:\/\/ornit.dk\/vejlerblog\/wp-content\/uploads\/2026\/09\/Duehale_JPK_R5_219858.web_-1200x800.jpg 1200w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><figcaption id=\"caption-attachment-3997\" class=\"wp-caption-text\">Duehale, T\u00f8mmerby, september 2026. Foto: J\u00f8rgen Peter Kjeldsen\/<a href=\"http:\/\/ornit.dk\/\">ornit.dk<\/a>.<\/figcaption><\/figure>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>For mange \u00e5r siden havde jeg p\u00e5 denne dato et blogindl\u00e6g med titlen &#8216;Liv i lianen&#8217;; det var p\u00e5 den hedengangne hjemmeside for Vejlernes Grav\u00f8lsselskab, men jeg fik den overf\u00f8rt til min nuv\u00e6rende blog. Det handlede om vores stynede asketr\u00e6 i haven ud mod vejen, som er helt overgroet af lianen efeu (vedbend), der blomstrer &hellip; <a href=\"https:\/\/ornit.dk\/vejlerblog\/det-summer-og-svirrer\/\" class=\"more-link\">L\u00e6s videre<span class=\"screen-reader-text\"> &#8220;Det summer og svirrer&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[272,93,558,78,597,37],"class_list":["post-3985","post","type-post","status-publish","format-standard","hentry","category-vejlerne","tag-admiral","tag-dagsommerfugle","tag-duehale","tag-insekter","tag-natsvaermere","tag-toemmerby"],"_links":{"self":[{"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/posts\/3985"}],"collection":[{"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/comments?post=3985"}],"version-history":[{"count":8,"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/posts\/3985\/revisions"}],"predecessor-version":[{"id":4002,"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/posts\/3985\/revisions\/4002"}],"wp:attachment":[{"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/media?parent=3985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/categories?post=3985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ornit.dk\/vejlerblog\/wp-json\/wp\/v2\/tags?post=3985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}