{"id":13956,"date":"2023-03-22T21:04:55","date_gmt":"2023-03-22T20:04:55","guid":{"rendered":"https:\/\/www.meslibellules.fr\/blog\/?page_id=13956"},"modified":"2025-12-13T08:53:08","modified_gmt":"2025-12-13T07:53:08","slug":"brachytron-pratense","status":"publish","type":"page","link":"https:\/\/www.meslibellules.fr\/blog\/brachytron-pratense\/","title":{"rendered":"Brachytron pratense (O. F. M\u00fcller, 1764)"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Brachytron-pratense-male-accueil.webp\"><img decoding=\"async\" width=\"1616\" height=\"1204\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Brachytron-pratense-male-accueil.webp\" alt=\"Brachytron pratense m\u00e2le, Etang de Joreau, 21\/05\/2016\" class=\"wp-image-13958 lazyload\" style=\"--smush-placeholder-width: 1616px; --smush-placeholder-aspect-ratio: 1616\/1204;width:417px;height:310px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Brachytron-pratense-male-accueil.webp 1616w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Brachytron-pratense-male-accueil-768x572.webp 768w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Brachytron-pratense-male-accueil-1536x1144.webp 1536w\" data-sizes=\"(max-width: 1616px) 100vw, 1616px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Brachytron pratense m\u00e2le, Etang de Joreau (France-49), 21\/05\/2016<\/figcaption><\/figure>\n\n\n\n<p>Brachytron pratense, l&rsquo;Aeschne printani\u00e8re, n&rsquo;est vraiment pas commune dans mon Maine-et-Loire, d&rsquo;ailleurs, elle n&rsquo;est commune en France que sur certains sites.<\/p>\n\n\n\n<h5 class=\"wp-block-image\"><span style=\"text-decoration: underline;\">Description &#8211; Identification<img alt=\"\"><\/span><\/h5>\n\n\n\n<p>Sur un fond brun, la face lat\u00e9rale du thorax <em>velu <\/em>des <a href=\"http:\/\/www.meslibellules.fr\/pagesweb\/aeshnidae\/brachytron-pratense\/brachytron-pratense-male-1\/brachytron-pratense-male-2big.jpg\"><strong>m\u00e2les<\/strong> <\/a>est largement jaune ou verte avec deux sutures thoraciques soulign\u00e9es de marron fonc\u00e9, et une bande ant\u00e9hum\u00e9rale jaune compl\u00e8te. Les ailes sont hyalines avec des nervures transverses ant\u00e9nodales jaunes (selon l&rsquo;incidence de vue !) et de longs et fins pt\u00e9rostigmas. L&rsquo;abdomen est peu \u00e9trangl\u00e9 au niveau du 3\u1d49\u00a0segment et montre des taches bleues paires sur les segments 2 \u00e0 10. Il mesure 54 \u00e0 63 mm.<br>Les <strong>femelles<\/strong> (que je n&rsquo;ai jamais vues isol\u00e9es) sont jaunes de la m\u00eame fa\u00e7on sur le thorax, mais leurs bandes ant\u00e9hum\u00e9rales sont plus courtes. Leur abdomen montre des paires de taches jaunes, l\u00e0 o\u00f9 celles des m\u00e2les sont bleues.<br>On peut les confondre avec de petites \u00e6schnes, comme A. mixta, mais elles ne volent pas encore. Seul A. imperator, plus grand, plus bleu, vole \u00e0 la m\u00eame saison.<\/p>\n\n\n\n<h5><span style=\"text-decoration: underline;\">Habitat &#8211; Biotope<\/span><\/h5>\n\n\n\n<p>Il se plait sur les eaux stagnantes permanentes dont les rives sont bien v\u00e9g\u00e9talis\u00e9es, essentiellement en plaine : canaux, foss\u00e9s, mares et lacs bord\u00e9s de carex, de roseaux ou de joncs \u00e0 massette.<\/p>\n\n\n\n<h5><span style=\"text-decoration: underline;\">Comportement &#8211; Ecologie<\/span><\/h5>\n\n\n\n<p>Les m\u00e2les volent bas, le long ou \u00e0 travers la v\u00e9g\u00e9tation des berges (on entend le bruissement des ailes), \u00e0 la recherche des femelles, qui sont excessivement discr\u00e8tes et peu contact\u00e9es. Le vol est zigzaguant, erratique, les rendant difficiles \u00e0 photographier en vol. Ils ne s&rsquo;int\u00e9ressent pas aux autres libellules, mais sont agressifs avec les autres m\u00e2les de leur esp\u00e8ce.