{"id":8354,"date":"2021-03-28T10:03:03","date_gmt":"2021-03-28T08:03:03","guid":{"rendered":"http:\/\/www.meslibellules.fr\/blog\/?p=8354"},"modified":"2024-01-18T22:27:44","modified_gmt":"2024-01-18T21:27:44","slug":"differencier-les-anisopteres-males-et-femelles","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2021\/03\/28\/differencier-les-anisopteres-males-et-femelles\/","title":{"rendered":"Diff\u00e9rencier les libellules m\u00e2les et femelles : les anisopt\u00e8res 2\/3"},"content":{"rendered":"\n<p style=\"font-size:15px\">Diff\u00e9rencier les libellules m\u00e2les et femelles : les anisopt\u00e8res.<br><br>Les anisopt\u00e8res sont en g\u00e9n\u00e9ral sensiblement plus grands que les zygopt\u00e8res, aussi est-il plus facile de constater les diff\u00e9rences au niveau des appendices anaux.<br>Seuls les m\u00e2les portent des appendices anaux sup\u00e9rieurs et inf\u00e9rieurs bien diff\u00e9renci\u00e9s : les sup\u00e9rieurs sont toujours les cerco\u00efdes, organes pairs, qui surmontent une lame supraanale qui est un organe m\u00e9dian, impair et unique, sauf pour les Gomphus et les Corduliidae ou cette lame supraanale est tr\u00e8s visiblement bifide (et illustre faussement de ce fait \u00e0 deux appendices inf\u00e9rieurs).<br>Les femelles portent des cerco\u00efdes, mais pas d&rsquo;appendices inf\u00e9rieurs ni de lame anale. On distingue par contre souvent une lame vulvaire, un ovipositeur, toutes les structures externes permettant la ponte  sous les derniers segments.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/aeshna-mixat-maleetfemelle.jpg\"><img decoding=\"async\" width=\"1194\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/aeshna-mixat-maleetfemelle.jpg\" alt=\"Diff\u00e9rencier les libellules m\u00e2les et femelles : Aeshna mixta m\u00e2le et femelle, France\" class=\"wp-image-8352 lazyload\" style=\"--smush-placeholder-width: 1194px; --smush-placeholder-aspect-ratio: 1194\/1204;width:450px;height:468px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/aeshna-mixat-maleetfemelle.jpg 1194w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/aeshna-mixat-maleetfemelle-768x774.jpg 768w\" data-sizes=\"(max-width: 1194px) 100vw, 1194px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Aeshna mixta m\u00e2le et femelle, France<\/figcaption><\/figure>\n\n\n\n<p style=\"font-size:15px\">Le dimorphisme sexuel des <strong><span class=\"underline\" style=\"text-decoration: underline\">Aeshnidae<\/span><\/strong> est assez \u00e9vident ; je dois pr\u00e9ciser que si le m\u00e2le Aeshna mixta a bien \u00e9t\u00e9 photographi\u00e9 dans cette position, la femelle \u00ab\u00a0a \u00e9t\u00e9 tourn\u00e9e\u00a0\u00bb pour que la comparaison soit plus facile.<br>On retrouve toujours la petite saillie sous le S2 du m\u00e2le, mais, m\u00eame sur ce profil avec un peu d&rsquo;habitude, il est vrai, on remarque que ses appendices anaux sont nettement diff\u00e9renci\u00e9s, les sup\u00e9rieurs (cerco\u00efdes) plus longs que l&rsquo;inf\u00e9rieur (lame supraanale). Alors que l&rsquo;abdomen de la femelle est distinctement dilat\u00e9 dans ses derniers segments pour cacher une lame vulvaire et un stylet qui permet de loger les \u0153ufs dans les v\u00e9g\u00e9taux.<br><br>Ce que confirme la vue rapproch\u00e9e du m\u00e2le, deux longs appendices sup\u00e9rieurs, une lame supraanale plus courte. La femelle ne montre que 2 cerco\u00efdes et un c\u00f4ne terminal.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/aeshna-mixat-maleetfemelle-appendices.jpg\"><img decoding=\"async\" width=\"1456\" height=\"884\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/aeshna-mixat-maleetfemelle-appendices.jpg\" alt=\"Aeshna mixta m\u00e2le et femelle, appendices anaux, France\" class=\"wp-image-8353 lazyload\" style=\"--smush-placeholder-width: 1456px; --smush-placeholder-aspect-ratio: 1456\/884;width:450px;height:278px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/aeshna-mixat-maleetfemelle-appendices.jpg 1456w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/aeshna-mixat-maleetfemelle-appendices-768x466.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/aeshna-mixat-maleetfemelle-appendices-1200x729.jpg 1200w\" data-sizes=\"(max-width: 1456px) 100vw, 1456px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Aeshna mixta m\u00e2le et femelle, appendices anaux,  France<\/figcaption><\/figure>\n\n\n\n<p style=\"font-size:15px\">On retrouve  cette m\u00eame disposition des appendices anaux m\u00e2les et femelles pour tous les Aeshnidae.