{"id":27836,"date":"2026-01-27T17:58:55","date_gmt":"2026-01-27T16:58:55","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?p=27836"},"modified":"2026-02-19T19:49:31","modified_gmt":"2026-02-19T18:49:31","slug":"acisoma-trifidum","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2026\/01\/27\/acisoma-trifidum\/","title":{"rendered":"Ghana &#8211; Acisoma trifidum  Kirbyi, 1889"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-7.webp\"><img decoding=\"async\" width=\"2242\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-7.webp\" alt=\"Acisoma trifidum m\u00e2le, Ghana, Ankasa forest Reserve Lodge, 19\/01\/2026\" class=\"wp-image-27834 lazyload\" style=\"--smush-placeholder-width: 2242px; --smush-placeholder-aspect-ratio: 2242\/1504;aspect-ratio:1.4907341046380669;width:579px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-7.webp 2242w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-7-768x515.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-7-1536x1030.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-7-2048x1374.webp 2048w\" data-sizes=\"(max-width: 2242px) 100vw, 2242px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Acisoma trifidum m\u00e2le, Ghana, Ankasa forest Reserve Lodge, 19\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Acisoma trifidum (Libellulidae) est une petite surprise car je ne pensais pas qu&rsquo;il puisse \u00eatre si diff\u00e9rent des autres Acisoma que j&rsquo;avais rencontr\u00e9s en Afrique, soit <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/acsioma-inflatum-5.jpg\">A. inflatum <\/a>et <a href=\"https:\/\/www.meslibellules.fr\/voyages\/afrique-du-sud\/acisoma-variegatum\/acisoma-variegatum-male\/acisoma-variegatum-male-1big.jpg\">A. variegatum<\/a>. Ou m\u00eame de celui que je connais encore mieux pour l&rsquo;avoir souvent rencontr\u00e9 en Asie, <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/2018\/09\/aciso1200ht33pc.jpg\">Acisoma panorpoides<\/a>. Sur toutes mes photos, la partie distale de l&rsquo;abdomen est fortement redress\u00e9e ; aucun des Acisoma que j&rsquo;avais eu la chance de rencontrer, en Asie ou en Afrique, ne pr\u00e9sentait cette caract\u00e9ristique. J&rsquo;ai parcouru un certain nombre de documents pour r\u00e9diger cet article et aucun ne mentionne ce d\u00e9tail\u2026<\/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\/Acisoma-trifidum-male-1.webp\"><img decoding=\"async\" width=\"2114\" height=\"1504\" data-id=\"27828\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-1.webp\" alt=\"Acisoma trifidum m\u00e2le, Ghana, Amasuri Conservation Area, 15\/01\/2026\" class=\"wp-image-27828 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-1.webp 2114w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-1-768x546.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-1-1536x1093.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-1-2048x1457.webp 2048w\" data-sizes=\"(max-width: 2114px) 100vw, 2114px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 2114px; --smush-placeholder-aspect-ratio: 2114\/1504;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-2.webp\"><img decoding=\"async\" width=\"2192\" height=\"1504\" data-id=\"27829\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-2.webp\" alt=\"Pied Pintail male, Ghana, Amasuri Conservation Area, 15\/01\/2026\" class=\"wp-image-27829 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-2.webp 2192w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-2-768x527.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-2-1536x1054.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-2-2048x1405.webp 2048w\" data-sizes=\"(max-width: 2192px) 100vw, 2192px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 2192px; --smush-placeholder-aspect-ratio: 2192\/1504;\" \/><\/a><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Acisoma trifidum m\u00e2le, Ghana, Amasuri Conservation Area, 15\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Depuis <em>Mens, L.P., Sch\u00fctte, K., Stokvis, F.R. &amp; Dijkstra, K.