{"id":16467,"date":"2026-05-13T10:12:14","date_gmt":"2026-05-13T08:12:14","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons\/"},"modified":"2026-05-13T10:12:15","modified_gmt":"2026-05-13T08:12:15","slug":"500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons\/","title":{"rendered":"500 millions de hannetons attendus lors du vol des hannetons"},"content":{"rendered":"<p><!--$--><\/p>\n<div data-hk=\"0000942120a20200\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Cette ann\u00e9e encore, un vol massif de hannetons est attendu \u00e0 Ried, dans le sud de la Hesse. D\u00e8s la semaine prochaine, environ 500 millions d&rsquo;animaux pourraient \u00eatre en d\u00e9placement, principalement dans les districts de Gross-Gerau et de Darmstadt. C&rsquo;est ce que disent les experts. \u00ab\u00a0Un spectacle naturel tr\u00e8s sp\u00e9cial qui n&rsquo;existe que dans quelques endroits en Allemagne\u00a0\u00bb, a d\u00e9clar\u00e9 Bernd Petri de l&rsquo;association pour la conservation de la nature (Nabu) Hesse.<\/p>\n<\/div>\n<div data-hk=\"0000942120a20210\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Les conducteurs doivent se pr\u00e9parer \u00e0 la pr\u00e9sence de nombreux col\u00e9opt\u00e8res au triangle M\u00f6nchhof (A67\/A3) sur l&rsquo;autoroute 67 au cr\u00e9puscule. Le vol de masse de 2022 a progress\u00e9 lentement avec les voitures. \u00ab\u00a0Les col\u00e9opt\u00e8res, qui mesuraient environ deux centim\u00e8tres et demi de long, ont heurt\u00e9 la fen\u00eatre. C&rsquo;\u00e9tait une situation apocalyptique\u00a0\u00bb, rapporte Petri. <\/p>\n<\/div>\n<aside data-hk=\"0000942120a202204\" 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=\"0000942120a20230\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Le vol massif des hannetons a g\u00e9n\u00e9ralement lieu tous les quatre ans. Le biologiste affirme que pour la population du Ried de Hesse, c&rsquo;est toujours l&rsquo;ann\u00e9e de la Coupe du monde de football. D&rsquo;autres souches de hannetons, par exemple pr\u00e8s de Hanau ou de Karlsruhe, seraient disponibles d&rsquo;autres ann\u00e9es.<\/p>\n<\/div>\n<div data-hk=\"0000942120a20242\" data-qa-article-image class=\"Article-Image mb-lg\">\n<figure data-hk=\"0000942120a2024300\" class=\"Article-Content-Figure\"><!--$--><!--\/--><!--$--><\/p>\n<div data-hk=\"0000942120a202430200\" class=\"Image-Container\" data-qa-image-container><\/div>\n<p><!--\/--><!--$--><figcaption data-hk=\"0000942120a20243030\" class=\"Article-Content-Figcaption\"><span data-hk=\"0000942120a2024000\" data-qa-image-caption class=\"Image-Caption\"> <!--$-->Col\u00e9opt\u00e8re et larve. C\u2019est l\u00e0 qu\u2019\u00e9closent les hannetons.<!--\/--> <\/span><span data-hk=\"0000942120a2024100\" data-qa-image-credit class=\"Image-Credit\"> <!--$-->imago images \/ courtier en images<!--\/--> <!--$--><!--\/--><\/span><\/figcaption><!--\/--><\/figure>\n<\/div>\n<div data-hk=\"0000942120a20250\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Mais comment se produit le ph\u00e9nom\u00e8ne d\u2019apparition massive ? \u00abLe hanneton profite d&rsquo;une catastrophe \u00e9cologique d&rsquo;origine humaine dans le Ried de Hesse\u00bb, explique Petri. Le paysage original de la plaine inondable a \u00e9t\u00e9 ass\u00e9ch\u00e9 pendant des si\u00e8cles. Cela a cr\u00e9\u00e9 des conditions id\u00e9ales pour les insectes. L&rsquo;esp\u00e8ce a besoin de sols secs et chauds. C&rsquo;est l\u00e0 que les femelles pondent leurs \u0153ufs, \u00e0 partir desquels se d\u00e9veloppent des larves. L\u2019automne dernier, ces larves sont devenues des col\u00e9opt\u00e8res. Si le temps le permet, ils sortent tous de terre en m\u00eame temps.