<br><br><span class=\"underline\" style=\"text-decoration: underline\">Les <strong>Gomphidae<\/strong><\/span> montreront tous un appareil g\u00e9nital secondaire important sous les S2 du m\u00e2le, mais ils ont  tendance pour la plupart \u00e0 se poser au sol ou pr\u00e8s du sol et les photos ne montrent donc pas souvent de diff\u00e9rence  \u00e0 ce niveau. De plus, leurs motifs thoraciques ou abdominaux sont g\u00e9n\u00e9ralement tr\u00e8s proches.<br>Pour les <em><span class=\"underline\" style=\"text-decoration: underline\">Gomphus,<\/span><\/em> il faut donc se r\u00e9f\u00e9rer aux appendices anaux, qui sont simples pour les femelles, limit\u00e9s aux sup\u00e9rieurs (cerco\u00efdes), avec une implantation \u00e9cart\u00e9e. Ceux des m\u00e2les sont plus complexes, comprenant appendices sup\u00e9rieurs (cerco\u00efdes) et inf\u00e9rieurs (cerques).<br>Ci-dessous un exemple de Gomphus, Gomphus pulchellus, mais on retrouvera le m\u00eame type d&rsquo;appendices pour deux autres genres de Gomphidae pr\u00e9sents en France, Ophiogomphus (<em>cecilia<\/em>) et Stylurus (<em>flavipes<\/em>).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/gomphus-pulchellus-maleet-femelle.jpg\"><img decoding=\"async\" width=\"2262\" height=\"1004\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/gomphus-pulchellus-maleet-femelle.jpg\" alt=\"Gomphus pulchellus m\u00e2le et femelle, France\" class=\"wp-image-8392 lazyload\" style=\"--smush-placeholder-width: 2262px; --smush-placeholder-aspect-ratio: 2262\/1004;width:586px;height:259px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/gomphus-pulchellus-maleet-femelle.jpg 2262w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/gomphus-pulchellus-maleet-femelle-768x341.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/gomphus-pulchellus-maleet-femelle-1536x682.jpg 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/gomphus-pulchellus-maleet-femelle-2048x909.jpg 2048w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/gomphus-pulchellus-maleet-femelle-1200x533.jpg 1200w\" data-sizes=\"(max-width: 2262px) 100vw, 2262px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Gomphus pulchellus m\u00e2le et femelle, France<\/figcaption><\/figure>\n\n\n\n<p style=\"font-size:15px\">Noter ci-dessous la lame anale bifide (\u2642).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/gomphus-pulchellus-appendices-maleet-femelle.jpg\"><img decoding=\"async\" width=\"604\" height=\"380\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/gomphus-pulchellus-appendices-maleet-femelle.jpg\" alt=\"Diff\u00e9rencier les libellules m\u00e2les et femelles : Gomphus pulchellus, appendices anaux m\u00e2le et femelle, France\" class=\"wp-image-8394 lazyload\" style=\"--smush-placeholder-width: 604px; --smush-placeholder-aspect-ratio: 604\/380;width:486px;height:306px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Gomphus pulchellus, appendices anaux m\u00e2le et femelle, France<\/figcaption><\/figure>\n\n\n\n<p style=\"font-size:15px\">Les <em><span class=\"underline\" style=\"text-decoration: underline\">Onychogomphus<\/span><\/em> ne posent pas de probl\u00e8me de sexage, m\u00eame si les motifs m\u00e2le et femelle sont identiques, car les appendices anaux des m\u00e2les (\u2642) sont tellement imposants qu&rsquo;ils sont visibles \u00e0 bonne distance (noter \u00e9galement la saillie sous le S2 du m\u00e2le).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-forcipatus-maleetefemelle.jpg\"><img decoding=\"async\" width=\"1243\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-forcipatus-maleetefemelle.jpg\" alt=\"Onychogomphus forcipatus m\u00e2le et femelle, France\" class=\"wp-image-8398 lazyload\" style=\"--smush-placeholder-width: 1243px; --smush-placeholder-aspect-ratio: 1243\/1204;width:382px;height:369px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/onychogomphus-forcipatus-maleetefemelle.jpg 1243w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/onychogomphus-forcipatus-maleetefemelle-768x744.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/onychogomphus-forcipatus-maleetefemelle-1200x1162.jpg 1200w\" data-sizes=\"(max-width: 1243px) 100vw, 1243px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Onychogomphus forcipatus m\u00e2le et femelle, France<\/figcaption><\/figure>\n\n\n\n<p style=\"font-size:15px\">Les m\u00e2les (\u2642) Onychogomphus portent une forte pince \u00e0 l&rsquo;extr\u00e9mit\u00e9 de l&rsquo;abdomen, les femelles (\u2640) se contentent de cerco\u00efdes \u00e0 peu pr\u00e8s aussi longs que le c\u00f4ne terminal de l&rsquo;abdomen.