{"id":1677,"date":"2020-02-12T08:58:49","date_gmt":"2020-02-12T07:58:49","guid":{"rendered":"http:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/?page_id=1677"},"modified":"2024-11-06T13:35:34","modified_gmt":"2024-11-06T12:35:34","slug":"lykozrout-seversky","status":"publish","type":"page","link":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/lykozrout-seversky\/","title":{"rendered":"l\u00fdko\u017erout seversk\u00fd"},"content":{"rendered":"\n<p style=\"text-align:left\" class=\"has-medium-font-size\"><em>Ips duplicatus<\/em> C. R. Sahlberg, 1836<\/p>\n\n\n\n<p style=\"text-align:left\">TAXONOMICK\u00c9 ZA\u0158AZEN\u00cd:<br>\u0158\u00e1d: brouci (Coleoptera)<br>\u010cele\u010f: nosatcovit\u00ed (Curculionidae)<\/p>\n\n\n\n<p><strong>HOSTITELSK\u00c9 D\u0158EVINY:<\/strong> smrk (<em>Picea<\/em> spp.), borovice (<em>Pinus <\/em>spp.). <\/p>\n\n\n<style type=\"text\/css\">\n#foogallery-gallery-2664 .fg-image { width: 560px; }\n#foogallery-gallery-2664 { --fg-gutter: 10px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-default foogallery-lightbox-none fg-left fg-default fg-ready fg-light fg-border-thin fg-shadow-outline fg-loading-default fg-loaded-fade-in fg-caption-always fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-2664\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/2024\/11\/001-pozerek-na-spodni-strane-kury-smrku.jpg\" data-caption-title=\"Po\u017eerek l\u00fdko\u017erouta seversk\u00e9ho, Beskydy 2009.\" data-attachment-id=\"4727\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img fetchpriority=\"high\" decoding=\"async\" title=\"Po\u017eerek l\u00fdko\u017erouta seversk\u00e9ho, Beskydy 2009.\" width=\"560\" height=\"650\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/wp-content\/uploads\/cache\/2024\/11\/001-pozerek-na-spodni-strane-kury-smrku\/2808570914.jpg\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22560%22%20height%3D%22650%22%20viewBox%3D%220%200%20560%20650%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">Po\u017eerek l\u00fdko\u017erouta seversk\u00e9ho, Beskydy 2009.<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>POPIS DRUHU:<\/strong> brouci jsou 2,8\u20134,5 mm velc\u00ed, leskl\u00ed, \u010dernohn\u011bd\u00ed a\u017e \u010dern\u00ed, s v\u00e1lcovit\u00fdm tvarem t\u011bla. Z\u00e1\u010f krovek a p\u0159edn\u00ed okraj \u0161t\u00edtu jsou zaoblen\u00e9. Zadn\u00ed \u010d\u00e1st krovek je zkosen\u00e1, s lesklou prohlubeninou. Mezir\u00fd\u017e\u00ed krovek jsou te\u010dkovan\u00e1. Cel\u00e9 t\u011blo je \u0159\u00eddce chloupkovan\u00e9 jemn\u00fdmi, dlouh\u00fdmi, odst\u00e1l\u00fdmi chloupky. Larva je b\u011blav\u00e1, rohl\u00ed\u010dkovit\u00e1, beznoh\u00e1, se siln\u011b chitinizovanou hn\u011bdou hlavou. Dorostl\u00e1 m\u011b\u0159\u00ed 4,5\u20135,5 mm. Vaj\u00ed\u010dka jsou drobn\u00e1, ov\u00e1ln\u00e1, leskle b\u011blav\u00e1, v pr\u016fm\u011bru 0,7 mm velk\u00e1. Kukla je voln\u00e1, b\u00edl\u00e1, asi 5 mm dlouh\u00e1, na zade\u010dku zakon\u010den\u00e1 2 kr\u00e1tk\u00fdmi trny. Po\u017eerek je hv\u011bzdicovit\u00fd, slo\u017een\u00fd z 1\u20135, nej\u010dast\u011bji