{"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 - 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 class=\"wp-block-paragraph\">La d\u00e9couverte de ces Coenagrion ornatum m\u00e2les ne s'est pas faite simplement; j'ai prospect\u00e9 une dizaine de sites en Bourgogne d\u00e9but juin 2023, essentiellement dans la Ni\u00e8vre et dans l'Yonne, dont un que j'avais d\u00e9j\u00e0 tent\u00e9, sans succ\u00e8s, en 2021. Je n'ai finalement contact\u00e9 l'esp\u00e8ce que sur 2 sites dans la Ni\u00e8vre : l'un m'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'individu isol\u00e9, l'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 class=\"wp-block-paragraph\">La difficult\u00e9 \u00e0 le trouver provient de la nature de son habitat, qu'il partage d'ailleurs avec C. mercuriale : des ruisselets p\u00e9rennes qui signalent donc des zones ou l'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'une curiosit\u00e9 envahissante. C. mercuriale y est toujours beaucoup plus abondant que l'Agrion orn\u00e9 et ils sont tr\u00e8s difficiles \u00e0 diff\u00e9rencier sur le terrain sans capture syst\u00e9matique, ce que j'\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 class=\"wp-block-paragraph\">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>- Coenagrion ornatum m\u00e2le montre des taches postoculaires fortement ident\u00e9es post\u00e9rieurement ; c'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 class=\"wp-block-paragraph\"><br>- 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'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 class=\"wp-block-paragraph\">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 \"V\"<\/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 class=\"wp-block-paragraph\">\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'est pas faite simplement; j'ai prospect\u00e9 une dizaine de sites en Bourgogne d\u00e9but juin 2023, essentiellement dans la Ni\u00e8vre et dans l'Yonne, dont un que j'avais d\u00e9j\u00e0 tent\u00e9, sans succ\u00e8s, en 2021. Je n'ai finalement contact\u00e9 l'esp\u00e8ce que sur 2 sites dans la Ni\u00e8vre : l'un m'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 v27.9 - 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