{"id":14669,"date":"2023-06-19T18:34:53","date_gmt":"2023-06-19T16:34:53","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?p=14669"},"modified":"2025-05-15T12:00:33","modified_gmt":"2025-05-15T10:00:33","slug":"coenagrion-ornatum-males","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2023\/06\/19\/coenagrion-ornatum-males\/","title":{"rendered":"Coenagrion ornatum m\u00e2les &#8211; 1"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-1.webp\"><img decoding=\"async\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-1.webp\" alt=\"Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023\" class=\"wp-image-14653 lazyload\" width=\"692\" height=\"380\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-1.webp 2189w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-1-768x422.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-1-1536x845.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-1-2048x1126.webp 2048w\" data-sizes=\"(max-width: 692px) 100vw, 692px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 692px; --smush-placeholder-aspect-ratio: 692\/380;\" \/><\/a><figcaption class=\"wp-element-caption\">Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023<\/figcaption><\/figure>\n\n\n\n<p>La d\u00e9couverte de ces Coenagrion ornatum m\u00e2les ne s&rsquo;est pas faite simplement; j&rsquo;ai prospect\u00e9 une dizaine de sites en Bourgogne d\u00e9but juin 2023, essentiellement dans la Ni\u00e8vre et dans l&rsquo;Yonne, dont un que j&rsquo;avais d\u00e9j\u00e0 tent\u00e9, sans succ\u00e8s, en 2021. Je n&rsquo;ai finalement contact\u00e9 l&rsquo;esp\u00e8ce que sur 2 sites dans la Ni\u00e8vre : l&rsquo;un m&rsquo;a montr\u00e9 un tandem et un accouplement (le m\u00eame couple ou en tout cas, avec certitude le m\u00eame m\u00e2le) mais pas d&rsquo;individu isol\u00e9, l&rsquo;autre moins de 10 m\u00e2les, 2 ou 3 femelles isol\u00e9es et quelques tandems.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-3.webp\"><img decoding=\"async\" width=\"1988\" height=\"1204\" data-id=\"14655\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-3.webp\" alt=\"Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023\" class=\"wp-image-14655 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-3.webp 1988w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-3-768x465.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-3-1536x930.webp 1536w\" data-sizes=\"(max-width: 1988px) 100vw, 1988px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1988px; --smush-placeholder-aspect-ratio: 1988\/1204;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-4.webp\"><img decoding=\"async\" width=\"1828\" height=\"1204\" data-id=\"14656\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-4.webp\" alt=\"Agrion orn\u00e9 m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023\" class=\"wp-image-14656 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-4.webp 1828w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-4-768x506.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-4-1536x1012.webp 1536w\" data-sizes=\"(max-width: 1828px) 100vw, 1828px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1828px; --smush-placeholder-aspect-ratio: 1828\/1204;\" \/><\/a><figcaption class=\"wp-element-caption\">3<\/figcaption><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Coenagrion ornatum m\u00e2les, Druy-Parigny (France-58), 04\/06\/2023<\/figcaption><\/figure>\n\n\n\n<p>La difficult\u00e9 \u00e0 le trouver provient de la nature de son habitat, qu&rsquo;il partage d&rsquo;ailleurs avec C. mercuriale : des ruisselets p\u00e9rennes qui signalent donc des zones ou l&rsquo;herbe est encore bien pr\u00e9sente en \u00e9t\u00e9, et qui sont de ce fait p\u00e2tur\u00e9s de bovid\u00e9s aux intentions parfois belliqueuses ou d&rsquo;une curiosit\u00e9 envahissante. C. mercuriale y est toujours beaucoup plus abondant que l&rsquo;Agrion orn\u00e9 et ils sont tr\u00e8s difficiles \u00e0 diff\u00e9rencier sur le terrain sans capture syst\u00e9matique, ce que j&rsquo;\u00e9vite. Il faut les aborder sous le bon angle, avec les jumelles entomologiques ou faire des photos de bonne qualit\u00e9 de tous les coenagrions qui veulent bien se poser.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/C-mercuriale-vs-ornatum-1.webp\"><img decoding=\"async\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/C-mercuriale-vs-ornatum-1.webp\" alt=\"Comparaison des m\u00e2les Coenagrion mercuriale et Coenagrion ornatum\" class=\"wp-image-14676 lazyload\" width=\"508\" height=\"477\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/C-mercuriale-vs-ornatum-1.webp 1704w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/C-mercuriale-vs-ornatum-1-768x723.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/C-mercuriale-vs-ornatum-1-1536x1446.webp 1536w\" data-sizes=\"(max-width: 508px) 100vw, 508px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 508px; --smush-placeholder-aspect-ratio: 508\/477;\" \/><\/a><figcaption class=\"wp-element-caption\">Comparaison des m\u00e2les Coenagrion mercuriale et Coenagrion ornatum <\/figcaption><\/figure>\n\n\n\n<p>Bien s\u00fbr quand on les voit de tr\u00e8s pr\u00e8s, les diff\u00e9rences sont nombreuses, les crit\u00e8res les plus importants sont situ\u00e9s \u00e0 chaque extr\u00e9mit\u00e9 de ces zygopt\u00e8res  \ud83d\ude42 :<br>&#8211; Coenagrion ornatum m\u00e2le montre des taches postoculaires fortement ident\u00e9es post\u00e9rieurement ; c&rsquo;est un crit\u00e8re tr\u00e8s important qui le s\u00e9pare de tous nos autres coenagrions (sauf peut-\u00eatre de C. pulchellum pour lequel elles sont moins marqu\u00e9es).