{"id":178712,"date":"2025-06-15T16:06:09","date_gmt":"2025-06-15T16:06:09","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/178712\/"},"modified":"2025-06-15T16:06:09","modified_gmt":"2025-06-15T16:06:09","slug":"les-pinces-du-perce-oreille-arme-de-defense-et-critere-de-preference-sexuelle","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/178712\/","title":{"rendered":"Les pinces du perce-oreille, arme de d\u00e9fense et crit\u00e8re de pr\u00e9f\u00e9rence sexuelle"},"content":{"rendered":"<p>                          <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.europesays.com\/fr\/wp-content\/uploads\/2025\/06\/4175106_upload-1-hk6sikifqj88-male-and-female-maritime-earwigs.jpg\" alt=\"Perce-oreilles maritimes (\u00ab\u00a0Anisolabis maritima\u00a0\u00bb) m\u00e2le (\u00e0 gauche) et femelle (\u00e0 droite).\"  width=\"664\" height=\"443\"\/>    Perce-oreilles maritimes (\u00ab\u00a0Anisolabis maritima\u00a0\u00bb) m\u00e2le (\u00e0 gauche) et femelle (\u00e0 droite).  JUNJI KONUMA                <\/p>\n<p class=\"article__paragraph  \">Il n\u2019est sans doute pas de bonne politique de commencer une chronique sur les b\u00eates, petites et grandes, par des gros mots. Mais tentons l\u2019exp\u00e9rience\u00a0: \u00ab\u00a0allom\u00e9trie positive\u00a0\u00bb. Pour celles et ceux dont la curiosit\u00e9 est piqu\u00e9e plut\u00f4t qu\u2019effarouch\u00e9e, pr\u00e9cisons que cette expression d\u00e9signe le fait de pr\u00e9senter des traits morphologiques disproportionn\u00e9s.<\/p>\n<p class=\"article__paragraph  \">Soyons plus concret\u00a0: chez les cervid\u00e9s par exemple, plus un m\u00e2le est massif, plus ses bois seront grands, comparativement \u00e0 sa taille. Ce ph\u00e9nom\u00e8ne serait le fruit de la s\u00e9lection sexuelle, dans la mesure o\u00f9 les organes en questions permettent d\u2019\u00e9carter les rivaux et\/ou de s\u00e9duire les partenaires. Une forme de prime \u00e9volutive \u00e0 la s\u00e9duction arm\u00e9e, en quelque sorte.<\/p>\n<p class=\"article__paragraph  \">Quel rapport avec le perce-oreille\u00a0? Il se trouve que dans l\u2019esp\u00e8ce maritime de cet insecte (Anisolabis maritima), qui comme son nom latin l\u2019indique vit dans les r\u00e9gions c\u00f4ti\u00e8res, l\u2019allom\u00e9trie positive est aussi \u00e0 l\u2019\u0153uvre, sur les pinces. Tant chez les m\u00e2les, ce qui \u00e9tait connu, que chez les femelles, ce qui ne l\u2019\u00e9tait pas. Les faits ont \u00e9t\u00e9 \u00e9tablis par un duo de l\u2019universit\u00e9 Toho, \u00e0 Chiba, au Japon, qui les pr\u00e9sente<a href=\"https:\/\/academic.oup.com\/biolinnean\/article\/145\/2\/blaf031\/8157722\" target=\"_blank\" rel=\"noopener nofollow\" title=\"Nouvelle fen\u00eatre\"> dans le Biological Journal of the Linnean Society du 5\u00a0juin<\/a>.<\/p>\n<p class=\"reading-mode-only \"><strong>Il vous reste 68.78% de cet article \u00e0 lire. La suite est r\u00e9serv\u00e9e aux abonn\u00e9s.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"Perce-oreilles maritimes (\u00ab\u00a0Anisolabis maritima\u00a0\u00bb) m\u00e2le (\u00e0 gauche) et femelle (\u00e0 droite). JUNJI KONUMA Il n\u2019est sans doute pas&hellip;\n","protected":false},"author":2,"featured_media":178713,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[1011,27,72,71],"class_list":{"0":"post-178712","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sante","8":"tag-fr","9":"tag-france","10":"tag-health","11":"tag-sante"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/114688241497027085","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/178712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=178712"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/178712\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/178713"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=178712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=178712"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=178712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}