<br>Les <a href=\"http:\/\/www.meslibellules.fr\/pagesweb\/aeshnidae\/brachytron-pratense\/brachytron-pratense-accouplement\/brachytron-pratense-accouplement-2big.jpg\">accouplements<\/a> se d\u00e9roulent pr\u00e8s de l&rsquo;eau et peuvent durer 45 minutes.<br>Les femelles, parfois gard\u00e9es par les m\u00e2les, pondent dans les d\u00e9bris d\u00e9compos\u00e9s \u00e0 la surface de l&rsquo;eau. La vie larvaire dure en principe 2 \u00e0 3 ans.<\/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\/Brachytron-pratense-male-en-vol-accueil.webp\"><img decoding=\"async\" width=\"1260\" height=\"760\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Brachytron-pratense-male-en-vol-accueil.webp\" alt=\"Brachytron pratense m\u00e2le, Le Pinail (France-86), 17\/05\/2016\" class=\"wp-image-13971 lazyload\" style=\"--smush-placeholder-width: 1260px; --smush-placeholder-aspect-ratio: 1260\/760;width:509px;height:306px\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Brachytron-pratense-male-en-vol-accueil.webp 1260w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Brachytron-pratense-male-en-vol-accueil-768x463.webp 768w\" data-sizes=\"(max-width: 1260px) 100vw, 1260px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/a><figcaption class=\"wp-element-caption\">Brachytron pratense m\u00e2le, Le Pinail (France-86), 17\/05\/2016<\/figcaption><\/figure>\n\n\n\n<h5><span style=\"text-decoration: underline;\">P\u00e9riode de vol<\/span><\/h5>\n\n\n\n<p>On trouve Brachytron pratense de fin mars \u00e0 d\u00e9but ao\u00fbt si on cherche les records, mais il atteint son pic de fr\u00e9quence en mai, dans le nord ou le sud de la France. Et si on veut le trouver, il vaut mieux le chercher de la fin avril \u00e0 la mi-juin.<\/p>\n\n\n\n<h5><span style=\"text-decoration: underline;\">Distribution g\u00e9ographique<\/span><\/h5>\n\n\n\n<p>En France, la distribution de Brachytron pratense est\u2026 erratique et je vous invite \u00e0 consulter l&rsquo;excellent article (avec carte de distribution) que lui a consacr\u00e9 Philippe Lambret sur le site de l&rsquo;OPIE et dont le lien est donn\u00e9 quelques lignes plus bas. <br>Il est limit\u00e9 \u00e0 l&rsquo;ouest et au centre de l&rsquo;Europe. Absent de l&rsquo;Afrique du Nord et tr\u00e8s limit\u00e9 au nord de l&rsquo;Espagne, il est pr\u00e9sent en Irlande et en Angleterre, mais absent d&rsquo;\u00c9cosse. Il atteint le sud de la Scandinavie et \u00e0 l&rsquo;est il ne d\u00e9passe pas l&rsquo;Oural. <br>Il est pr\u00e9sent aux limites est de l&rsquo;Europe, tr\u00e8s diss\u00e9min\u00e9.<br>&#8211; <a href=\"https:\/\/atlas-odonates.insectes.org\/odonates-de-france\/brachytron-pratense\" target=\"_blank\" rel=\"noreferrer noopener\">Atlas dynamique des Odonates de France<\/a> <br>&#8211; <a href=\"https:\/\/www.iucnredlist.org\/species\/165514\/19156286#geographic-range\" target=\"_blank\" rel=\"noreferrer noopener\">IUCN Red List<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Libellula-pratensis-Muller-1764.webp\"><img decoding=\"async\" width=\"1315\" height=\"337\" data-src=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Libellula-pratensis-Muller-1764.webp\" alt=\"Libellula pratensis, M\u00fcller 1764\" class=\"wp-image-27291 lazyload\" data-srcset=\"https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Libellula-pratensis-Muller-1764.webp 1315w, https:\/\/www.meslibellules.fr\/blog\/wp-content\/uploads\/Libellula-pratensis-Muller-1764-768x197.webp 768w\" data-sizes=\"(max-width: 1315px) 100vw, 1315px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1315px; --smush-placeholder-aspect-ratio: 1315\/337;\" \/><\/a><figcaption class=\"wp-element-caption\">Libellula pratensis, M\u00fcller 1764<\/figcaption><\/figure>\n\n\n\n<p>Comme on le constate, la description de M\u00fcller est courte !