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-forcipatus-appanaux-maleetefemelle.jpg\"><img decoding=\"async\" width=\"769\" height=\"488\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-forcipatus-appanaux-maleetefemelle.jpg\" alt=\"Onychogomphus forcipatus appendices anaux m\u00e2le et femelle, France\" class=\"wp-image-8402 lazyload\" style=\"--smush-placeholder-width: 769px; --smush-placeholder-aspect-ratio: 769\/488;width:423px;height:268px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Onychogomphus forcipatus appendices anaux m\u00e2le et femelle, France<\/figcaption><\/figure>\n\n\n\n<p style=\"font-size:15px\"><strong><span class=\"underline\" style=\"text-decoration: underline\">Les Cordulegasteridae<\/span><\/strong> se limitent en France aux deux Cordulegaster bidentata et boltonii et malgr\u00e9 le faible dimorphisme de coloration, la discrimination sexuelle est facilit\u00e9e (hormis la saillie du S2 du m\u00e2le) par l&rsquo;\u00e9tonnante lame vulvaire des femelles, qui d\u00e9passe largement l&rsquo;extr\u00e9mit\u00e9 de l&rsquo;abdomen, alors que les m\u00e2les cette fois ont des appendices tout \u00e0 fait <em>raisonnables<\/em>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/cordulegaster-boltonii-maleetfemelle.jpg\"><img decoding=\"async\" width=\"1696\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/cordulegaster-boltonii-maleetfemelle.jpg\" alt=\"Cordulegaster boltonii m\u00e2le et femelle, France\" class=\"wp-image-8405 lazyload\" style=\"--smush-placeholder-width: 1696px; --smush-placeholder-aspect-ratio: 1696\/1204;width:390px;height:276px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/cordulegaster-boltonii-maleetfemelle.jpg 1696w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/cordulegaster-boltonii-maleetfemelle-768x545.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/cordulegaster-boltonii-maleetfemelle-1536x1090.jpg 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/cordulegaster-boltonii-maleetfemelle-1200x852.jpg 1200w\" data-sizes=\"(max-width: 1696px) 100vw, 1696px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Cordulegaster boltonii m\u00e2le et femelle, France<\/figcaption><\/figure>\n\n\n\n<p style=\"font-size:15px\">\u00c0 droite ci-dessous, on note ce long appendice qui permet \u00e0 la femelle, dans une ponte tout \u00e0 fait caract\u00e9ristique et unique en Europe, de placer ses \u0153ufs dans le substrat dans des zones d&rsquo;eau tr\u00e8s peu profonde.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/cordulegaster-boltonii-appanaux-maleetfemelle.jpg\"><img decoding=\"async\" width=\"603\" height=\"832\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/cordulegaster-boltonii-appanaux-maleetfemelle.jpg\" alt=\"Diff\u00e9rencier les libellules m\u00e2les et femelles : Cordulegaster boltonii appendices anaux m\u00e2le et femelle, France\" class=\"wp-image-8407 lazyload\" style=\"--smush-placeholder-width: 603px; --smush-placeholder-aspect-ratio: 603\/832;width:235px;height:325px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Cordulegaster boltonii appendices anaux m\u00e2le et femelle, France<\/figcaption><\/figure>\n\n\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/2021\/03\/12\/differencier-les-libellules-males-et-femelles-les-zygopteres-1-2\/\"><img decoding=\"async\" width=\"100\" height=\"20\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/retour.gif\" alt=\"\" class=\"wp-image-8468 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100\/20;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/2021\/03\/28\/differencier-les-libellules-males-et-femelles-les-anisopteres-3-3\/\"><img decoding=\"async\" width=\"100\" height=\"20\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/suite-2.gif\" alt=\"\" class=\"wp-image-8097 lazyload\" style=\"--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100\/20;width:100px;height:20px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Diff\u00e9rencier les libellules m\u00e2les et femelles : les anisopt\u00e8res. Les anisopt\u00e8res sont en g\u00e9n\u00e9ral sensiblement plus grands que les zygopt\u00e8res, aussi est-il plus facile de constater les diff\u00e9rences au niveau des appendices anaux.Seuls les m\u00e2les portent des appendices anaux sup\u00e9rieurs et inf\u00e9rieurs bien diff\u00e9renci\u00e9s : les sup\u00e9rieurs sont toujours les cerco\u00efdes, organes pairs, qui surmontent [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[544],"class_list":["post-8354","post","type-post","status-publish","format-image","hentry","category-non-classe","tag-discrimination-mlae-femelle","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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