{"id":927,"date":"2006-12-28T00:51:57","date_gmt":"2006-12-28T00:51:57","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/12\/28\/un-ravageur-lot\/"},"modified":"2012-08-27T09:58:54","modified_gmt":"2012-08-27T09:58:54","slug":"un-ravageur-lot","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/12\/28\/un-ravageur-lot\/","title":{"rendered":"Un ravageur: l&rsquo;otiorrhynque"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/files\/2012\/08\/attaque_dotiorrhynques_2.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"280\" height=\"210\"  src=\"http:\/\/www.leblogjardin.com\/images\/attaque_dotiorrhynques_2.jpg\" alt=\"Attaque_dotiorrhynques_2\" style=\"margin: 0px 5px 5px 0px;float: left\" \/><\/a> Vous avez remarqu\u00e9 que les feuilles de certains de vos v\u00e9g\u00e9taux sont crant\u00e9es, mang\u00e9es sur leur pourtour ? Ne cherchez pas plus loin, vous avez des <a href=\"http:\/\/207.5.17.151\/biobest\/fr\/plagen\/taxuskever.htm\">otiorrhynques<\/a> dans votre jardin.<br \/>Ces petits charan\u00e7ons de 8 \u00e0 10 mm sont de couleur sombre et terne, il est difficile de les rep\u00e9rer car le jour ils se cachent au pied des plantes et ne sortent que la nuit pour grignoter les feuilles. Les d\u00e9g\u00e2ts que vous constatez sont le signe indiscutable de leur pr\u00e9sence.&nbsp; De nombreux v\u00e9g\u00e9taux sont touch\u00e9s notamment <a href=\"http:\/\/www.thoby.com\/shopping\/francais\/conseils.htm\">les cam\u00e9lias<\/a>, les tro\u00e8nes, <a href=\"http:\/\/www.vivacite.be\/rtbf_2000\/bin\/view_something.cgi?id=0121371_article&amp;menu=\">les rhododendrons<\/a>, les lilas, les azal\u00e9es, les lauriers-tins&#8230;<\/p>\n<p>L&rsquo;insecte est un <a href=\"http:\/\/www.cityplantes.com\/conseils\/insectes-predateurs.shtm\">ravageur<\/a> dangereux qui blesse les feuilles des v\u00e9g\u00e9taux mais ce n&rsquo;est pas lui le pire ! En mai-juin, les femelles pondent sur le sol et apr\u00e8s quatre \u00e0 cinq semaines les larves apparaissent, elles vont vivre dans le sol pendant neuf \u00e0 douze mois en se nourrissant de racines de plus en plus grosses au fur et \u00e0 mesure de leur d\u00e9veloppement. Ces larves sont des vers blancs qui \u00e0 la fin de leur \u00e9volution mesurent environ 12 mm, les racines qu&rsquo;elles d\u00e9vorent petit \u00e0 petit laissent la plante tr\u00e8s affaiblie et celle-ci peut en mourir.<br \/>Comment lutter contre ces insectes ? On peut pulv\u00e9riser un insecticide \u00e0 base de deltam\u00e9thrine sur le feuillage pour combattre l&rsquo;insecte adulte, mais mieux vaut s&rsquo;attaquer \u00e0 la larve et traiter le sol (granul\u00e9s anti vers blancs du sol).<br \/>Il existe une solution \u00e9cologique pour r\u00e9gler ce probl\u00e8me, il s&rsquo;agit d&rsquo;utiliser de petits n\u00e9matodes appel\u00e9s <a href=\"http:\/\/www.jardin-bio.com\/boutic\/bou_vpro.cgi?codepro=MEGIS5\">&quot;heterorhabditis&quot;<\/a> que l&rsquo;on met dans l&rsquo;eau d&rsquo;arrosage, ils p\u00e9n\u00e8trent les larves,&nbsp; les parasitent et les infectent avec une bact\u00e9rie qu&rsquo;ils contiennent. Gr\u00e2ce \u00e0 ce petit n\u00e9matode les larves sont tu\u00e9es en 48h. <br \/>Sinon, il vous reste la possibilit\u00e9 en \u00e9t\u00e9 de sortir la nuit avec une lampe de poche pour rep\u00e9rer les adultes et les r\u00e9cuperer, mais armez-vous de patience !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vous avez remarqu\u00e9 que les feuilles de certains de vos v\u00e9g\u00e9taux sont crant\u00e9es, mang\u00e9es sur leur pourtour ? Ne cherchez pas plus loin, vous avez des otiorrhynques dans votre jardin.Ces petits charan\u00e7ons de 8 \u00e0 10 mm sont de couleur sombre et terne, il est difficile de les rep\u00e9rer car le jour ils se cachent [&hellip;]<\/p>\n","protected":false},"author":354,"featured_media":2898,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-927","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>Un ravageur: l&#039;otiorrhynque - 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\/28\/un-ravageur-lot\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un ravageur: l&#039;otiorrhynque - Le blog jardin\" \/>\n<meta property=\"og:description\" content=\"Vous avez remarqu\u00e9 que les feuilles de certains de vos v\u00e9g\u00e9taux sont crant\u00e9es, mang\u00e9es sur leur pourtour ? Ne cherchez pas plus loin, vous avez des otiorrhynques dans votre jardin.Ces petits charan\u00e7ons de 8 \u00e0 10 mm sont de couleur sombre et terne, il est difficile de les rep\u00e9rer car le jour ils se cachent [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/12\/28\/un-ravageur-lot\/\" \/>\n<meta property=\"og:site_name\" content=\"Le blog jardin\" \/>\n<meta property=\"article:published_time\" content=\"2006-12-28T00:51:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-08-27T09:58:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/files\/2012\/08\/attaque_dotiorrhynques_2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"480\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"evelyne vigier\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"evelyne vigier\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/12\/28\/un-ravageur-lot\/\",\"url\":\"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/12\/28\/un-ravageur-lot\/\",\"name\":\"Un ravageur: l'otiorrhynque - 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