{"id":25103,"date":"2025-06-10T19:12:24","date_gmt":"2025-06-10T17:12:24","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?p=25103"},"modified":"2025-06-11T17:53:38","modified_gmt":"2025-06-11T15:53:38","slug":"gynacantha-maclachlani-male","status":"publish","type":"post","link":"https:\/\/www.meslibellules.fr\/blog\/2025\/06\/10\/gynacantha-maclachlani-male\/","title":{"rendered":"Born\u00e9o &#8211; Gynacantha maclachlani (Kr\u00fcger, 1899)"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-1.webp\"><img decoding=\"async\" width=\"1468\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-1.webp\" alt=\"Gynacantha maclachlani m\u00e2le, Malaisie - Sarawak, Sama Jaya Nature Reserve, 18\/03\/2025\" class=\"wp-image-25057 lazyload\" style=\"--smush-placeholder-width: 1468px; --smush-placeholder-aspect-ratio: 1468\/1504;width:444px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-1.webp 1468w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-1-768x787.webp 768w\" data-sizes=\"(max-width: 1468px) 100vw, 1468px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Gynacantha maclachlani m\u00e2le, Malaisie &#8211; Sarawak, Sama Jaya Nature Reserve, 18\/03\/2025<\/figcaption><\/figure>\n\n\n\n<p>D\u00e8s la premi\u00e8re matin\u00e9e de prospection, c&rsquo;est un plaisir de rencontrer Gynacantha maclachlani male (1), un grand Aeshnidae. Dans la r\u00e9serve Sama Jaya, dans la ville de Kuching, je me suis \u00e9cart\u00e9 du groupe pour trouver un peu de tranquillit\u00e9&#8230; et ayant quelques dizaines de secondes pour scruter l&rsquo;obscurit\u00e9 devant moi, j&rsquo;ai eu la surprise de d\u00e9couvrir ce superbe m\u00e2le.<\/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\/Gynacantha-dohrni-male-2.webp\"><img decoding=\"async\" width=\"1954\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-2.webp\" alt=\"Gynacantha maclachlani m\u00e2le, Malaisie - Sarawak, Sama Jaya Nature Reserve, 18\/03\/2025\" class=\"wp-image-25058 lazyload\" style=\"--smush-placeholder-width: 1954px; --smush-placeholder-aspect-ratio: 1954\/1504;width:497px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-2.webp 1954w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-2-768x591.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-2-1536x1182.webp 1536w\" data-sizes=\"(max-width: 1954px) 100vw, 1954px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Gynacantha maclachlani m\u00e2le, Malaisie &#8211; Sarawak, Sama Jaya Nature Reserve, 18\/03\/2025<\/figcaption><\/figure>\n\n\n\n<p>Nous sommes dans une partie mar\u00e9cageuse de for\u00eat assez dense, et il fait tr\u00e8s sombre, nous nous appr\u00eatons <a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/18-03-2025-Gloriette-Sama-Jaya-Nature-Reserve-Kuching.webp\">\u00e0 nous abriter <\/a>de la pluie \u00e9parse qui va se transformer en trombes d&rsquo;eau et inonder les prairies.<br><br>Il fait partie de ce que les anglophones appellent Duskhawker, c&rsquo;est-\u00e0-dire qu&rsquo;ils sont principalement actifs au cr\u00e9puscule et, dans la journ\u00e9e, ils pendent assez bas, accroch\u00e9s \u00e0 une branche en for\u00eat dense.<br><br>Sa taille doit \u00eatre tr\u00e8s voisine de celle de G. dohrni, 62 \u00e0 66 mm (2) avec un abdomen de 43 \u00e0 45 mm et surtout des appendices anaux sup\u00e9rieurs tr\u00e8s longs, 6.5 mm pr\u00e9cise Kr\u00fcger dans sa description (1). <br>On ne le trouverait qu&rsquo;\u00e0 Born\u00e9o et Sumatra.<br><a href=\"https:\/\/www.iucnredlist.org\/species\/163745\/5645039\" target=\"_blank\" rel=\"noreferrer noopener\">IUCN Red List<\/a><br><\/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\/Gynacantha-dohrni-male-3.webp\"><img decoding=\"async\" width=\"1639\" height=\"1504\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-3.webp\" alt=\"Gynacantha maclachlani m\u00e2le, Malaisie - Sarawak, Sama Jaya Nature Reserve, 18\/03\/2025\" class=\"wp-image-25060 lazyload\" style=\"--smush-placeholder-width: 1639px; --smush-placeholder-aspect-ratio: 1639\/1504;width:474px;height:auto\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-3.webp 1639w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-3-768x705.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-male-3-1536x1409.webp 1536w\" data-sizes=\"(max-width: 1639px) 100vw, 1639px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Gynacantha maclachlani m\u00e2le, Malaisie &#8211; Sarawak, Sama Jaya Nature Reserve, 18\/03\/2025<\/figcaption><\/figure>\n\n\n\n<p>Noter <a href=\"https:\/\/meslibellules.fr\/pagesweb\/divers\/glossaire.php\">les auricules<\/a> bleues sur le second segment, et la fa\u00e7on dont le troisi\u00e8me est \u00e9trangl\u00e9&#8230;<br><br>Je dois avouer que ce sujet a d&rsquo;abord \u00e9t\u00e9 identifi\u00e9 comme Gynacantha dohrni, dont il existe de nombreuses photos sur le Web. Celles-ci sont les premi\u00e8res publi\u00e9es de Gynacantha maclachlani, au moins sur iNaturalist.