{"id":4433,"date":"2026-06-06T13:45:00","date_gmt":"2026-06-06T13:45:00","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=4433"},"modified":"2026-08-16T10:42:17","modified_gmt":"2026-08-16T10:42:17","slug":"2026-06-autumn-gatherings-of-the-alder-leaf-beetle-en-2","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/pl\/posts\/2026-06-autumn-gatherings-of-the-alder-leaf-beetle-en-2\/","title":{"rendered":"Jesienne zgromadzenia: Hurmak olchowiec w szwedzkich lasach"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hurmak olchowiec (<em>Agelastica alni<\/em>) to uderzaj\u0105co ciemny, metalicznie mieni\u0105cy si\u0119 przedstawiciel rodziny stonkowatych (<em>Chrysomelidae<\/em>). Jest szeroko rozpowszechniony w Europie, na Kaukazie, Syberii i w p\u00f3\u0142nocno-wschodnim Kazachstanie, a w XIX wieku zosta\u0142 zawleczony do Stan\u00f3w Zjednoczonych. Zar\u00f3wno osobniki doros\u0142e, jak i ich larwy znane s\u0105 z \u017car\u0142ocznego apetytu, a ich g\u0142\u00f3wnym przysmakiem s\u0105 olsze (<em>Alnus<\/em>). Podczas gdy doros\u0142e chrz\u0105szcze wygryzaj\u0105 w li\u015bciach nieregularne, nieestetyczne dziury, to rozwijaj\u0105ce si\u0119 latem larwy wyrz\u0105dzaj\u0105 najpowa\u017cniejsze szkody. \u017beruj\u0105c w g\u0119stych, licznych grupach, szkieletuj\u0105 li\u015bcie i potrafi\u0105 doprowadzi\u0107 drzewo do ca\u0142kowitego pozbawienia li\u015bci. Na szcz\u0119\u015bcie, pomimo dramatycznego efektu wizualnego, zdrowe olchy zazwyczaj dobrze toleruj\u0105 te uszkodzenia i regeneruj\u0105 si\u0119. Spaceruj\u0105c p\u00f3\u017anym latem lub jesieni\u0105 po szwedzkim lesie w pobli\u017cu mojego domu, od czasu do czasu natykam si\u0119 na du\u017ce, widowiskowe skupiska tych chrz\u0105szczy, kt\u00f3re tul\u0105 si\u0119 do siebie, przygotowuj\u0105c si\u0119 do przezimowania.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hurmak olchowiec (Agelastica alni) to uderzaj\u0105co ciemny, metalicznie mieni\u0105cy si\u0119 przedstawiciel rodziny stonkowatych (Chrysomelidae). Jest szeroko rozpowszechniony w Europie, na [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4429,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[10],"tags":[],"countries":[252,268],"order-category":[163,159,379],"class_list":["post-4433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fitofagi-roslinozercy","countries-europe-pl","countries-szwecja","order-category-owady-chrzaszcze","order-category-owady","order-category-owady-chrzaszcze-stonkowate"],"_links":{"self":[{"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/posts\/4433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/comments?post=4433"}],"version-history":[{"count":1,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/posts\/4433\/revisions"}],"predecessor-version":[{"id":4437,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/posts\/4433\/revisions\/4437"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/media\/4429"}],"wp:attachment":[{"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/media?parent=4433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/categories?post=4433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/tags?post=4433"},{"taxonomy":"countries","embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/countries?post=4433"},{"taxonomy":"order-category","embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/order-category?post=4433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}