{"id":4388,"date":"2026-06-26T09:20:39","date_gmt":"2026-06-26T09:20:39","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=4388"},"modified":"2026-08-16T08:08:23","modified_gmt":"2026-08-16T08:08:23","slug":"2024-07-fascinating-chemistry-of-the-poplar-leaf-beetle-pl","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/pl\/posts\/2024-07-fascinating-chemistry-of-the-poplar-leaf-beetle-pl\/","title":{"rendered":"Od ro\u015bliny do trucizny: Fascynuj\u0105ca fabryka chemiczna rynnicy topolowej"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Rynnica topolowa (<em>Chrysomela populi<\/em>) to rzucaj\u0105cy si\u0119 w oczy owad le\u015bny, znany ze swojego wygl\u0105du przypominaj\u0105cego biedronk\u0119. Mo\u017cna j\u0105 spotka\u0107 w wi\u0119kszo\u015bci region\u00f3w Europy i Azji. W obliczu zagro\u017cenia larwy wydzielaj\u0105 oleist\u0105, silnie pachn\u0105c\u0105 ciecz (aldehyd salicylowy) ze specjalnych gruczo\u0142\u00f3w na grzbiecie. Ten \u015brodek odstraszaj\u0105cy produkuj\u0105 same: pobieraj\u0105 salicyn\u0119 z zjadanych li\u015bci topoli i wierzb, a nast\u0119pnie przetwarzaj\u0105 j\u0105 chemicznie wewn\u0105trz swoich gruczo\u0142\u00f3w. Zar\u00f3wno doros\u0142e osobniki, jak i larwy s\u0105 \u017car\u0142ocznymi ro\u015blino\u017cercami \u2013 cz\u0119sto zjadaj\u0105 tak du\u017ce ilo\u015bci li\u015bci, \u017ce szkieletuj\u0105 je, pozostawiaj\u0105c jedynie twarde nerwy. Wielokrotnie spotka\u0142em tego przystojnego chrz\u0105szcza w wielu le\u015bnych miejscach na terenie Szwecji.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rynnica topolowa (Chrysomela populi) to rzucaj\u0105cy si\u0119 w oczy owad le\u015bny, znany ze swojego wygl\u0105du przypominaj\u0105cego biedronk\u0119. Mo\u017cna j\u0105 spotka\u0107 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4384,"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":[252,1373,268],"order-category":[163,159,379],"class_list":["post-4388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fitofagi-roslinozercy","countries-europe-pl","countries-europa-finlandia-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\/4388","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=4388"}],"version-history":[{"count":3,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/posts\/4388\/revisions"}],"predecessor-version":[{"id":9180,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/posts\/4388\/revisions\/9180"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/media\/4384"}],"wp:attachment":[{"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/media?parent=4388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/categories?post=4388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/tags?post=4388"},{"taxonomy":"countries","embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/countries?post=4388"},{"taxonomy":"order-category","embeddable":true,"href":"https:\/\/pawel.stefanoff.pl\/bugs\/wp-json\/wp\/v2\/order-category?post=4388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}