<br><em>LIBELLULA pratensis alis hyalinis: thoracis lateribus fasciis virentibus octo , antice tribus fuscis, In aquis<\/em> &#8211; <em>Libellule des prairies avec des ailes transparentes : les c\u00f4t\u00e9s du thorax ayant huit bandes verd\u00e2tres, l&rsquo;avant [du thorax] ayant trois [bandes] brunes, Dans les eaux.<\/em><\/p>\n\n\n\n<h5><span style=\"text-decoration: underline;\">\u00c9tymologie<\/span><\/h5>\n\n\n\n<p><strong>Brachytron<\/strong>, de 2 mots grecs, <em>brachyn\u00f4<\/em> pour <em>court<\/em> et <em>\u00eatron<\/em> pour <em>abdomen<\/em>, et en effet, l&rsquo;abdomen est court et robuste, l&rsquo;esp\u00e8ce est la plus petite de nos Aeshnidae europ\u00e9ens ; cette explication est donn\u00e9e par le cr\u00e9ateur du genre (Evans, 1845), genre d&rsquo;ailleurs monosp\u00e9cifique. Ce nom de genre rel\u00e8ve cependant d&rsquo;erreurs linguistiques et aurait d\u00fb s&rsquo;appeler Brachyetron (Kosterlin, 2023).<br><strong>Pratense<\/strong>, du latin <em>pratum<\/em>, pour <em>pr\u00e9<\/em> ou <em>prairie<\/em>, ce qui n&rsquo;a pas vraiment de sens, car on ne trouverait pas les sujets matures loin de l&rsquo;eau.<br>Si on c\u00f4toie des anglo-saxons, il est bon de savoir que pour eux c&rsquo;est le <em>Hairy hawker<\/em> ; <em>hawker <\/em>est le nom de genre de tous les Aeshnidae, tandis que <em>hairy<\/em> insiste sur l&rsquo;aspect velu de son thorax.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"font-size:13px\"><strong>Kosterlin O., 2023<\/strong> &#8211; <a href=\"https:\/\/www.researchgate.net\/publication\/374631101_Nomenclatural_reconsideration_of_the_genera_Aeschnophlebia_Selys_1883_and_Planaeschna_McLachlan_1896_Odonata_Aeshnidae\">Nomenclatural reconsideration of the genera Aeschnophlebia Selys, 1883 and Planaeschna McLachlan, 1896 (Odonata, Aeshnidae)<\/a> &#8211; Zootaxa 5353 (5): 495\u2013500<br><strong>M\u00fcller, 1764<\/strong> &#8211;<a href=\"https:\/\/www.biodiversitylibrary.org\/item\/319977#page\/89\/mode\/1up\"> <em>Fauna insectorum fridrichsdalina, sive, Methodica descriptio insectorum agri fridrichsdalensis\u202f: cum characteribus genericis et specificis, nominibus trivialibus, locis natalibus, inconibus allegatis, novisque pluribvs speciebus additis<\/em><\/a>\u00a0(p. 62). In officina libraria I.F. Gleditschii.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\">\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=\"http:\/\/www.meslibellules.fr\/pagesweb\/aeshnidae\/brachytron-pratense\/brachytron-pratense-male-1.php\">M\u00e2le<\/a><\/div>\n<\/div>\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=\"http:\/\/www.meslibellules.fr\/pagesweb\/aeshnidae\/brachytron-pratense\/brachytron-pratense--maleenvol-1.php\">M\u00e2le en vol<\/a><\/div>\n<\/div>\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=\"http:\/\/www.meslibellules.fr\/pagesweb\/aeshnidae\/brachytron-pratense\/brachytron-pratense-acouplement.php\">Accouplement<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\"><\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brachytron pratense, l&rsquo;Aeschne printani\u00e8re, n&rsquo;est vraiment pas commune dans mon Maine-et-Loire, d&rsquo;ailleurs, elle n&rsquo;est commune en France que sur certains sites. Description &#8211; Identification Sur un fond brun, la face lat\u00e9rale du thorax velu des m\u00e2les est largement jaune ou verte avec deux sutures thoraciques soulign\u00e9es de marron fonc\u00e9, et une bande ant\u00e9hum\u00e9rale jaune compl\u00e8te. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","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":""},"class_list":["post-13956","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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