<\/p>\n<\/div>\n<aside data-hk=\"0000942120a202604\" 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=\"0000942120a20270\" class=\"Ad-Row\">\n<div class=\"Ad-Col col-lg-5\">\n<div data-hk=\"0000942120a2027104\" 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=\"0000942120a2027204\" 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=\"0000942120a20280\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Outre le probl\u00e8me du drainage, la for\u00eat du Ried de Hesse doit faire face aux cons\u00e9quences du changement climatique. De nombreux arbres y sont morts parce que le temps \u00e9tait trop sec. Les col\u00e9opt\u00e8res de mai causent des d\u00e9g\u00e2ts suppl\u00e9mentaires \u00e0 la for\u00eat. Les animaux adultes mangent les feuilles fra\u00eeches des ch\u00eanes et des h\u00eatres, explique Petri. Les arbres peuvent g\u00e9n\u00e9ralement compenser cela par de nouvelles pousses. Les larves qui se nourrissent des racines des arbres dans le sol constituent un probl\u00e8me.<\/p>\n<\/div>\n<aside data-hk=\"0000942120a202904\" 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=\"0000942120a202a102\" data-qa-article-image class=\"Article-Image mb-lg\">\n<figure data-hk=\"0000942120a202a10300\" class=\"Article-Content-Figure\"><!--$--><!--\/--><!--$--><\/p>\n<div data-hk=\"0000942120a202a1030200\" class=\"Image-Container\" data-qa-image-container><img decoding=\"async\" data-hk=\"0000942120a202a10302010\" loading=\"lazy\" srcset=\"https:\/\/quadro.burda-forward.de\/ctf\/8269a271-bc95-41a2-b11e-f0522c740b1c.d88003d7-e6fb-4914-87cf-0e37e308ca26.jpeg?im=RegionOfInterestCrop=(320,220),regionOfInterest=(1024,702.5)&amp;hash=05e1a5b6d0e3d5a9737d62bc1a8738a006a3d3462d381e8887ac3cbc7b8b6ac8 320w, https:\/\/quadro.burda-forward.de\/ctf\/8269a271-bc95-41a2-b11e-f0522c740b1c.d88003d7-e6fb-4914-87cf-0e37e308ca26.jpeg?im=RegionOfInterestCrop=(570,391),regionOfInterest=(1024,702.5)&amp;hash=0db845ae012ea886acb50b486ce3e9e9fb8134730841204debf47698a89b6e7a 570w, https:\/\/quadro.burda-forward.de\/ctf\/8269a271-bc95-41a2-b11e-f0522c740b1c.d88003d7-e6fb-4914-87cf-0e37e308ca26.jpeg?im=RegionOfInterestCrop=(780,535),regionOfInterest=(1024,702.5)&amp;hash=7059a865134c9f575c441a093443ab18709773ced4e315ee626e1a073d5b3304 780w, https:\/\/quadro.burda-forward.de\/ctf\/8269a271-bc95-41a2-b11e-f0522c740b1c.d88003d7-e6fb-4914-87cf-0e37e308ca26.jpeg?im=RegionOfInterestCrop=(992,681),regionOfInterest=(1024,702.5)&amp;hash=7049b56effb763ea5ed76c0ed6a4c26a9dab26061abf3380633016f3ee49c6c7 992w\" src=\"https:\/\/quadro.burda-forward.de\/ctf\/8269a271-bc95-41a2-b11e-f0522c740b1c.d88003d7-e6fb-4914-87cf-0e37e308ca26.jpeg?im=RegionOfInterestCrop=(1050,720),regionOfInterest=(1024,702.5)&amp;hash=b871037e6f3f71152ad86df03c2f5f2367b3d144764dd57098d0c38eacd72579\" sizes=\"auto, (max-width: 992px) calc(((100vw - 1rem) \/ 3 * 2) - 1rem), (max-width: 768px) calc(100vw - 1rem), calc(((1200px - 1rem) \/ 3 * 2) - 1rem)\" alt=\"Un hanneton rampe sur une branche d\u2019un buisson de lilas.\" width=\"1050\" height=\"720\"><\/div>\n<p><!--\/--><!--$--><figcaption data-hk=\"0000942120a202a103030\" class=\"Article-Content-Figcaption\"><span data-hk=\"0000942120a202a10000\" data-qa-image-caption class=\"Image-Caption\"> <!--$-->Un hanneton rampe sur une branche d\u2019un buisson de lilas.<!--\/--> <\/span><span data-hk=\"0000942120a202a10100\" data-qa-image-credit class=\"Image-Credit\"> <!--$-->Wolfgang Kumm\/dpa\/image d&rsquo;archive<!--\/--> <!--$--><!--\/--><\/span><\/figcaption><!