<br>La distinction se fait essentiellement par les appendices anaux sup\u00e9rieurs, ceux de G. dohrni portant \u00e0 leur base une dent, ici absente. Son 3\u00b0 segment serait peut-\u00eatre encore plus fin que celui de G. dohrni.<\/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\/Gynacantha-maclachlani-appendices-anaux.webp\"><img decoding=\"async\" width=\"702\" height=\"335\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-maclachlani-appendices-anaux.webp\" alt=\"Gynacantha maclachlani, appendices anaux, Kr\u00fcger, 1899\" class=\"wp-image-25104 lazyload\" style=\"--smush-placeholder-width: 702px; --smush-placeholder-aspect-ratio: 702\/335;width:672px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Gynacantha maclachlani, appendices anaux, Kr\u00fcger, 1899<\/figcaption><\/figure>\n\n\n\n<p>Sur son aile post\u00e9rieure droite, on peut observer un dipt\u00e8re parasite, peut-\u00eatre du genre Forcipomyia.<\/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\/Gynacantha-dohrni-parasite.webp\"><img decoding=\"async\" width=\"542\" height=\"508\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Gynacantha-dohrni-parasite.webp\" alt=\"Gynacantha maclachlani m\u00e2le, Malaisie - Sarawak, Sama Jaya Nature Reserve, 18\/03\/2025\" class=\"wp-image-25061 lazyload\" style=\"--smush-placeholder-width: 542px; --smush-placeholder-aspect-ratio: 542\/508;width:334px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Gynacantha maclachlani m\u00e2le, Malaisie &#8211; Sarawak, Sama Jaya Nature Reserve, 18\/03\/2025<\/figcaption><\/figure>\n\n\n\n<p><span style=\"text-decoration: underline;\"><strong>\u00c9tymologie<\/strong><\/span><br \/>Le terme <strong>Gynacantha<\/strong> (2) a \u00e9t\u00e9 cr\u00e9\u00e9 par Rambur \u00e0 partir de deux mots grecs :<em>\u00a0Gyna\u00a0<\/em>pour\u00a0<em>femelle<\/em>\u00a0et\u00a0<em>canta<\/em>\u00a0pour\u00a0<em>\u00e9pine<\/em>, car les femelles de ce genre portent 2 \u00e9pines sous le 10\u00b0 segment.<br \/><b>Maclachlani <\/b>(3) est un hommage de Leopold Kr\u00fcger \u00e0 Robert Mc Lachlan (1837-1904), un des principaux odonatologistes anglais de cette \u00e9poque, pour son aide dans la classification des Gynacantha.<\/p>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>1- Kr\u00fcger, L. (1898). Die Odonaten von Sumatra. II. Theil. <a href=\"https:\/\/www.biodiversitylibrary.org\/page\/8946607#page\/287\/mode\/1up\">Familie Aeschniden<\/a>.&nbsp;<em>Entomologische Zeitung<\/em>,&nbsp;<em>59<\/em>, 267&#8211;331. P. 280-281.<br>2- <a href=\"https:\/\/www.researchgate.net\/publication\/283318421_The_Naming_of_Australia's_Dragonflies\">The Naming of Australia\u2019s Dragonflies<\/a>, Ian Endersby &amp; Heinrich Fliedner, Busybird publishing<br>3- Heinrich Fliedner, 2021 &#8211; <a href=\"https:\/\/www.researchgate.net\/publication\/372230745_IDF-Report_167_Kruger_2021#fullTextFileContent\">The scientific names of Kr\u00fcger\u2019s odonate taxa with annotations about his contribution to neuropterological taxonomy<\/a> &#8211; International Dragonfly Fund<\/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-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\/odonates-du-sarawak\/\">Accueil Sarawak<\/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\/pagesweb\/divers\/liste-generale-odonates-du-site\/asia-odonates.php\">Listes des Odonates d&rsquo;Asie<\/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\/pagesweb\/divers\/liste-generale-odonates-du-site\/all-odonates.php\">Listes continentales<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e8s la premi\u00e8re matin\u00e9e de prospection, c&rsquo;est un plaisir de rencontrer Gynacantha maclachlani male (1), un grand Aeshnidae. Dans la r\u00e9serve Sama Jaya, dans la ville de Kuching, je me suis \u00e9cart\u00e9 du groupe pour trouver un peu de tranquillit\u00e9&#8230; et ayant quelques dizaines de secondes pour scruter l&rsquo;obscurit\u00e9 devant moi, j&rsquo;ai eu la surprise [&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":[38627,38596],"tags":[38628,38599],"class_list":["post-25103","post","type-post","status-publish","format-image","hentry","category-aeshnidae-borneo-sarawak","category-borneo-sarawak","tag-borneo-aeshnidae","tag-borneo-sarawak","post_format-post-format-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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