{"id":4928,"date":"2020-02-27T19:49:05","date_gmt":"2020-02-27T18:49:05","guid":{"rendered":"http:\/\/www.meslibellules.fr\/blog\/?p=4928"},"modified":"2025-12-29T18:13:03","modified_gmt":"2025-12-29T17:13:03","slug":"ischnura-senegalensis","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2020\/02\/27\/ischnura-senegalensis\/","title":{"rendered":"Namibie - Ischnura senegalensis (Rambur, 1842)"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/ischnura-senegalensis-accouplement.jpg\"><img decoding=\"async\" width=\"1238\" height=\"884\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/ischnura-senegalensis-accouplement.jpg\" alt=\"Ischnura senegalensis accouplement, Katima Mulilo, 17\/02\/2020\" class=\"wp-image-4922 lazyload\" style=\"--smush-placeholder-width: 1238px; --smush-placeholder-aspect-ratio: 1238\/884;width:500px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-accouplement.jpg 1238w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-accouplement-768x548.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-accouplement-1200x857.jpg 1200w\" data-sizes=\"(max-width: 1238px) 100vw, 1238px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Ischnura senegalensis accouplement, Katima Mulilo, 17\/02\/2020<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px\">La Namibie est le 11\u00b0 pays o\u00f9 je rencontre Ischnura senegalensis et je n'ai pas vraiment cherch\u00e9 \u00e0 faire des efforts pour le prendre en photo, d'autant que nous l'avons rencontr\u00e9 presque tous les jours : il est pr\u00e9sent depuis l'Afrique du Sud jusqu'en Mauritanie \u00e0 l'ouest et \u00e0 l'est jusqu'au Japon et \u00e0 la Mongolie \u00e0 travers l'Asie centrale et tropicale, et \u00e0 travers l'Indon\u00e9sie jusqu'\u00e0 la Papouasie-Nouvelle-Guin\u00e9e ! Ce qui explique qu'on lui donne diff\u00e9rents noms : Marsh Bluetail, Ubiquitous Bluetail, African Bluetail, Golden Dartlet ...<br><a href=\"https:\/\/www.iucnredlist.org\/species\/59897\/75436136\">IUCN Red List<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px\">Les femelles immatures sont cependant toujours spectaculaires.<\/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\/ischnura-senegalensis-femelle-2-1.jpg\"><img decoding=\"async\" width=\"1482\" height=\"884\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/ischnura-senegalensis-femelle-2-1.jpg\" alt=\"Ischnura senegalensis accouplement, Katima Mulilo, 17\/02\/2020\" class=\"wp-image-4924 lazyload\" style=\"--smush-placeholder-width: 1482px; --smush-placeholder-aspect-ratio: 1482\/884;width:500px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-femelle-2-1.jpg 1482w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-femelle-2-1-768x458.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-femelle-2-1-1200x716.jpg 1200w\" data-sizes=\"(max-width: 1482px) 100vw, 1482px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Ischnura senegalensis femelle immature, Katima Mulilo, 17\/02\/2020<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px\">Et si je mets cette seconde femelle, c'est qu'elle m'a jou\u00e9 un tour que j'expliquerai quand j'aurai mis une autre esp\u00e8ce sur le site, une esp\u00e8ce que j'ai confondue avec cette femelle&nbsp;:<\/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\/ischnura-senegalensis-femelle.jpg\"><img decoding=\"async\" width=\"1390\" height=\"1004\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/ischnura-senegalensis-femelle.jpg\" alt=\"African Bluetail femelle, Namibie, Rundu, 10\/02\/2020\" class=\"wp-image-4923 lazyload\" style=\"--smush-placeholder-width: 1390px; --smush-placeholder-aspect-ratio: 1390\/1004;width:500px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-femelle.jpg 1390w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-femelle-768x555.