--\/--><\/figure>\n<\/div>\n<div data-hk=\"0000942120a202a110\" class=\"Html-Block\" data-qa-article-content-text>\n<p>\u00ab\u00a0Nous devons utiliser l&rsquo;eau avec pr\u00e9caution\u00a0\u00bb, pr\u00e9vient Petri. Dans le Ried de Hesse, il existe un risque de d\u00e9sertification croissante du paysage, les pr\u00e9cieuses terres arables \u00e9tant emport\u00e9es par le vent. Combattre les hannetons avec des \u00ab gourdins chimiques \u00bb ou avec des m\u00e9thodes plus douces comme les champignons ou les n\u00e9matodes n&rsquo;a pas r\u00e9ussi \u00e0 contenir la population dans le pass\u00e9, explique Petri. Ce serait plus efficace s\u2019il y avait \u00e0 nouveau plus d\u2019eau dans la r\u00e9gion.<\/p>\n<\/div>\n<aside data-hk=\"0000942120a202a1204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-4\" data-orientation=\"hor\" data-index=\"4\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000942120a202a130\" class=\"Html-Block\" data-qa-article-content-text>\n<p>L&rsquo;expert s&rsquo;attend \u00e0 deux \u00e0 trois vols massifs au cr\u00e9puscule dans quelques jours. D\u2019autres animaux comme les renards, les blaireaux et de nombreux oiseaux ont alors de quoi se nourrir. Les chauves-souris viennent de loin en masse, explique Petri.<\/p>\n<\/div>\n<div data-hk=\"0000942120a202a140\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Profil du hanneton<\/h2>\n<ul>\n<li><strong>Nom:<\/strong> hanneton.<\/li>\n<li><strong>Nom scientifique\u00a0:<\/strong> <i>Melolontha<\/i>; Le hanneton des champs est particuli\u00e8rement connu (<i>Melolontha melolontha<\/i>).<\/li>\n<li><strong>Famille:<\/strong> scarab\u00e9e.<\/li>\n<li><strong>Taille: <\/strong>environ 20 \u00e0 30 millim\u00e8tres.<\/li>\n<li><strong>Regarder:<\/strong> Couvertures alaires brunes, t\u00eate et pronotum fonc\u00e9s, taches de poils blanches sur les c\u00f4t\u00e9s.<\/li>\n<li><strong>Capteur:<\/strong> en forme d&rsquo;\u00e9ventail, plus prononc\u00e9e chez les m\u00e2les que chez les femelles.<\/li>\n<li><strong>Nourriture: <\/strong>comme col\u00e9opt\u00e8re, principalement des feuilles\u00a0; comme racines de larves.<\/li>\n<li><strong>Habitat:<\/strong> sols meubles et sableux, for\u00eats et zones ouvertes.<\/li>\n<li><strong>Activit\u00e9:<\/strong> surtout d&rsquo;avril \u00e0 juin.<\/li>\n<li><strong>D\u00e9veloppement:<\/strong> Les larves vivent g\u00e9n\u00e9ralement dans le sol pendant 3 \u00e0 4 ans, les col\u00e9opt\u00e8res ne vivent que quelques semaines.<\/li>\n<li><strong>Propag\u00e9:<\/strong> Europe, en partie aussi Asie.<\/li>\n<\/ul>\n<\/div>\n<aside data-hk=\"0000942120a202a1504\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-5\" data-orientation=\"hor\" data-index=\"5\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<aside data-hk=\"0000942120a202a1604\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop 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-desktop-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"0000942120a202a170\" class=\"Html-Block\" data-qa-article-content-text>\n<p>L&rsquo;Acad\u00e9mie de protection de la nature et de l&rsquo;environnement de Rh\u00e9nanie du Nord-Westphalie (NUA) consid\u00e8re \u00e9galement comme irr\u00e9aliste une immigration de col\u00e9opt\u00e8res en provenance du sud. M\u00eame si les hannetons peuvent parcourir plusieurs kilom\u00e8tres lors des soir\u00e9es chaudes, la distance entre la plaine du Rhin sup\u00e9rieur et la Rh\u00e9nanie du Nord-Westphalie n&rsquo;est pas g\u00e9rable pour les animaux.