{"id":4144,"date":"2012-08-13T08:00:14","date_gmt":"2012-08-13T06:00:14","guid":{"rendered":"http:\/\/codexvirtualis.fr\/codex\/?p=4144"},"modified":"2012-07-26T20:57:22","modified_gmt":"2012-07-26T18:57:22","slug":"semaine-33-2012","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-33-2012","title":{"rendered":"Semaine 33-2012"},"content":{"rendered":"<h2>Une citation<\/h2>\n<p>\u00ab\u00a0Il n&rsquo;y a rien de plus fort au monde que la douceur.\u00a0\u00bb<\/p>\n<p>H. Suyin<\/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\/Thecla_bouleau-WEBb.jpg\" target=\"_blank\"><img decoding=\"async\" alt=\"Th\u00e9cla du bouleau\" src=\"\/documents\/images\/Thecla_bouleau-WEBb.jpg\" title=\"Th\u00e9cla du bouleau\" width=\"300\" \/><\/a><figcaption class=\"wp-caption-text\">Th\u00e9cla du bouleau (Metz, ao\u00fbt 2010)<\/figcaption><\/figure>\n<p> &nbsp; <\/p>\n<p>La Th\u00e9cla du bouleau (<em>Thecla betulae<\/em>) est un Papillon de la famille des Lyca\u00e9nid\u00e9s.<\/p>\n<p>L&rsquo;esp\u00e8ce fr\u00e9quente les for\u00eats et bois de feuillus, ainsi que les lisi\u00e8res et les clairi\u00e8res ensoleill\u00e9es, \u00e0 proximit\u00e9 de prunelliers.<\/p>\n<p>Les <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#adulte\" target=\"_blank\">adultes<\/a> sont observ\u00e9s pendant une courte p\u00e9riode s&rsquo;\u00e9tendant de fin juillet \u00e0 d\u00e9but septembre.<\/p>\n<p> &nbsp; <\/p>\n<p>Les Th\u00e9clas du bouleau affectionnent la chaleur et se posent volontiers au soleil, ailes ouvertes. Ils sont en revanche rarement observ\u00e9s lorsque le temps est couvert.<\/p>\n<p>Ils se nourrissent principalement de miell\u00e9e, liquide sucr\u00e9 exsud\u00e9 par les bourgeons et les feuilles de certains arbres, mais \u00e9galement de nectar.<\/p>\n<p> &nbsp; <\/p>\n<p>L&rsquo;accouplement se d\u00e9roule dans les arbres.<\/p>\n<p>Les femelles d\u00e9posent ensuite leurs \u0153ufs sur de jeunes plantes, souvent au niveau de fourches, dans des sites abrit\u00e9s en lisi\u00e8re de for\u00eat orient\u00e9s et de pr\u00e9f\u00e9rence vers le sud.<br \/>\nLes \u0153ufs sont isol\u00e9s, \u00e9ventuellement group\u00e9s par deux ou trois.<\/p>\n<p>Le <a href=\"\/codex\/glossaire\/glossaire-de-d-a-h#developpement-embryonnaire\" target=\"_blank\">d\u00e9veloppement embryonnaire<\/a> d\u00e9bute avant qu&rsquo;intervienne une interruption durant l&rsquo;hiver.<\/p>\n<p>Au printemps, apr\u00e8s ach\u00e8vement du d\u00e9veloppement embryonnaire, l&rsquo;\u00e9closion lib\u00e8re des <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#chenille\" target=\"_blank\">chenilles<\/a> de couleur verte.<br \/>\nElles p\u00e9n\u00e8trent dans des bourgeons en cours de croissance et s&rsquo;alimentent.<br \/>\nApr\u00e8s la premi\u00e8re mue, les chenilles passent le jour dans des enveloppes de soie adh\u00e9rant \u00e0 la surface inf\u00e9rieure des feuilles.<br \/>\nElles se nourrissent de nuit, sur d&rsquo;autres sites et rejoignent leurs abris le soir.<\/p>\n<p>Apr\u00e8s trois mues, au terme du <a href=\"\/codex\/glossaire\/glossaire-de-d-a-h#developpement-post-embryonnaire\" target=\"_blank\">d\u00e9veloppement post-embryonnaire<\/a>, les chenilles quittent les feuilles et gagnent le sol.<br \/>\nElles se transforment en <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#chrysalide\" target=\"_blank\">chrysalides<\/a> de couleur violette dans la liti\u00e8re, soign\u00e9es par des fourmis.<br \/>\nEnviron quatre semaines plus tard, les adultes \u00e9mergent.<\/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-papillons\" target=\"_blank\">Papillons des parcs de Gerland et des berges du Rh\u00f4ne<\/a><\/p>\n<p> &nbsp; <\/p>\n<p>Pour en savoir plus sur :<\/p>\n<p><span style=\"color: #999999;\">\u2022 <\/span>la biologie des Papillons, consulter le site <a href=\"http:\/\/www.ukbutterflies.co.uk\/index.php\" target=\"_blank\">UK Butterflies<\/a> (en anglais ; adresse : http:\/\/www.ukbutterflies.co.uk)<\/p>\n<p><span style=\"color: #999999;\">\u2022 <\/span>le cycle de vie des Papillons, visiter la page <a href=\"\/codex\/cabinet-de-curiosites-virtuel\/dans-lintimite-des-animaux\/dans-lintimite-des-papillons\" target=\"_blank\">Dans l&rsquo;intimit\u00e9 des Papillons<\/a> de ce site<\/p>\n<p> &nbsp; <\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>Une citation \u00ab\u00a0Il n&rsquo;y a rien de plus fort au monde que la douceur.\u00a0\u00bb H. Suyin &nbsp; Une image &nbsp; La Th\u00e9cla du bouleau (Thecla betulae) est un Papillon de la famille des Lyca\u00e9nid\u00e9s. L&rsquo;esp\u00e8ce fr\u00e9quente les for\u00eats et bois de feuillus, ainsi que les lisi\u00e8res et les clairi\u00e8res ensoleill\u00e9es, \u00e0 proximit\u00e9 de prunelliers. Les [&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-4144","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\/4144","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=4144"}],"version-history":[{"count":16,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4144\/revisions"}],"predecessor-version":[{"id":4161,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4144\/revisions\/4161"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=4144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/categories?post=4144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/tags?post=4144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}