-D.B. (2016)<\/em>, le genre Acisoma comprend six esp\u00e8ces ; une asiatique, Acisoma panorpoides, et 5 africaines dont deux, <em>A. attenbouroughi<\/em> et <em>A.<\/em> <em>ascalaphoides<\/em> sont srictement limit\u00e9s \u00e0 Madagascar. Jusque-l\u00e0 on ne reconnaissait que 2 esp\u00e8ces ; <em>A. ascalaphoides<\/em> \u00e0 Madagascar et <em>A. panorpoides<\/em>, du reste de l&rsquo;Afrique \u00e0 l&rsquo;Asie.<\/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\/Acisoma-trifidum-male-3.webp\"><img decoding=\"async\" width=\"2098\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-3.webp\" alt=\"Acisoma trifidum m\u00e2le, Ghana, Amasuri Conservation Area, 15\/01\/2026\" class=\"wp-image-27830 lazyload\" style=\"--smush-placeholder-width: 2098px; --smush-placeholder-aspect-ratio: 2098\/1504;aspect-ratio:1.3949700598802395;width:612px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-3.webp 2098w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-3-768x551.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-3-1536x1101.webp 1536w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-3-2048x1468.webp 2048w\" data-sizes=\"(max-width: 2098px) 100vw, 2098px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Acisoma trifidum m\u00e2le, Ghana, Amasuri Conservation Area, 15\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Mais Acisoma trifidum est sans doute le plus facile \u00e0 isoler et \u00e0 identifier en raison du contraste entre son abdomen tr\u00e8s clair et de son thorax sombre parcouru d&rsquo;une s\u00e9rie de courtes lignes jaunes, sa face sombre, labrum et labium noirs, marqu\u00e9s de taches blanches, le noir se prolongeant pour traverser l&rsquo;oeil.<br>Kirby, en 1889, avait remarqu\u00e9 des anomalies de nervation entre les sujets asiatiques et africains, en particulier le fait que les sujets africains pr\u00e9sentaient une derni\u00e8re nervure ant\u00e9nodale incompl\u00e8te : \u00ab\u00a0<em>There are several doubtful forms from Africa and Madagascar, in all of which (with the exception of a specimen which I regard as the true A. ascalaphoides of Rambur) the last antenodal is not continuous<\/em>.\u00a0\u00bb. Et effectivement tous les Acisoma africains pr\u00e9sentent cette caract\u00e9ristique, qui est moins absolue pour A. ascalaphoides (avec seulement 89% des sujets). Et, dans le m\u00eame document, plus loin, il d\u00e9crit <em>Acisoma trifida<\/em>, que la nomenclature internationale a transform\u00e9 en <em>trifidum<\/em>.<\/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-large\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-4.webp\"><img decoding=\"async\" width=\"1844\" height=\"1504\" data-id=\"27831\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-4.webp\" alt=\"Pied Pintail male, Ghana, Amasuri Conservation Area, 15\/01\/2026\" class=\"wp-image-27831 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-4.webp 1844w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-4-768x626.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-4-1536x1253.webp 1536w\" data-sizes=\"(max-width: 1844px) 100vw, 1844px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1844px; --smush-placeholder-aspect-ratio: 1844\/1504;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-6.webp\"><img decoding=\"async\" width=\"1862\" height=\"1485\" data-id=\"27833\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-6.webp\" alt=\"Acisoma trifidum m\u00e2le, Ghana, Ankasa forest Reserve Lodge, 19\/01\/2026\" class=\"wp-image-27833 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-6.webp 1862w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-6-768x613.