{"id":29244,"date":"2026-05-09T08:46:25","date_gmt":"2026-05-09T06:46:25","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?p=29244"},"modified":"2026-05-09T08:59:15","modified_gmt":"2026-05-09T06:59:15","slug":"elattoneura-balli","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2026\/05\/09\/elattoneura-balli\/","title":{"rendered":"Ghana &#8211; Elattoneura balli\u00a0\u00a0Kimmins, 1938"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-2.webp\"><img decoding=\"async\" width=\"2030\" height=\"1190\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-2.webp\" alt=\"Elattoneura balli m\u00e2le, Ghana, Ankasa Forest Reserve, 17\/01\/2026\" class=\"wp-image-29241 lazyload\" style=\"--smush-placeholder-width: 2030px; --smush-placeholder-aspect-ratio: 2030\/1190;aspect-ratio:1.705916813122437;width:704px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-2.webp 2030w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-2-768x450.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-2-1536x900.webp 1536w\" data-sizes=\"(max-width: 2030px) 100vw, 2030px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Elattoneura balli m\u00e2le, Ghana, Ankasa Forest Reserve, 17\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Parmi la trentaine d&rsquo;Elattoneura d&rsquo;Afrique tropicale, <em>Elattoneura balli <\/em>est un des quatre enregistr\u00e9s au Ghana. Nous avons eu la chance de tous les rencontrer et celui dont il est le plus proche est certainement <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-villiersi-male-5.webp\"><em>E. villiersi<\/em><\/a>.<br>Mais s&rsquo;ils ont tous deux la face dorsale du thorax claire, ce dernier montre deux formes elliptiques blanches bien d\u00e9limit\u00e9es, tandis que notre esp\u00e8ce est simplement couverte d&rsquo;une pruine blanch\u00e2tre sans limites distinctes. De plus, <em>E. villiersi<\/em> pr\u00e9sente les deux derniers segments blancs ainsi que l&rsquo;extr\u00e9mit\u00e9 distale du S8. Cette extr\u00e9mit\u00e9 reste sombre pour <em>Elattoneura balli<\/em>.<br><br>Il est aussi tr\u00e8s proche, voire indiscernable sans binoculaire, de <em>E. pruinosa<\/em>, tr\u00e8s voisin de <em>E. Lliba<\/em>, mais ces deux esp\u00e8ces ne s&rsquo;aventurent pas en Afrique de l&rsquo;Ouest. Il prend d&rsquo;ailleurs le nom anglais de <em>Western Stream Threadtail<\/em>.<br><br>Et J&rsquo;avais eu la surprise de rencontrer deux Elattoneura \u00e0 Born\u00e9o, au Sarawak (<a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-aurantiaca-male-1-1-scaled.webp\"><em>E. aurantiaca<\/em><\/a> et<em> <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-longispina-male-1.webp\">E. longispina<\/a><\/em>) ; d&rsquo;apr\u00e8s Rory Dow, le sp\u00e9cialiste de cette r\u00e9gion, il s&rsquo;agit certainement en Asie d&rsquo;un autre genre, qui reste \u00e0 d\u00e9crire.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"1911\" height=\"1164\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-1.webp\" alt=\"Elattoneura balli m\u00e2le, Ghana, Ankasa Forest Reserve, 17\/01\/2026\" class=\"wp-image-29240 lazyload\" style=\"--smush-placeholder-width: 1911px; --smush-placeholder-aspect-ratio: 1911\/1164;aspect-ratio:1.6417658003044484;width:723px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-1.webp 1911w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-1-768x468.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-male-1-1536x936.webp 1536w\" data-sizes=\"(max-width: 1911px) 100vw, 1911px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><figcaption class=\"wp-element-caption\">Elattoneura balli m\u00e2le, Ghana, Ankasa Forest Reserve, 17\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Nous n&rsquo;avons eu qu&rsquo;une seule rencontre avec Elattonura balli, sur <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/16-01-26-11h28-Ankasa-Forest-Reserve.webp\">un petit cours d&rsquo;eau en for\u00eat<\/a>, avec un faible niveau d&rsquo;eau, un fond sableux et rocailleux, tout \u00e0 fait le m\u00eame environnement que celui qui convient \u00e0 E. villiersi.<br>Selon Kimmins, son abdomen mesure 34 mm, il atteint donc \u00e0 peine 40 mm.<br><br>Nous avons eu la chance d&rsquo;observer un couple en ponte, une rare occasion d&rsquo;observer une femelle. Celle-ci ins\u00e9rait ses \u0153ufs dans des v\u00e9g\u00e9taux vivants, flottants ou immerg\u00e9s.<\/p>\n\n\n\n<figure class=\"wp-block-gallery 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-large\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-villiersi-ponte-1.webp\"><img decoding=\"async\" width=\"1618\" height=\"1504\" data-id=\"29216\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-villiersi-ponte-1.webp\" alt=\"Elattoneura balli en ponte, Ghana, Ankasa Forest Reserve, 16\/01\/2026\" class=\"wp-image-29216 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-villiersi-ponte-1.webp 1618w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-villiersi-ponte-1-768x714.