{"id":28871,"date":"2026-04-02T18:49:23","date_gmt":"2026-04-02T16:49:23","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?p=28871"},"modified":"2026-04-02T18:49:26","modified_gmt":"2026-04-02T16:49:26","slug":"chlorocypha-selysi","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2026\/04\/02\/chlorocypha-selysi\/","title":{"rendered":"Ghana &#8211; Chlorocypha selysi (Karsch, 1899)"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-4.webp\"><img decoding=\"async\" width=\"1843\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-4.webp\" alt=\"Chlorocypha selysi m\u00e2le, Ghana, Kakum National Park, 13\/01\/2026\" class=\"wp-image-28870 lazyload\" style=\"--smush-placeholder-width: 1843px; --smush-placeholder-aspect-ratio: 1843\/1204;aspect-ratio:1.5307785312516426;width:638px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-4.webp 1843w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-4-768x502.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-4-1536x1003.webp 1536w\" data-sizes=\"(max-width: 1843px) 100vw, 1843px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Chlorocypha selysi m\u00e2le, Ghana, Kakum National Park, 13\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Chlorocypha selysi est le septi\u00e8me et dernier repr\u00e9sentant des Chlorocypha du Ghana que je pr\u00e9sente sur le site ; nous n&rsquo;aurions pas pu faire mieux, car parmi la trentaine d&rsquo;esp\u00e8ces end\u00e9miques d&rsquo;Afrique tropicale, sept seulement sont pr\u00e9sentes dans ce pays.<br><br>Il est proche des Chlorocypha dont l&rsquo;abdomen est enti\u00e8rement rouge ; <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-rubida-male-1.webp\">C. rubida<\/a> est plus ros\u00e9, <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-dispar-male-3.webp\">C. dispar<\/a> montre un thorax compl\u00e8tement noir, <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-pyriformosa-male-1-1.webp\">C. pyriformosa<\/a> pr\u00e9sente une fine et lumineuse ligne jaune sur la car\u00e8ne thoracique dorsale, des taches jaunes sur le vertex et sa face est sombre alors que celle de Chlorocypha selysi est bleue (anteclypeus et labrum) ; cette caract\u00e9ristique lui vaut son nom anglais : <em>Blue-faced Jewel<\/em>.<\/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\/Chlorocypha-selysi-male-3.webp\"><img decoding=\"async\" width=\"2373\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-3.webp\" alt=\"Chlorocypha selysi m\u00e2le, Ghana, Kakum National Park, 13\/01\/2026\" class=\"wp-image-28869 lazyload\" style=\"--smush-placeholder-width: 2373px; --smush-placeholder-aspect-ratio: 2373\/1504;aspect-ratio:1.577806675335934;width:654px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-3.webp 2373w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-3-768x487.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-3-1536x974.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-3-2048x1298.webp 2048w\" data-sizes=\"(max-width: 2373px) 100vw, 2373px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Chlorocypha selysi m\u00e2le, Ghana, Kakum National Park, 13\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Je n&rsquo;ai pas r\u00e9ussi \u00e0 trouver une description mentionnant sa taille (elle n&rsquo;est pas dans Pinhey (1967)) ; Karsch, \u00e0 qui est attribu\u00e9e l&rsquo;esp\u00e8ce, ne la mentionne que comme une remarque \u00ab\u00a0<em>Libellago curta Selys 1879 pourrait d\u00e9sormais s&rsquo;appeler L. selysi<\/em> \u00a0\u00bb soulignant que dans ses <em>Quatri\u00e8mes Additions au Synopsis des Calopt\u00e9rygines<\/em>, Selys mentionne pour la premi\u00e8re fois pour cette esp\u00e8ce \u00ab\u00a0<em>l\u00e8vre sup\u00e9rieure et devant de l&rsquo;\u00e9pistome <\/em>jaun\u00e2tre\u00a0\u00bb. Or Chlorocypha curta (ex-Libellago) n&rsquo;a effectivement pas la face claire.<br>Ce qui est vraiment \u00e9tonnant est que Selys y d\u00e9crit un m\u00e2le adulte : or les m\u00e2les <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-curta-male-1.webp\">C. curta<\/a> ont les quatre derniers segments bleus.<br>En tout cas, il nous dit que cette esp\u00e8ce a une \u00ab\u00a0<em>Taille interm\u00e9diaire entre la rubida et la dispar<\/em>.\u00a0\u00bb, la premi\u00e8re atteignant 33 mm, la seconde 29 mm.<\/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\/Chlorocypha-selysi-male-1.webp\"><img decoding=\"async\" width=\"1689\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-1.webp\" alt=\"Chlorocypha selysi m\u00e2le, Ghana, Kakum National Park, 13\/01\/2026\" class=\"wp-image-28867 lazyload\" style=\"--smush-placeholder-width: 1689px; --smush-placeholder-aspect-ratio: 1689\/1204;aspect-ratio:1.4028326428364968;width:610px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-1.webp 1689w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-1-768x547.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-1-1536x1095.webp 1536w\" data-sizes=\"(max-width: 1689px) 100vw, 1689px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Chlorocypha selysi m\u00e2le, Ghana, Kakum National Park, 13\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Nous avons observ\u00e9 un, peut-\u00eatre deux sujets diff\u00e9rents, dans un ruisseau forestier tr\u00e8s \u00e0 l&rsquo;ombre, ce qui est typiquement l&rsquo;habitat d\u00e9crit dans ADDO.