v\u0161ak ze 2\u20133 mate\u010dn\u00fdch chodeb. Mate\u010dn\u00e9 chodby jsou v\u00edcem\u00e9n\u011b rovnob\u011b\u017en\u00e9 s pod\u00e9lnou osou kmene, 4\u20136 cm dlouh\u00e9, s n\u011bkolika nepravideln\u00fdmi v\u011btrac\u00edmi otvory. Larvov\u00e9 chodby jsou kr\u00e1tk\u00e9, max. 5 cm dlouh\u00e9. <\/p>\n\n\n\n<p><strong>EKOLOGIE DRUHU:<\/strong> jarn\u00ed rojen\u00ed brouk\u016f za\u010d\u00edn\u00e1 za\u010d\u00e1tkem kv\u011btna, za p\u0159\u00edzniv\u00e9ho po\u010das\u00ed i d\u0159\u00edve. Same\u010dci nal\u00e9t\u00e1vaj\u00ed na stromy a l\u00e1kaj\u00ed sami\u010dky. Oplodn\u011bn\u00e9 sami\u010dky vyhlod\u00e1vaj\u00ed mate\u010dn\u00e9 chodby, v nich\u017e kladou postupn\u011b sv\u00e1 vaj\u00ed\u010dka. Z vaj\u00ed\u010dek se za 1\u20132 t\u00fddny l\u00edhnou larvy. Po 2\u20134 t\u00fddnech, v z\u00e1vislosti na okoln\u00edch podm\u00ednk\u00e1ch, dokon\u010duj\u00ed larvy sv\u016fj v\u00fdvoj a na konc\u00edch sv\u00fdch chodeb se kukl\u00ed. Mlad\u00ed brouci prod\u011bl\u00e1vaj\u00ed v m\u00edst\u011b vyl\u00edhnut\u00ed asi dvout\u00fddenn\u00ed zralostn\u00ed \u017e\u00edr. Letn\u00ed rojen\u00ed brouk\u016f 2. generace prob\u00edh\u00e1 zhruba od poloviny \u010dervence. Za p\u0159\u00edzniv\u00e9ho po\u010das\u00ed se brouci 2. generace roj\u00ed ji\u017e v 2. polovin\u011b \u010dervna a zakl\u00e1daj\u00ed t\u0159et\u00ed generaci s dobou rojen\u00ed v srpnu nebo z\u00e1\u0159\u00ed. P\u0159ezimuj\u00ed larvy, kukly nebo dosp\u011blci. Dosp\u011blci p\u0159ezimuj\u00ed nej\u010dast\u011bji v hrabance, p\u0159\u00edpadn\u011b v k\u016f\u0159e. Druh zakl\u00e1d\u00e1 i sesterskou generaci.<\/p>\n\n\n\n<p><strong>V\u00ddZNAM DRUHU:<\/strong> l\u00fdko\u017erout seversk\u00fd je v\u00fdznamn\u00fd \u0161k\u016fdce smrkov\u00fdch porost\u016f, v nich\u017e na mnoh\u00fdch m\u00edstech vytla\u010duje l\u00fdko\u017erouta smrkov\u00e9ho. Nej\u010dast\u011bji druhotn\u011b napad\u00e1 stromy ve st\u00e1\u0159\u00ed 40\u201380 let. Nal\u00e9t\u00e1v\u00e1 p\u0159edev\u0161\u00edm do horn\u00edch parti\u00ed kmene a siln\u011bj\u0161\u00edch v\u011btv\u00ed. P\u0159i p\u0159emno\u017een\u00ed napad\u00e1 i zdrav\u00e9 stromy. U n\u00e1s nep\u016fvodn\u00ed druh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ips duplicatus C. R. Sahlberg, 1836 TAXONOMICK\u00c9 ZA\u0158AZEN\u00cd:\u0158\u00e1d: brouci (Coleoptera)\u010cele\u010f: nosatcovit\u00ed (Curculionidae) HOSTITELSK\u00c9 D\u0158EVINY: smrk [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-full-width.php","meta":{"footnotes":""},"class_list":["post-1677","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/pages\/1677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/comments?post=1677"}],"version-history":[{"count":8,"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/pages\/1677\/revisions"}],"predecessor-version":[{"id":2666,"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/pages\/1677\/revisions\/2666"}],"wp:attachment":[{"href":"https:\/\/rumex.mendelu.cz\/atlasposkozenidrevin\/index.php\/wp-json\/wp\/v2\/media?parent=1677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}