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-femelle-1200x867.jpg 1200w\" data-sizes=\"(max-width: 1390px) 100vw, 1390px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Ischnura senegalensis femelle, Namibie, Rundu, 10\/02\/2020<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px\">Il para\u00eet bien mignon et inoffensif avec sa petite taille, 28 mm en moyenne ; mais il est agressif, tant pour la d\u00e9fense de son territoire qu'en ce qui concerne son alimentation et il s'attaque volontiers \u00e0 des proies de grande taille. Il ne d\u00e9daigne pas les repas de famille puisque ci-dessous cette femelle d\u00e9vore un jeune m\u00e2le de sa propre esp\u00e8ce, ce qu'on qualifie de cannibalisme. <br>Le cannibalisme est extr\u00eamement rare parmi les odonates, qu'ils soient zygopt\u00e8res ou anisopt\u00e8res, c'est un sujet qui n'est pratiquement pas \u00e9tudi\u00e9 [j'ai publi\u00e9 en 2024 deux articles sur ce sujet sur le site, pour <a href=\"https:\/\/www.meslibellules.fr\/blog\/2024\/05\/20\/cannibalisme-des-zygopteres\/\" target=\"_blank\" rel=\"noreferrer noopener\">les zygopt\u00e8res<\/a> et pour <a href=\"https:\/\/www.meslibellules.fr\/blog\/2024\/09\/04\/cannibalisme-des-odonates\/\" target=\"_blank\" rel=\"noreferrer noopener\">les anisopt\u00e8res<\/a>]. Les Ischnura sont les <em>champions <\/em>incontest\u00e9s de cette activit\u00e9 parmi les zygopt\u00e8res.<\/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\/ischnura-senegalensisXsenegalensis.jpg\"><img decoding=\"async\" width=\"1150\" height=\"1004\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/ischnura-senegalensisXsenegalensis.jpg\" alt=\"Ischnura senegalensis d\u00e9vorant un jeune m\u00e2le I. senegalensis, cannibalisme\" class=\"wp-image-4926 lazyload\" style=\"--smush-placeholder-width: 1150px; --smush-placeholder-aspect-ratio: 1150\/1004;width:447px;height:390px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensisXsenegalensis.jpg 1150w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensisXsenegalensis-768x670.jpg 768w\" data-sizes=\"(max-width: 1150px) 100vw, 1150px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Ischnura senegalensis femelle d\u00e9vorant un jeune m\u00e2le I. senegalensis, Namibie, \u00e9missaire du barrage Von Bach, 08\/02\/2020<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">J'ai publi\u00e9 une \u00e9tude beaucoup plus compl\u00e8te sur le cannibalisme entre zygopt\u00e8res (demoiselles) <a href=\"https:\/\/www.meslibellules.fr\/blog\/2024\/05\/20\/cannibalisme-des-zygopteres\/\">sur cette page<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px\">Et alors que nous avons eu bien du mal \u00e0 trouver des Agriocnemis (les plus petits des Coenagrionidae) sur les berges de <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/kalima-17-02-am.jpg\">cette grande mare<\/a>, cet Ischnura senegalensis s'est moqu\u00e9 de nous, en d\u00e9gustant un Agriocnemis exilis...<\/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\/ischnura-senegalensisXagriocnemis.jpg\"><img decoding=\"async\" width=\"1470\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/ischnura-senegalensisXagriocnemis.jpg\" alt=\"Ischnura senegalensis accouplement, Katima Mulilo, 17\/02\/2020\" class=\"wp-image-4925 lazyload\" style=\"--smush-placeholder-width: 1470px; --smush-placeholder-aspect-ratio: 1470\/1204;width:442px;height:361px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensisXagriocnemis.jpg 1470w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensisXagriocnemis-768x629.jpg 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensisXagriocnemis-1200x983.jpg 