<br>Sa distribution s&rsquo;\u00e9tend de la Guin\u00e9e et de la Sierra Leone au Gabon, Ouganganda et R\u00e9publique centrafricaine.<br><a href=\"https:\/\/www.iucnredlist.org\/species\/184299\/75136962#geographic-range\">IUCN Red List<\/a>.<\/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\/Chlorocypha-selysi-male-2.webp\"><img decoding=\"async\" width=\"2410\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-2.webp\" alt=\"Chlorocypha selysi m\u00e2le, Ghana, Kakum National Park, 13\/01\/2026\" class=\"wp-image-28868 lazyload\" style=\"--smush-placeholder-width: 2410px; --smush-placeholder-aspect-ratio: 2410\/1504;aspect-ratio:1.602421240885954;width:669px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-2.webp 2410w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-2-768x479.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-2-1536x959.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Chlorocypha-selysi-male-2-2048x1278.webp 2048w\" data-sizes=\"(max-width: 2410px) 100vw, 2410px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Chlorocypha selysi m\u00e2le, Ghana, Kakum National Park, 13\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p><strong>\u00c9tymologie<\/strong>\u00a0 Chlorocypha selysi<br><strong>Chlorocypha<\/strong>, du grec\u00a0<em>chloro<\/em>, pour\u00a0<em>jaune ou vert<\/em>, et de\u00a0<em>cyphos<\/em>\u00a0qui signifie\u00a0<em>bossu<\/em>,\u00a0<em>bosse<\/em>, pour la couleur du curieux\u00a0<em>clypeus<\/em>\u00a0de l\u2019esp\u00e8ce, certainement chez un sujet immature. F<em>raser<\/em>\u00a0\u00e9crit : \u00ab\u00a0<em>I have chosen the name Chlorocypha for this genus, based on the specific character mentioned by Palisot de Beauvois for the type species dispar :\u00a0<\/em>\u00ab\u00a0<em>le chaperon [Clypeus] est d\u2019un jaune-verd\u00e2tre<\/em>\u00ab\u00a0. Il est pour moi certain que Palisot de Beauvois n\u2019a jamais \u00e9crit ces mots dans sa description, ni Selys dans son Synopsis des Calopt\u00e9rygines, ni dans sa Monographie des Calopt\u00e9rygines. L\u2019origine de la citation de Fraser reste pour moi un myst\u00e8re.<br><strong>Selysi<\/strong> est bien s\u00fbr un hommage direct \u00e0 <em>Michel-Edmond de S\u00e9lys Longchamps<\/em>, un homme d&rsquo;\u00c9tat lib\u00e9ral, un entomologiste, un ornithologue et un mammalogiste belge, mais surtout connu dans notre milieu pour son \u0153uvre gigantesque de taxonomie des Odonates ; il aurait d\u00e9crit plus de 1000 esp\u00e8ces.<\/p>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:13px\"><strong>Dijkstra, K.-D.B (editor ADDO), 2019<\/strong>\u00a0\u2013\u00a0<a href=\"https:\/\/web.archive.org\/web\/20230324233406\/http:\/\/addo.adu.org.za\/index.php?taxon_id=10200\" target=\"_blank\" rel=\"noreferrer noopener\">African Dragonflies and Damselflies (ADDO)<\/a>\u00a0\u2013\u00a0Chlorocypha rubida\u00a0\u2013 [Le lien peut ne pas fonctionner ; lien\u00a0<em>web.archive<\/em>\u00a0\u00e0 partir du site ADDO, maintenant hors ligne.]<br><strong>Karsch, 1899<\/strong> &#8211; <a href=\"https:\/\/www.biodiversitylibrary.org\/page\/11423909#page\/217\/mode\/1up\" target=\"_blank\" rel=\"noreferrer noopener\">Odonaten von Johann-Albrecht-H\u00f6he (Nord- Kamerun), gesammelt von Herrn Leopold Conradt<\/a>. Entomologische Nachrichten, 25, 161-176, p.165.<br><strong>Pinhey, 1967<\/strong>\u00a0\u2013\u00a0<a href=\"https:\/\/journals.co.za\/doi\/pdf\/10.10520\/AJA00128789_3950\">African Chlorocyphidae (Odonata)<\/a>, Journal Ent. Soc. S. Africa: Vol. 29.<br><strong>Selys, 1879<\/strong> &#8211;\u00a0<a href=\"https:\/\/www.biodiversitylibrary.org\/item\/111107#page\/386\/mode\/1up\" target=\"_blank\" rel=\"noreferrer noopener\">Quatri\u00e8mes additions au Synopsis des Calopt\u00e9rygines<\/a>, p. 382.<\/p>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-vertical is-layout-flex wp-container-core-buttons-is-layout-fe9cc265 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\/libellules-du-ghana-odonates-of-ghana\/\">Accueil Ghana<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"http:\/\/www.meslibellules.fr\/pagesweb\/divers\/liste-generale-odonates-du-site\/africa-odonates.php\">Liste africaine<\/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\/\">Accueil<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Chlorocypha selysi est le septi\u00e8me et dernier repr\u00e9sentant des Chlorocypha du Ghana que je pr\u00e9sente sur le site ; nous n&rsquo;aurions pas pu faire mieux, car parmi la trentaine d&rsquo;esp\u00e8ces end\u00e9miques d&rsquo;Afrique tropicale, sept seulement sont pr\u00e9sentes dans ce pays. Il est proche des Chlorocypha dont l&rsquo;abdomen est enti\u00e8rement rouge ; C. rubida est plus [&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":[38670,38663],"tags":[38671],"class_list":["post-28871","post","type-post","status-publish","format-image","hentry","category-chlorocyphidae-ghana-2","category-ghana","tag-chlorocyphidae-ghana","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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