<\/p>\n<\/div>\n<div data-hk=\"0000942120a202a180\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Fondamentalement, les col\u00e9opt\u00e8res sont originaires de Rh\u00e9nanie du Nord-Westphalie et sont particuli\u00e8rement r\u00e9pandus dans les plaines, alors qu&rsquo;ils sont moins fr\u00e9quents dans les zones de basse montagne. Cependant, les observations actuelles confirment l&rsquo;\u00e9valuation des experts : jusqu&rsquo;\u00e0 pr\u00e9sent, il n&rsquo;y a aucune preuve d&rsquo;une densit\u00e9 de population inhabituellement \u00e9lev\u00e9e en Rh\u00e9nanie du Nord-Westphalie ce printemps.<\/p>\n<\/div>\n<div data-hk=\"0000942120a202a190\" class=\"Html-Block\" data-qa-article-content-text>\n<ul>\n<li>Col\u00e9opt\u00e8re dans l&rsquo;appartement\u00a0: voici ce que vous pouvez faire<\/li>\n<li>Col\u00e9opt\u00e8res et hannetons : voici les diff\u00e9rences<\/li>\n<\/ul>\n<\/div>\n<div data-hk=\"0000942120a202a200\" class=\"Html-Block\" data-qa-article-content-text>\n<p><i>dpa<\/i><\/p>\n<\/div>\n<p><!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cette ann\u00e9e encore, un vol massif de hannetons est attendu \u00e0 Ried, dans le sud<\/p>\n","protected":false},"author":1,"featured_media":16468,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[9816,16,9815,71,516,7037],"class_list":["post-16467","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-parentalite-enfance","tag-attendus","tag-des","tag-hannetons","tag-lors","tag-millions","tag-vol","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>500 millions de hannetons attendus lors du vol des hannetons - RVH-Synergie.org<\/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:\/\/rvh-synergie.org\/actualites\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"500 millions de hannetons attendus lors du vol des hannetons - RVH-Synergie.org\" \/>\n<meta property=\"og:description\" content=\"Cette ann\u00e9e encore, un vol massif de hannetons est attendu \u00e0 Ried, dans le sud\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rvh-synergie.org\/actualites\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons\/\" \/>\n<meta property=\"og:site_name\" content=\"RVH-Synergie\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-13T08:12:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-13T08:12:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rvh-synergie.org\/actualites\/wp-content\/uploads\/2026\/05\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Charles Martinez\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Charles Martinez\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/rvh-synergie.org\/actualites\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/rvh-synergie.org\/actualites\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons\/\"},\"author\":{\"name\":\"Charles Martinez\",\"@id\":\"https:\/\/rvh-synergie.org\/actualites\/#\/schema\/person\/aa5ea98671fb4e8620f488a0795d2560\"},\"headline\":\"500 millions de hannetons attendus lors du vol des hannetons\",\"datePublished\":\"2026-05-13T08:12:14+00:00\",\"dateModified\":\"2026-05-13T08:12:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/rvh-synergie.org\/actualites\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons\/\"},\"wordCount\":848,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/rvh-synergie.org\/actualites\/#organization\"},\"image\":{\"@id\":\"https:\/\/rvh-synergie.org\/actualites\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/rvh-synergie.org\/actualites\/wp-content\/uploads\/2026\/05\/500-millions-de-hannetons-attendus-lors-du-vol-des-hannetons.jpeg\",\"keywords\":[\"attendus\",\"des\",\"hannetons\",\"lors\",\"millions\",\"vol\"],\"articleSection\":[\"Parentalit\u00e9 &amp; 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