{"id":925,"date":"2006-12-30T00:05:51","date_gmt":"2006-12-30T00:05:51","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/12\/30\/les-chenilles-p\/"},"modified":"2012-08-27T09:58:59","modified_gmt":"2012-08-27T09:58:59","slug":"les-chenilles-p","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/12\/30\/les-chenilles-p\/","title":{"rendered":"Les chenilles processionnaires toujours aussi d\u00e9vastatrices"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/files\/2012\/08\/chenilles_processionnaires.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"266\"  src=\"http:\/\/www.leblogjardin.com\/images\/chenilles_processionnaires.jpg\" alt=\"Chenilles_processionnaires\" style=\"margin: 0px 5px 5px 0px;float: left\" \/><\/a> Une vraie calamit\u00e9, voil\u00e0 ce que sont ces petites b\u00eates qui viennent s&rsquo;agglutiner sur les branches des pins ! On peut voir des pin\u00e8des enti\u00e8res colonnis\u00e9es par ces&nbsp; <a href=\"http:\/\/www.jardin.ch\/dossiers\/processionnaire.html\">chenilles<\/a>, ce ph\u00e9nom\u00e8ne limit\u00e9 au sud autrefois est maintenant pr\u00e9sent sur tout le territoire.<\/p>\n<p> Avec l&rsquo;arriv\u00e9e du froid, elles tissent de <a href=\"http:\/\/www.aufuret.ch\/conseil\/_2003\/0303.htm\">gros cocons blancs <\/a>et soyeux dans lesquels elles se mettent \u00e0 l&rsquo;abri des basses temp\u00e9ratures,&nbsp; par transparence on les aper\u00e7oit regroup\u00e9es&nbsp; dans leur nid bien au chaud !&nbsp; En f\u00e9vrier-mars, elles quittent leur cocon, descendent de l&rsquo;arbre et avancent en procession pour trouver un endroit o\u00f9 elles pourront s&rsquo;enterrer afin de se transformer en chrysalide.<\/p>\n<p><a href=\"http:\/\/www.leblogjardin.com\/2005\/08\/la_chenille_pro.html\">Les chenilles processionnaires<\/a> causent de gros d\u00e9gats \u00e0 la v\u00e9g\u00e9tation car elles d\u00e9vorent les aiguilles des pins. Cela entraine une importante d\u00e9foliation et l&rsquo;affaiblissement des arbres.<br \/>Qu&rsquo;elles soient dans leur nid ou en train de se mouvoir sur le sol, ces chenilles sont <a href=\"http:\/\/www.poisoncentre.be\/fr\/animals\/THAUMETOPOEA_PROCESSIONEA.php\">urticantes<\/a> pour les humains et les chiens, il ne faut absolument pas les toucher,m\u00eame si elles sont mortes car il y a un s\u00e9rieux risque de d\u00e9clencher un ph\u00e9nom\u00e8ne allergique.<\/p>\n<p>Comment lutter contre elles ? La meilleure solution est l&rsquo;application d&rsquo;un traitement \u00e0 base de &quot;bacillus thuringiensis&quot; sur l&rsquo;ensemble du feuillage. C&rsquo;est un bacille toxique uniquement pour les chenilles qui l&rsquo;ing\u00e8rent en mangeant les aiguilles des pins.<br \/>On peut, si l&rsquo;arbre n&rsquo;est pas trop haut, couper les branches atteintes et les br\u00fbler mais, attention mettez des gants pour ne pas avoir de contact avec les nids habit\u00e9s. Une fois vides par contre ils ne pr\u00e9sentent plus de risque et se d\u00e9sagr\u00e8gent avec le temps.<br \/>Un petit truc pour finir, enduisez le tronc de glue, les chenilles viendront s&rsquo;y engluer en descendant du pin mais certaines en r\u00e9chapperont en passant par dessus les autres !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une vraie calamit\u00e9, voil\u00e0 ce que sont ces petites b\u00eates qui viennent s&rsquo;agglutiner sur les branches des pins ! On peut voir des pin\u00e8des enti\u00e8res colonnis\u00e9es par ces&nbsp; chenilles, ce ph\u00e9nom\u00e8ne limit\u00e9 au sud autrefois est maintenant pr\u00e9sent sur tout le territoire. Avec l&rsquo;arriv\u00e9e du froid, elles tissent de gros cocons blancs et soyeux dans [&hellip;]<\/p>\n","protected":false},"author":354,"featured_media":2902,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-925","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ennemis-et-maladies"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les chenilles processionnaires toujours aussi d\u00e9vastatrices - Le blog jardin<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/12\/30\/les-chenilles-p\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les chenilles processionnaires toujours aussi d\u00e9vastatrices - Le blog jardin\" \/>\n<meta property=\"og:description\" content=\"Une vraie calamit\u00e9, voil\u00e0 ce que sont ces petites b\u00eates qui viennent s&rsquo;agglutiner sur les branches des pins ! On peut voir des pin\u00e8des enti\u00e8res colonnis\u00e9es par ces&nbsp; chenilles, ce ph\u00e9nom\u00e8ne limit\u00e9 au sud autrefois est maintenant pr\u00e9sent sur tout le territoire. 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