1200w\" data-sizes=\"(max-width: 1470px) 100vw, 1470px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Ischnura senegalensis d\u00e9vorant un Agriocnemis exilis,  Katima Mulilo, 17\/02\/2020<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:15px\">Une derni\u00e8re r\u00e9flexion \u00e0 propos de cette esp\u00e8ce si commune ; il semble que les sujets africains n'aient qu'une fine, voire tr\u00e8s fine bande ant\u00e9hum\u00e9rale verte ; celui-ci n'en a quasiment pas, comme certains que j'avais rencontr\u00e9s en <a href=\"http:\/\/www.meslibellules.fr\/voyages\/afrique-du-sud\/ischnura-senegalensis\/ischnura-semegalensis-male.php\">Afrique du Sud <\/a>ou \u00e0 <a href=\"http:\/\/www.meslibellules.fr\/voyages\/la-reunion\/ischnura-senegalensis\/ischnura-senegalensis-male.php\">la R\u00e9union<\/a>. Celle des sujets asiatiques est plus large.<\/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\/ischnura-senegalensis-jeune-male.jpg\"><img decoding=\"async\" width=\"1065\" height=\"1004\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/ischnura-senegalensis-jeune-male.jpg\" alt=\"Marsh bluetail jeune m\u00e2le, Katima Mulilo, 17\/02\/2020\" class=\"wp-image-4940 lazyload\" style=\"--smush-placeholder-width: 1065px; --smush-placeholder-aspect-ratio: 1065\/1004;width:443px;height:416px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-jeune-male.jpg 1065w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/\/ischnura-senegalensis-jeune-male-768x724.jpg 768w\" data-sizes=\"(max-width: 1065px) 100vw, 1065px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Marsh Bluetail jeune m\u00e2le, Katima Mulilo, 17\/02\/2020)<\/figcaption><\/figure>\n\n\n\n<p><strong><span style=\"text-decoration: underline;\">\u00c9tymologie<\/span><br \/>Ischnura<\/strong>\u00a0(Charpentier, 1840) du grec \u00ab\u00a0ischnos\u00a0\u00bb \u2013 fin, et de \u00ab\u00a0ura\u00a0\u00bb \u2013\u00a0<em>queue<\/em>, soit abdomen pour les insectes. Beaucoup d'esp\u00e8ces \u00e0 l'abdomen encore plus fin \u00e9taient inconnues quand Charpentier a nomm\u00e9 ce genre.<br \/><strong>Senegalensis<\/strong> se r\u00e9f\u00e8re bien s\u00fbr au S\u00e9n\u00e9gal, origine du premier sp\u00e9cimen d\u00e9crit.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Charpentier, 1840<\/strong> \u2013\u00a0<a href=\"https:\/\/archive.org\/details\/bp_4885308\/page\/19\/mode\/2up?q=senegalensis\">Libellulinae europaeae descriptae ac depictae<\/a>. P. 20.<br><strong>Rambur Jules, 1842<\/strong> \u2013\u00a0<em><a href=\"https:\/\/gallica.bnf.fr\/ark:\/12148\/bpt6k61025298\/f298.item\">Histoire naturelle des insectes. N\u00e9vropt\u00e8res<\/a><\/em>\u00a0\u2013 Librairie Encyclop\u00e9dique de Roret. P. 276.<\/p>\n\n\n\n<div style=\"height:29px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\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\/odonates-de-namibie-namibian-odonates\/\">Accueil Namibie<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La Namibie est le 11\u00b0 pays o\u00f9 je rencontre Ischnura senegalensis et je n'ai pas vraiment cherch\u00e9 \u00e0 faire des efforts pour le prendre en photo, d'autant que nous l'avons rencontr\u00e9 presque tous les jours : il est pr\u00e9sent depuis l'Afrique du Sud jusqu'en Mauritanie \u00e0 l'ouest et \u00e0 l'est jusqu'au Japon et \u00e0 la [&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":[1390,281,274],"tags":[720,276],"class_list":["post-4928","post","type-post","status-publish","format-image","hentry","category-cannibalisme","category-coenagrionidae-namibie-2","category-namibie","tag-cannibalisme","tag-odonates-de-namibie-namibian-odonates","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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