<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-2.webp\"><img decoding=\"async\" width=\"1076\" height=\"1204\" data-id=\"14654\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-2.webp\" alt=\"Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023\" class=\"wp-image-14654 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-2.webp 1076w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-2-768x859.webp 768w\" data-sizes=\"(max-width: 1076px) 100vw, 1076px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1076px; --smush-placeholder-aspect-ratio: 1076\/1204;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-6.webp\"><img decoding=\"async\" width=\"1375\" height=\"1204\" data-id=\"14658\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-6.webp\" alt=\"Agrion orn\u00e9 pronotum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023\" class=\"wp-image-14658 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-6.webp 1375w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-6-768x672.webp 768w\" data-sizes=\"(max-width: 1375px) 100vw, 1375px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1375px; --smush-placeholder-aspect-ratio: 1375\/1204;\" \/><\/a><figcaption class=\"wp-element-caption\">3<\/figcaption><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023<\/figcaption><\/figure>\n\n\n\n<p><br>&#8211; ses appendices anaux sont peu visibles, les sup\u00e9rieurs presque invisibles sur photo, les inf\u00e9rieurs courts et clairs, alors que <a href=\"http:\/\/www.meslibellules.fr\/images\/coenagrionidae\/coenagrion\/mercuriale\/merc_male2\/coenagrion-mercuriale-appendices-anaux-big.jpg\">ceux de C. mercuriale<\/a> sont bien visibles, d&rsquo;aspect sombre et de longueur \u00e9gale.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-10.webp\"><img decoding=\"async\" width=\"1488\" height=\"916\" data-id=\"14662\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-10.webp\" alt=\"Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023\" class=\"wp-image-14662 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-10.webp 1488w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-10-768x473.webp 768w\" data-sizes=\"(max-width: 1488px) 100vw, 1488px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1488px; --smush-placeholder-aspect-ratio: 1488\/916;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-5.webp\"><img decoding=\"async\" width=\"1665\" height=\"1004\" data-id=\"14657\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-5.webp\" alt=\"Agrion orn\u00e9 appendices anaux m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023\" class=\"wp-image-14657 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-5.webp 1665w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-5-768x463.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-5-1536x926.webp 1536w\" data-sizes=\"(max-width: 1665px) 100vw, 1665px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1665px; --smush-placeholder-aspect-ratio: 1665\/1004;\" \/><\/a><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023<\/figcaption><\/figure>\n\n\n\n<p>Le pronotum de Coenagrion ornatum comporte 3 lobes distincts, 2 lat\u00e9raux, un post\u00e9rieur, tous color\u00e9s de bleu sur leur marge externe ou post\u00e9rieure, mais parfois s\u00e9par\u00e9s par une interruption de la coloration. Celui d<a href=\"http:\/\/www.meslibellules.fr\/images\/coenagrionidae\/coenagrion\/mercuriale\/merc_male1\/coenagrion-mercuriale-pronotum-big.jpg\">e C. mercuriale est en forme de \u00ab\u00a0V\u00a0\u00bb<\/a> tr\u00e8s aplati avec une interruption m\u00e9diane de la coloration, parfois infime.<\/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\/Coenagrion-ornatum-male-8.webp\"><img decoding=\"async\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-8.webp\" alt=\"Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023\" class=\"wp-image-14660 lazyload\" width=\"390\" height=\"468\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-8.webp 1001w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Coenagrion-ornatum-male-8-768x924.webp 768w\" data-sizes=\"(max-width: 390px) 100vw, 390px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 390px; --smush-placeholder-aspect-ratio: 390\/468;\" \/><\/a><figcaption class=\"wp-element-caption\">Coenagrion ornatum m\u00e2le, Druy-Parigny (France-58), 04\/06\/2023<\/figcaption><\/figure>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u00c0 lire : <em>L\u2019enqu\u00eate Coenagrion ornatum (Selys in Selys etHagen, 1850) en Bourgogne (Odonata, Zygoptera :Coenagrionidae) : protocole et premiers r\u00e9sultats<\/em>, sur <a href=\"http:\/\/L\u2019enqu\u00eate Coenagrion ornatum (Selys in Selys etHagen, 1850) en Bourgogne (Odonata, Zygoptera :Coenagrionidae) : protocole et premiers r\u00e9sultats\" target=\"_blank\" rel=\"noreferrer noopener\">Researchgate<\/a><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/blog\/coenagrion-ornatum\/\">Retour<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.meslibellules.fr\/blog\/2023\/06\/19\/coenagrion-ornatum-male\/\">Suite<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La d\u00e9couverte de ces Coenagrion ornatum m\u00e2les ne s&rsquo;est pas faite simplement; j&rsquo;ai prospect\u00e9 une dizaine de sites en Bourgogne d\u00e9but juin 2023, essentiellement dans la Ni\u00e8vre et dans l&rsquo;Yonne, dont un que j&rsquo;avais d\u00e9j\u00e0 tent\u00e9, sans succ\u00e8s, en 2021. Je n&rsquo;ai finalement contact\u00e9 l&rsquo;esp\u00e8ce que sur 2 sites dans la Ni\u00e8vre : l&rsquo;un m&rsquo;a [&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":[754,60,55],"tags":[756,508],"class_list":["post-14669","post","type-post","status-publish","format-image","hentry","category-coenagrion-ornatum","category-coenagrionidae-france","category-france","tag-coenagrion-ornatum","tag-coenagrionidae-france","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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