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-6-1536x1225.webp 1536w\" data-sizes=\"(max-width: 1862px) 100vw, 1862px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1862px; --smush-placeholder-aspect-ratio: 1862\/1485;\" \/><\/a><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Acisoma trifidum m\u00e2le, Ghana, Amasuri Conservation Area, 15\/01\/2026 &#8211; Ankasa forest Reserve Lodge, 19\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p>Selon Kirby, la longueur totale du corps est de 26 mm.<br><br>On le trouve dans toute l&rsquo;Afrique occidentale et centrale, du S\u00e9n\u00e9gal jusqu&rsquo;\u00e0 l&rsquo;Ouganda, au Rwanda et au nord de la Zambie.<br><a href=\"https:\/\/www.iucnredlist.org\/species\/59786\/83842599#geographic-range\">IUCN Red List<\/a>.<br><br>Il affectionne les mares plus foresti\u00e8res que celles d\u2019<em>A. inflatum<\/em>, avec laquelle il coexiste fr\u00e9quemment. Nous l&rsquo;avons trouv\u00e9 en limite de for\u00eat, puis sur une <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/19-01-2026-08h35-Ankasa-Forest-Reseve-Lodge.webp\">tr\u00e8s petite mare en milieu ouvert<\/a> (Ankasa forest Reserve Lodge), et une plus grande mare mar\u00e9cageuse, ces deux derni\u00e8res pi\u00e8ces d&rsquo;eau en milieu ouvert ! <br>Il est certainement moins commun que ce dernier sur les terrains que nous avons explor\u00e9s, nous n&rsquo;avons pas observ\u00e9 de femelle.<\/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\/Acisoma-trifidum-male-5.webp\"><img decoding=\"async\" width=\"1978\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-5.webp\" alt=\"Acisoma trifidum m\u00e2le, Ghana, Ankasa forest Reserve Lodge, 19\/01\/2026\" class=\"wp-image-27832 lazyload\" style=\"--smush-placeholder-width: 1978px; --smush-placeholder-aspect-ratio: 1978\/1504;aspect-ratio:1.315177381839532;width:568px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-5.webp 1978w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-5-768x584.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-5-1536x1168.webp 1536w\" data-sizes=\"(max-width: 1978px) 100vw, 1978px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Acisoma trifidum m\u00e2le, Ghana, Ankasa forest Reserve Lodge, 19\/01\/2026<\/figcaption><\/figure>\n\n\n\n<p><span style=\"text-decoration: underline;\"><strong>\u00c9tymologie<\/strong><\/span><br><strong>Acisoma<\/strong>, du grec&nbsp;<em>akis<\/em>&nbsp;pour&nbsp;<em>aiguille, fl\u00e8che<\/em>&nbsp;et du grec&nbsp;<em>s\u00f4ma<\/em>&nbsp;pour&nbsp;<em>corps<\/em>,&nbsp;en r\u00e9f\u00e9rence \u00e0 la forme dilat\u00e9e des premiers segments abdominaux et effil\u00e9e des derniers.<br><strong>Trifidum<\/strong>, de l&rsquo;adjectif latin <em>trifid<\/em>us, qui signifie <em>divis\u00e9 en trois<\/em>. Kirby a en effet remarqu\u00e9 que cet Acisoma trifidum pr\u00e9sentait trois cellules dans le subtriangle de l&rsquo;aile ant\u00e9rieure alors que l&rsquo;esp\u00e8ce asiatique et celles d&rsquo;Afrique continentale n&rsquo;en montraient qu&rsquo;une seule. Il ignorait que dans 40 % des cas il n&rsquo;en comporte que 2 (ce nombre peut \u00eatre variable d&rsquo;une aile \u00e0 l&rsquo;autre, comme le montre le sujet ci-dessous).<\/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\/Acisoma-trifidum-subtriangles-des-ailes-anterieures.webp\"><img decoding=\"async\" width=\"914\" height=\"367\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-subtriangles-des-ailes-anterieures.webp\" alt=\"Acisoma trifidum subtriangles des ailes ant\u00e9rieures\" class=\"wp-image-27849 lazyload\" style=\"--smush-placeholder-width: 914px; --smush-placeholder-aspect-ratio: 914\/367;aspect-ratio:2.490591857680465;width:702px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-subtriangles-des-ailes-anterieures.webp 914w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-subtriangles-des-ailes-anterieures-768x308.webp 768w\" data-sizes=\"(max-width: 914px) 100vw, 914px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Acisoma trifidum subtriangles des ailes ant\u00e9rieures<\/figcaption><\/figure>\n\n\n\n<p>En anglais, il prend le nom de <em>Pied Pintail<\/em>, soit <em>[libellule] pie [la couleur] \u00e0 queue en pointe<\/em>\u2026 ce qui est assez \u00e9vocateur.