{"id":16562,"date":"2026-05-16T16:10:49","date_gmt":"2026-05-16T14:10:49","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/decouvert-en-marchant-voila-ce-que-signifient-les-sacs-noirs-sur-les-arbres\/"},"modified":"2026-05-16T16:10:50","modified_gmt":"2026-05-16T14:10:50","slug":"decouvert-en-marchant-voila-ce-que-signifient-les-sacs-noirs-sur-les-arbres","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/decouvert-en-marchant-voila-ce-que-signifient-les-sacs-noirs-sur-les-arbres\/","title":{"rendered":"D\u00e9couvert en marchant ? Voil\u00e0 ce que signifient les sacs noirs sur les arbres"},"content":{"rendered":"<p><!--$--><\/p>\n<div data-hk=\"0000a104212000a20200\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Les mois chauds attirent de nombreux amoureux de la nature dans les for\u00eats, mais toutes les rencontres au vert ne sont pas agr\u00e9ables. Un danger inattendu vient de chenilles discr\u00e8tes : la processionnaire du ch\u00eane.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a20210\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Cet insecte est non seulement nocif pour les arbres, mais il pr\u00e9sente \u00e9galement un risque pour la sant\u00e9 des personnes. Surtout entre mai et juin, la chenille d\u00e9veloppe des poils urticants venimeux qui peuvent provoquer des r\u00e9actions allergiques au contact, c&rsquo;est pourquoi les gens se servent de sacs noirs.<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a202204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-mobile-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a20230\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>C&rsquo;est quoi ces sacs noirs ?<\/h2>\n<p>Un signal d&rsquo;avertissement clair de la pr\u00e9sence de la processionnaire du ch\u00eane est constitu\u00e9 par des sacs noirs attach\u00e9s aux troncs des ch\u00eanes. Ces pi\u00e8ges dits EPS attrapent les chenilles lors de leur descente.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a20240\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Les promeneurs doivent pr\u00eater attention \u00e0 ces signes et \u00e9viter les arbres touch\u00e9s. Les chenilles de la processionnaire du ch\u00eane ne doivent pas \u00eatre sous-estim\u00e9es, car leurs poils urticants contiennent la dangereuse toxine de l&rsquo;ortie, la thaumetopoein, et peuvent d\u00e9clencher de fortes r\u00e9actions allergiques au contact.<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a202504\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-out\">\n<div id=\"ad-slot-mobile-out-1\" data-orientation=\"out\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a20260\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>Conservation de la nature sans poison : le pi\u00e8ge innovant en EPS<\/h2>\n<p>Les sacs noirs constituent une m\u00e9thode non toxique pour attraper les chenilles. Une fois les chenilles ramp\u00e9es, un rev\u00eatement lisse les emp\u00eache de s&rsquo;\u00e9chapper \u00e0 nouveau. Un avantage suppl\u00e9mentaire est que les dangereux poils urticants des chenilles restent dans le pi\u00e8ge et ne peuvent plus s&rsquo;\u00e9chapper dans l&rsquo;environnement.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a20270\" class=\"Ad-Row\">\n<div class=\"Ad-Col col-lg-5\">\n<div data-hk=\"0000a104212000a2027104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver\" role=\"region\" aria-label=\"Anzeige 1\">\n<div id=\"ad-slot-desktop-ver-1\" data-orientation=\"ver\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<div class=\"Ad-Col col-lg-5\">\n<aside data-hk=\"0000a104212000a2027204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-ver-2\" data-orientation=\"ver\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<\/div>\n<div data-hk=\"0000a104212000a20280\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>Pr\u00e9cautions pour les visiteurs de la for\u00eat<\/h2>\n<p>Des panneaux d&rsquo;avertissement sont \u00e9galement affich\u00e9s dans les zones fortement infest\u00e9es par la processionnaire du ch\u00eane. Ceux-ci servent \u00e0 avertir les promeneurs et les visiteurs de la for\u00eat de l&rsquo;insecte dangereux.<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a202904\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-3\" data-orientation=\"hor\" data-index=\"3\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a202a100\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Il est recommand\u00e9 d&rsquo;\u00e9viter les zones abritant de nombreux ch\u00eanes pendant le pic d&rsquo;activit\u00e9 des chenilles et de porter une attention particuli\u00e8re aux sacs noirs et aux panneaux d&rsquo;avertissement. Les poils de la chenille peuvent provoquer des irritations cutan\u00e9es, des yeux, des difficult\u00e9s respiratoires et m\u00eame des r\u00e9actions allergiques.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a202a110\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>Agir en cas de contact<\/h2>\n<p>Si vous entrez en contact avec les poils urticants de la processionnaire du ch\u00eane, vous devez agir rapidement. Il est conseill\u00e9 de prendre une douche imm\u00e9diatement, de se laver les cheveux et les v\u00eatements et de consulter imm\u00e9diatement un m\u00e9decin si vous ressentez des sympt\u00f4mes tels qu&rsquo;une \u00e9ruption cutan\u00e9e ou un essoufflement.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a202a120\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Le pi\u00e8ge EPS apporte une contribution importante \u00e0 la protection de la population en emp\u00eachant la propagation des poils urticants et en minimisant ainsi le risque de probl\u00e8mes de sant\u00e9.<\/p>\n<\/div>\n<p><!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les mois chauds attirent de nombreux amoureux de la nature dans les for\u00eats, mais toutes<\/p>\n","protected":false},"author":1,"featured_media":16563,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[5308,1658,49,8869,2155,9855,9147,112,8434],"class_list":["post-16562","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-maladies","tag-arbres","tag-decouvert","tag-les","tag-marchant","tag-noirs","tag-sacs","tag-signifient","tag-sur","tag-voila","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>D\u00e9couvert en marchant ? 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