{"id":46010,"date":"2025-11-14T14:28:20","date_gmt":"2025-11-14T13:28:20","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=46010"},"modified":"2025-11-14T14:28:20","modified_gmt":"2025-11-14T13:28:20","slug":"protection-des-abeilles-le-cra-w-ameliore-le-piegeage-printanier-du-frelon-asiatique","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/protection-des-abeilles-le-cra-w-ameliore-le-piegeage-printanier-du-frelon-asiatique\/","title":{"rendered":"Protection des abeilles : le CRA-W am\u00e9liore le pi\u00e9geage printanier du frelon asiatique"},"content":{"rendered":"<p>Introduit accidentellement en Europe en 2004, le frelon asiatique est maintenant bien install\u00e9 en Wallonie et son \u00e9radication para\u00eet illusoire. Cette esp\u00e8ce pose probl\u00e8me pour la sant\u00e9 humaine, la biodiversit\u00e9 mais aussi pour le secteur apicole. Sa pr\u00e9sence devant les ruches provoque du stress, perturbe le butinage et compromet les r\u00e9serves hivernales, augmentant ainsi le risque de mortalit\u00e9 hivernale.<\/p>\n<p>Malgr\u00e9 une campagne de neutralisation syst\u00e9matique des nids financ\u00e9e par la Wallonie entre 2016 et 2022, l&rsquo;esp\u00e8ce s\u2019est install\u00e9e durablement. La politique r\u00e9gionale a alors \u00e9volu\u00e9 vers une strat\u00e9gie de gestion int\u00e9gr\u00e9e combinant la neutralisation des nids, la protection des ruchers et le pi\u00e9geage des fondatrices au printemps. En effet, les fondatrices sont les plus vuln\u00e9rables entre mars et mai, lorsqu\u2019elles assurent seules l\u2019entretien du nid primaire.<\/p>\n<p>Le CRA-W, apr\u00e8s 3 ann\u00e9es de recherches, a mis au point un dispositif de pi\u00e9geage am\u00e9lior\u00e9 pour la capture des fondatrices au printemps, limitant le pi\u00e9geage d\u2019autres insectes comme les mouches, les abeilles, les bourdons\u2026 Il s\u2019agit d\u2019un couvercle qui se visse directement sur les pots alimentaires standards et dans lequel on place un absorbant imbib\u00e9 d\u2019une substance sucr\u00e9e attractive. La dimension des trous emp\u00eache l\u2019entr\u00e9e du frelon europ\u00e9en, permet la sortie des insectes end\u00e9miques mais emp\u00eache celle du frelon asiatique.<\/p>\n<p>Lors de la campagne de 2025 :<\/p>\n<ul>\n<li>Avec moins de pi\u00e8ges, deux fois plus de frelons asiatiques ont \u00e9t\u00e9 captur\u00e9s par rapport \u00e0 2024, notamment gr\u00e2ce \u00e0 l\u2019utilisation d&rsquo;\u00e9ponge plut\u00f4t que du bioabsorbant.<\/li>\n<li>83 % des insectes captur\u00e9s \u00e9taient des frelons asiatiques, ce qui prouve la s\u00e9lectivit\u00e9 du dispositif.<\/li>\n<li>Certains maillages ont \u00e9t\u00e9 particuli\u00e8rement efficaces. Des \u00e9tudes compl\u00e9mentaires sont en cours pour pouvoir conseiller au mieux les apiculteurs dans le placement des pi\u00e8ges \u00e0 l\u2019avenir.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Introduit accidentellement en Europe en 2004, le frelon asiatique est maintenant bien install\u00e9 en Wallonie et son \u00e9radication para\u00eet illusoire. Cette esp\u00e8ce pose probl\u00e8me pour la sant\u00e9 humaine, la biodiversit\u00e9 mais aussi pour le secteur apicole. Sa pr\u00e9sence devant les ruches provoque du stress, perturbe le butinage et compromet les r\u00e9serves hivernales, augmentant ainsi le [&hellip;]<\/p>","protected":false},"featured_media":45993,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Protection des abeilles : le CRA-W am\u00e9liore le pi\u00e9geage printanier du frelon asiatique - For\u00eat.Nature<\/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:\/\/foretnature.be\/en\/resume-foret-mail\/protection-des-abeilles-le-cra-w-ameliore-le-piegeage-printanier-du-frelon-asiatique\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Protection des abeilles : le CRA-W am\u00e9liore le pi\u00e9geage printanier du frelon asiatique - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Introduit accidentellement en Europe en 2004, le frelon asiatique est maintenant bien install\u00e9 en Wallonie et son \u00e9radication para\u00eet illusoire. 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