{"id":9453,"date":"2021-07-29T08:39:09","date_gmt":"2021-07-29T06:39:09","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?p=9453"},"modified":"2021-07-29T08:39:10","modified_gmt":"2021-07-29T06:39:10","slug":"onychogomphus-uncatus-curiosite","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2021\/07\/29\/onychogomphus-uncatus-curiosite\/","title":{"rendered":"Onychogomphus uncatus : curiosit\u00e9"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-uncatus-curiosite-1.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-uncatus-curiosite-1.jpg\" alt=\"Onychogomphus uncatus m\u00e2le \u00e9mergent, Joyeuse (France-07), 14\/06\/2013\" class=\"wp-image-9450 lazyload\" width=\"398\" height=\"311\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/onychogomphus-uncatus-curiosite-1.jpg 1538w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/onychogomphus-uncatus-curiosite-1-768x601.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/onychogomphus-uncatus-curiosite-1-1536x1202.jpg 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/onychogomphus-uncatus-curiosite-1-1200x939.jpg 1200w\" data-sizes=\"(max-width: 398px) 100vw, 398px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 398px; --smush-placeholder-aspect-ratio: 398\/311;\" \/><\/a><figcaption>Onychogomphus uncatus m\u00e2le \u00e9mergent, Joyeuse (France-07), 14\/06\/2013<\/figcaption><\/figure><\/div>\n\n\n\n<p style=\"font-size:15px\">R\u00e9cemment, au sujet de l&rsquo;identification d&rsquo;un Onychogomphus je suis intervenu pour signaler que le <em>crit\u00e8re<\/em> du triangle anal \u00e0 4 cellules pour Onychogomphus uncatus (3 pour O. forcipatus) n&rsquo;\u00e9tait pas valide.<br>D&rsquo;ailleurs Dijkstra dans son \u00ab\u00a0Guide des Libellules de France et d&rsquo;Europe\u00a0\u00bb \u00e9crit pour Onychogomphus uncatus \u00ab\u00a0Triangle anal normalement \u00e0 4 cellules\u00a0\u00bb et de la m\u00eame fa\u00e7on, il mentionne pour O. forcipatus \u00a0\u00bb Triangle anal normalement \u00e0 3 cellules\u00a0\u00bb. <br><br>J&rsquo;ai donc fait le tour de mes photos et j&rsquo;ai trouv\u00e9 ce m\u00e2le O. uncatus \u00e9mergent qui compte 3 cellules dans le triangle anal.<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-uncatus-curiosite-2.jpg\"><img decoding=\"async\" width=\"664\" height=\"865\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-uncatus-curiosite-2.jpg\" alt=\"Onychogomphus uncatus m\u00e2le \u00e9mergent, Joyeuse (France-07), 14\/06\/2013\" class=\"wp-image-9451 size-full lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 664px; --smush-placeholder-aspect-ratio: 664\/865;\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p style=\"font-size:15px\">D&rsquo;une fa\u00e7on g\u00e9n\u00e9rale les comptages de cellules ou de nervures ne sont que des indications statistiques, plus ou moins solides, et peuvent presque toujours \u00eatre mis en d\u00e9faut. C&rsquo;est d&rsquo;ailleurs le m\u00eame probl\u00e8me avec le nombre de cellules du triangle des Cordulegaster qui ne peut non plus \u00eatre consid\u00e9r\u00e9 comme un crit\u00e8re absolu.<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group__inner-container\"><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-uncatus-curiosite-3.jpg\"><img decoding=\"async\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/onychogomphus-uncatus-curiosite-3.jpg\" alt=\"Onychogomphus uncatus m\u00e2le \u00e9mergent, Joyeuse (France-07), 14\/06\/2013\" class=\"wp-image-9452 lazyload\" width=\"346\" height=\"213\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 346px; --smush-placeholder-aspect-ratio: 346\/213;\" \/><\/a><figcaption>Onychogomphus uncatus m\u00e2le \u00e9mergent, Joyeuse (France-07), 14\/06\/2013<\/figcaption><\/figure><\/div>\n\n\n\n<p style=\"font-size:15px\">Par contre, j&rsquo;ai vainement cherch\u00e9 dans mes photos d&rsquo;Onychogomphus forcipatus, pourtant beaucoup plus nombreuses, un m\u00e2le montrant un nombre diff\u00e9rent de 3 cellules dans le triangle anal&#8230;<br>En tout cas il est prouv\u00e9 qu&rsquo;on ne peut \u00e9tablir une identification sur ce seul \u00ab\u00a0crit\u00e8re\u00a0\u00bb.<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image size-full\"><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;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"http:\/\/www.meslibellules.fr\/pagesweb\/gomphidae\/onychogomphus\/uncatus\/onychogomphus-uncatus-accueil.php\"><img decoding=\"async\" width=\"100\" height=\"20\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/accueil-uncatus.jpg\" alt=\"\" class=\"wp-image-9462 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-full\"><img decoding=\"async\" width=\"100\" height=\"20\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/accueil-3.gif\" alt=\"\" class=\"wp-image-8466 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100\/20;\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9cemment, au sujet de l&rsquo;identification d&rsquo;un Onychogomphus je suis intervenu pour signaler que le crit\u00e8re du triangle anal \u00e0 4 cellules pour Onychogomphus uncatus (3 pour O. forcipatus) n&rsquo;\u00e9tait pas valide.D&rsquo;ailleurs Dijkstra dans son \u00ab\u00a0Guide des Libellules de France et d&rsquo;Europe\u00a0\u00bb \u00e9crit pour Onychogomphus uncatus \u00ab\u00a0Triangle anal normalement \u00e0 4 cellules\u00a0\u00bb et de la m\u00eame [&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":"default","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 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[55,84,491],"tags":[340,618],"class_list":["post-9453","post","type-post","status-publish","format-image","hentry","category-france","category-gomphidae-france","category-onychogomphus-uncatus","tag-curiosite","tag-onychogomphus-uncatus","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Onychogomphus uncatus : curiosit\u00e9 - Mes Libellules<\/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:\/\/www.meslibellules.fr\/blog\/2021\/07\/29\/onychogomphus-uncatus-curiosite\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta 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