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-villiersi-ponte-1-1536x1428.webp 1536w\" data-sizes=\"(max-width: 1618px) 100vw, 1618px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1618px; --smush-placeholder-aspect-ratio: 1618\/1504;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-femelle-1.webp\"><img decoding=\"async\" width=\"1254\" height=\"1204\" data-id=\"29239\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-femelle-1.webp\" alt=\"Elattoneura balli femelle, Ghana, Ankasa Forest Reserve, 16\/01\/2026\" class=\"wp-image-29239 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-femelle-1.webp 1254w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-femelle-1-768x737.webp 768w\" data-sizes=\"(max-width: 1254px) 100vw, 1254px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1254px; --smush-placeholder-aspect-ratio: 1254\/1204;\" \/><\/a><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Elattoneura balli en ponte &amp; femelle seule &#8211; Ghana, Ankasa Forest Reserve, 16\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Sa distribution s&rsquo;\u00e9tend de la Guin\u00e9e et de la Sierra Leone au Cameroun.<br><a href=\"https:\/\/www.iucnredlist.org\/species\/184225\/8245297\">IUCN Red List<\/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-media-text is-stacked-on-mobile\" style=\"grid-template-columns:32% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-tandem-1.webp\"><img decoding=\"async\" width=\"853\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-tandem-1.webp\" alt=\"Western Stream Threadtail tandem, Ghana, Ankasa Forest Reserve, 16\/01\/2026\" class=\"wp-image-29243 size-full lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-tandem-1.webp 853w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Elattoneura-balli-tandem-1-768x1354.webp 768w\" data-sizes=\"(max-width: 853px) 100vw, 853px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 853px; --smush-placeholder-aspect-ratio: 853\/1504;\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p><span style=\"text-decoration: underline;\"><strong>\u00c9tymologie <\/strong><\/span>Elattoneura balli<br \/><strong>Elattoneura<\/strong>\u00a0du grec\u00a0<em>ellaton<\/em>, pour\u00a0<em>plus petit,<\/em>\u00a0et\u00a0<em>neuron<\/em>\u00a0qui en entomologie est traduit par\u00a0<em>nervure dans une aile<\/em>. Ceci en r\u00e9f\u00e9rence \u00e0 la longueur r\u00e9duite d\u2019une nervure qui fait r\u00e9f\u00e9rence dans la syst\u00e9matique des zygopt\u00e8res. Voir Suhling &amp; Martens (2007).<br \/><strong>Balli<\/strong> ; citons Kimmins :\u00a0\u00bb<em>It is with pleasure that I name this species after Monsieur Antoine Ball [un entomologiste belge], in recognition of the assistance he has given me on many occasions in elucidating difficult<br \/>points in connection with the Selysian types of Odonata<\/em>.\u00a0\u00bb<\/p>\n\n\n\n<p><br><\/p>\n\n\n\n<p><span style=\"font-size: 10pt;\">Elattoneura balli tandem, Ghana, Ankasa Forest Reserve, 16\/01\/2026<\/span><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:33px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:13px\"><strong>Kimmins, 1938<\/strong>&nbsp;\u2013&nbsp;<a href=\"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/00222933808526770\">New African species of Elattoneura (Odonata)<\/a>&nbsp;\u2013 Annals and Magazine of Natural History \u2013 Serie 11 \u2013 Volume 1 \u2013 Issue 3 \u2013 P. 296.<br><strong>Suhling &amp; Martens, 2007<\/strong>&nbsp;\u2013&nbsp;<a href=\"https:\/\/www.researchgate.net\/publication\/327051371_Dragonflies_and_Damselflies_of_Namibia\">Dragonflies and Damselflies of Namibia<\/a>, Gamsberg Macmillan.<\/p>\n\n\n\n<div style=\"height:32px\" 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>Parmi la trentaine d&rsquo;Elattoneura d&rsquo;Afrique tropicale, Elattoneura balli est un des quatre enregistr\u00e9s au Ghana. Nous avons eu la chance de tous les rencontrer et celui dont il est le plus proche est certainement E. villiersi.Mais s&rsquo;ils ont tous deux la face dorsale du thorax claire, ce dernier montre deux formes elliptiques blanches bien d\u00e9limit\u00e9es, [&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":[38663,38673],"tags":[38674],"class_list":["post-29244","post","type-post","status-publish","format-image","hentry","category-ghana","category-platycnemididae-ghana-2","tag-platycnemididae-ghana","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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