<\/p>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-8.webp\"><img decoding=\"async\" width=\"1340\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-8.webp\" alt=\"Pied Pintail male, Ghana, Amasuri Conservation Area, 15\/01\/2026\" class=\"wp-image-27835 size-full lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-8.webp 1340w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Acisoma-trifidum-male-8-768x862.webp 768w\" data-sizes=\"(max-width: 1340px) 100vw, 1340px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1340px; --smush-placeholder-aspect-ratio: 1340\/1504;\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Kirby, 1889<\/strong> &#8211; <a href=\"https:\/\/www.biodiversitylibrary.org\/page\/32227964#page\/457\/mode\/1up\">A revision of the subfamily Libellulinae, with descriptions of new genera and species<\/a>. Proceedings of the<br>Zoological Society of London &#8211; 12 (9), 249\u2013348.<br><br><strong>Mens, L.P., Sch\u00fctte, K., Stokvis, F.R. &amp; Dijkstra, K.-D.B. (2016)<\/strong> &#8211; <em><a href=\"https:\/\/www.researchgate.net\/publication\/301933306_Six_not_two_species_of_Acisoma_pintail_dragonfly_Odonata_Libellulidae\">Six, not two, species of&nbsp;Acisoma&nbsp;pintail dragonfly (Odonata: Libellulidae)<\/a><\/em> &#8211; <em>Zootaxa<\/em>, 4109 (2), 153\u2013172.<br><\/p>\n\n\n\n<p><span style=\"font-size: 10pt;\">Acisoma trifidum m\u00e2le, Ghana, Amasuri Conservation Area, 15\/01\/2026<\/span><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:13px\"><strong>Kirby, 1889<\/strong> &#8211; <a href=\"https:\/\/www.biodiversitylibrary.org\/page\/32227964#page\/457\/mode\/1up\">A revision of the subfamily Libellulinae, with descriptions of new genera and species<\/a>. Proceedings of the<br>Zoological Society of London &#8211; 12 (9), 249\u2013348.<br><strong>Mens, L.P., Sch\u00fctte, K., Stokvis, F.R. &amp; Dijkstra, K.-D.B. (2016)<\/strong> &#8211; <em><a href=\"https:\/\/www.researchgate.net\/publication\/301933306_Six_not_two_species_of_Acisoma_pintail_dragonfly_Odonata_Libellulidae\">Six, not two, species of&nbsp;Acisoma&nbsp;pintail dragonfly (Odonata: Libellulidae)<\/a><\/em> &#8211; <em>Zootaxa<\/em>, 4109 (2), 153\u2013172.<\/p>\n\n\n\n<div style=\"height:34px\" 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\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Acisoma trifidum (Libellulidae) est une petite surprise car je ne pensais pas qu&rsquo;il puisse \u00eatre si diff\u00e9rent des autres Acisoma que j&rsquo;avais rencontr\u00e9s en Afrique, soit A. inflatum et A. variegatum. Ou m\u00eame de celui que je connais encore mieux pour l&rsquo;avoir souvent rencontr\u00e9 en Asie, Acisoma panorpoides. Sur toutes mes photos, la partie distale [&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":[38663,38664],"tags":[38665],"class_list":["post-27836","post","type-post","status-publish","format-image","hentry","category-ghana","category-libellulidae-ghana-2","tag-libellulidae-ghana","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Acisoma trifidum - Mes Libellules<\/title>\n<meta name=\"description\" content=\"Acisoma trifidum au Ghana, description, identification, taille, habitat, distribution g\u00e9ographique, \u00e9tymologie. 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