{"id":1010,"date":"2006-06-12T00:39:51","date_gmt":"2006-06-12T00:39:51","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/06\/12\/ce-petit-insect\/"},"modified":"2012-08-27T09:56:42","modified_gmt":"2012-08-27T09:56:42","slug":"ce-petit-insect","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogjardin\/2006\/06\/12\/ce-petit-insect\/","title":{"rendered":"Bibitte \u00e0 patates"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogjardin\/files\/2012\/08\/doryphore.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"150\" alt=\"Doryphore\" src=\"http:\/\/www.leblogjardin.com\/images\/doryphore.jpg\" width=\"200\"  \/><\/a> Ce petit insecte nous vient des Etats-Unis, et porte comme nom latin <em>Leptinotarsa decemlineata<\/em>. Mais on le nomme plus simplement &quot;Colorado beetle&quot; en Angleterre, &quot;bibitte \u00e0 patates&quot; au Canada et doryphore en France. Au d\u00e9but du XIX \u00e8me si\u00e8cle, il vivotait sur une Solanac\u00e9es sauvage au pieds des Montagnes Rocheuses (Colorado). Mais la d\u00e9couverte des premiers pieds de pommes de terre en Am\u00e9rique du Sud, et surtout la mise en culture de cette derni\u00e8re sur les lieux de vie de cet insecte chang\u00e8rent sa destin\u00e9e. Le doryphore quitta sa Solanac\u00e9es sauvage pour nos patates et ce fut une invasion mondiale.<\/p>\n<p>L&rsquo;adulte, ainsi que la larve d\u00e9vorent les feuilles des plants et les tubercules alors priv\u00e9s ne grossissent plus. Comme il peut y avoir jusqu&rsquo;\u00e0 trois g\u00e9n\u00e9rations sur une ann\u00e9es le carnage peut \u00eatre important&#8230; L&rsquo;adulte r\u00e9siste aux insecticides, seules les larves sont quelque peu sensibles \u00e0 certains anti-pucerons. Mais dans nos jardins le meilleur moyen de se prot\u00e9ger, est de ramasser larves et adultes visibles et de les d\u00e9truire. Certaines plantes compagnes telles le basilic ou le souci limite un peu leur pr\u00e9sence. Le datura est de loin le plus efficace, car ces petites b\u00e9tes sont attir\u00e9es par cette plante hautement toxique et l&rsquo;ing\u00e9rent jusqu&rsquo;\u00e0 en mourir&#8230;<\/p>\n<p>Photo V. Jungen<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce petit insecte nous vient des Etats-Unis, et porte comme nom latin Leptinotarsa decemlineata. Mais on le nomme plus simplement &quot;Colorado beetle&quot; en Angleterre, &quot;bibitte \u00e0 patates&quot; au Canada et doryphore en France. Au d\u00e9but du XIX \u00e8me si\u00e8cle, il vivotait sur une Solanac\u00e9es sauvage au pieds des Montagnes Rocheuses (Colorado). Mais la d\u00e9couverte des [&hellip;]<\/p>\n","protected":false},"author":355,"featured_media":2742,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1010","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>Bibitte \u00e0 patates - 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\/06\/12\/ce-petit-insect\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bibitte \u00e0 patates - Le blog jardin\" \/>\n<meta property=\"og:description\" content=\"Ce petit insecte nous vient des Etats-Unis, et porte comme nom latin Leptinotarsa decemlineata. Mais on le nomme plus simplement &quot;Colorado beetle&quot; en Angleterre, &quot;bibitte \u00e0 patates&quot; au Canada et doryphore en France. Au d\u00e9but du XIX \u00e8me si\u00e8cle, il vivotait sur une Solanac\u00e9es sauvage au pieds des Montagnes Rocheuses (Colorado). 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