{"id":4292,"date":"2012-09-10T08:00:40","date_gmt":"2012-09-10T06:00:40","guid":{"rendered":"http:\/\/codexvirtualis.fr\/codex\/?p=4292"},"modified":"2012-08-31T22:35:22","modified_gmt":"2012-08-31T20:35:22","slug":"semaine-37-2012","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-37-2012","title":{"rendered":"Semaine 37-2012"},"content":{"rendered":"<h2>Une citation<\/h2>\n<p>\u00ab\u00a0Il n&rsquo;y a personne qui soit n\u00e9 sous une mauvaise \u00e9toile, il n&rsquo;y a que des gens qui ne savent pas lire le ciel.\u00a0\u00bb<\/p>\n<p>Le Dala\u00ef-Lama<\/p>\n<p> &nbsp; <\/p>\n<h2>Une image<\/h2>\n<figure style=\"width: 300px\" class=\"wp-caption alignnone\"><a rel=\"lightbox\" href=\"\/documents\/images\/Orthetrum_reticule-WEBb.jpg\" target=\"_blank\"><img decoding=\"async\" alt=\"Orthetrum r\u00e9ticul\u00e9\" src=\"\/documents\/images\/Orthetrum_reticule-WEBb.jpg\" title=\"Orthetrum r\u00e9ticul\u00e9\" width=\"300\" \/><\/a><figcaption class=\"wp-caption-text\">Orth\u00e9trum r\u00e9ticul\u00e9 (Metz, ao\u00fbt 2010)<\/figcaption><\/figure>\n<p> &nbsp; <\/p>\n<p>L&rsquo;Orth\u00e9trum r\u00e9ticul\u00e9 (<em>Orthetrum cancellatum<\/em>) est un Insecte de l&rsquo;ordre des <a href=\"\/codex\/glossaire\/glossaire-de-i-a-o#odonate\" target=\"_blank\">Odonates<\/a> et de la famille des Libellulid\u00e9s.<\/p>\n<p>L&rsquo;esp\u00e8ce est pr\u00e9sente dans les milieux o\u00f9 l&rsquo;eau est stagnante ou le courant faible (lacs, rivi\u00e8res et canaux, sabli\u00e8res).<br \/>\nElle affectionne les berges pauvres en v\u00e9g\u00e9tation sur lesquelles les individus se posent entre deux p\u00e9riodes de vol rapide.<\/p>\n<p> &nbsp; <\/p>\n<p>D&rsquo;une longueur de 45 \u00e0 50 mm, l&rsquo;Orth\u00e9trum r\u00e9ticul\u00e9 est caract\u00e9ris\u00e9 par une couleur gris-bleu et une extr\u00e9mit\u00e9 abdominale noire, dans le cas du m\u00e2le.<br \/>\nL&rsquo;avant de la t\u00eate est gris et les yeux sont bleu-vert.<\/p>\n<p>La base des ailes est translucide, et une tache (pt\u00e9rostigma) noire orne leur bord ant\u00e9rieur.<\/p>\n<p> &nbsp; <\/p>\n<p>Les <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#adulte\" target=\"_blank\">adultes<\/a> d&rsquo;Orth\u00e9trum r\u00e9ticul\u00e9 sont observ\u00e9s d&rsquo;avril \u00e0 septembre, et sont particuli\u00e8rement nombreux en \u00e9t\u00e9.<\/p>\n<p>La reproduction intervient \u00e0 la fin du printemps et au d\u00e9but de l&rsquo;\u00e9t\u00e9.<\/p>\n<p>Le m\u00e2le transmet ses spermatozo\u00efdes \u00e0 la femelle \u00e0 la faveur d&rsquo;un accouplement.<br \/>\nCette derni\u00e8re d\u00e9pose alors ses \u0153ufs \u00e0 la surface de l&rsquo;eau.<\/p>\n<p>Au terme de six semaines environ, les \u0153ufs \u00e9closent et lib\u00e8rent des <a href=\"\/codex\/glossaire\/glossaire-de-i-a-o#larve\" target=\"_blank\">larves<\/a>, qui m\u00e8nent une vie aquatique pendant au moins trois ans.<\/p>\n<p>Le <a href=\"\/codex\/glossaire\/glossaire-de-d-a-h#developpement-post-embryonnaire\" target=\"_blank\">d\u00e9veloppement post-embryonnaire<\/a> prend fin avec la sortie de l&rsquo;eau des larves, qui se hissent sur la tige de diverses plantes.<br \/>\nLes <a href=\"\/codex\/glossaire\/glossaire-de-i-a-o#imago\" target=\"_blank\">imagos<\/a> \u00e9mergent alors.<\/p>\n<p> &nbsp; <\/p>\n<p>Pour en savoir plus, consulter :<\/p>\n<p><span style=\"color: #999999;\">\u2022 <\/span>la page <a href=\"\/codex\/cabinet-de-curiosites-virtuel\/dans-lintimite-des-animaux\/dans-lintimite-des-demoiselles\" target=\"_blank\">Dans l&rsquo;intimit\u00e9 des Demoiselles<\/a> de ce site, consacr\u00e9e au cycle de vie des Odonates<\/p>\n<p><span style=\"color: #999999;\">\u2022 <\/span>le site de la <a href=\"http:\/\/www.libellules.org\" target=\"_blank\">Soci\u00e9t\u00e9 fran\u00e7aise d&rsquo;Odonatologie<\/a> (adresse : http:\/\/www.libellules.org)<\/p>\n<p> &nbsp; <\/p>\n<p>Pour acc\u00e9der aux images des <a href=\"\/images\/index.php?album=parcs-de-gerland-et-des-berges-du-rhone\/les-demoiselles-et-libellules\" target=\"_blank\">Demoiselles et Libellules des parcs de Gerland et des berges du Rh\u00f4ne<\/a><\/p>\n<p> &nbsp; <\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>Une citation \u00ab\u00a0Il n&rsquo;y a personne qui soit n\u00e9 sous une mauvaise \u00e9toile, il n&rsquo;y a que des gens qui ne savent pas lire le ciel.\u00a0\u00bb Le Dala\u00ef-Lama &nbsp; Une image &nbsp; L&rsquo;Orth\u00e9trum r\u00e9ticul\u00e9 (Orthetrum cancellatum) est un Insecte de l&rsquo;ordre des Odonates et de la famille des Libellulid\u00e9s. L&rsquo;esp\u00e8ce est pr\u00e9sente dans les milieux [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","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":"default","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":[1],"tags":[28,17,23],"class_list":["post-4292","post","type-post","status-publish","format-standard","hentry","category-a-la-une","tag-biologie","tag-insecte","tag-observation"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/comments?post=4292"}],"version-history":[{"count":22,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4292\/revisions"}],"predecessor-version":[{"id":4373,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4292\/revisions\/4373"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=4292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/categories?post=4292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/tags?post=4292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}