{"id":4412,"date":"2012-10-01T08:00:33","date_gmt":"2012-10-01T06:00:33","guid":{"rendered":"http:\/\/codexvirtualis.fr\/codex\/?p=4412"},"modified":"2012-09-25T11:34:15","modified_gmt":"2012-09-25T09:34:15","slug":"semaine-40-2012","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-40-2012","title":{"rendered":"Semaine 40-2012"},"content":{"rendered":"<h2>Une citation<\/h2>\n<p>\u00ab\u00a0Le travail pr\u00e9c\u00e8de toute r\u00e9compense. Il faut planter avant de moissonner, semer dans la tristesse avant de r\u00e9colter dans la joie.\u00a0\u00bb<\/p>\n<p>Ralph Ransom<\/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\/vulcain10-06-WEBb.jpg\" target=\"_blank\"><img decoding=\"async\" alt=\"Vulcain\" src=\"\/documents\/images\/vulcain10-06-WEBb.jpg\" title=\"Vulcain\" width=\"300\" \/><\/a><figcaption class=\"wp-caption-text\">Vulcain (Metz, ao\u00fbt 2006)<\/figcaption><\/figure>\n<p> &nbsp; <\/p>\n<p>Le Vulcain (<em>Vanessa atalanta<\/em>) est un Papillon de la famille des Nymphalid\u00e9s.<\/p>\n<p>L&rsquo;esp\u00e8ce fr\u00e9quente les jardins et les friches, mais aussi les vergers, les champs et la lisi\u00e8re des for\u00eats.<br \/>\nDans ces habitats, l&rsquo;<a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#adulte\" target=\"_blank\">adulte<\/a> est pr\u00e9sent de juin \u00e0 octobre principalement, et butine diverses fleurs riches en nectar. Il affectionne \u00e9galement les fruits m\u00fbrs.<\/p>\n<p> &nbsp; <\/p>\n<p>Le Vulcain est ais\u00e9ment identifi\u00e9 \u00e0 la couleur noire de la face sup\u00e9rieure de ses ailes.<br \/>\nLes ailes ant\u00e9rieures sont travers\u00e9es d&rsquo;une bande rouge, alors qu&rsquo;une autre ponctu\u00e9e de noir borde l&rsquo;arri\u00e8re des ailes post\u00e9rieures.<br \/>\nUn ensemble de taches blanches est en outre pr\u00e9sent \u00e0 l&rsquo;avant des ailes ant\u00e9rieures, alors qu&rsquo;une tache bleue orne l&rsquo;arri\u00e8re des ailes post\u00e9rieures. <\/p>\n<p>La face inf\u00e9rieure des ailes ant\u00e9rieures est semblable \u00e0 leur face sup\u00e9rieure. En revanche, la face inf\u00e9rieure des ailes post\u00e9rieures est terne et orn\u00e9e de marbrures.<\/p>\n<p> &nbsp; <\/p>\n<p>Le Vulcain est un Papillon migrateur. \u00c0 l&rsquo;automne (en octobre et novembre), les adultes se d\u00e9placent vers le sud de l&rsquo;Europe, voire l&rsquo;Afrique.<br \/>\nQuelques individus hivernent \u00e0 l&rsquo;abri dans des constructions humaines comme les hangars et les greniers.<br \/>\nAu printemps, les premiers remontent vers le nord, et les seconds reprennent une vie active.<\/p>\n<p>De mani\u00e8res g\u00e9n\u00e9rale, les adultes de cette esp\u00e8ce ne supportent pas les temp\u00e9ratures froides.<\/p>\n<p> &nbsp; <\/p>\n<p>La reproduction a lieu \u00e0 la belle saison, l&rsquo;esp\u00e8ce produisant une ou deux g\u00e9n\u00e9rations annuelles.<br \/>\nApr\u00e8s l&rsquo;accouplement, la femelle d\u00e9pose des \u0153ufs isol\u00e9s sur des feuilles, soit \u00e0 la fin de l&rsquo;\u00e9t\u00e9 soit au printemps suivant.<\/p>\n<p>L&rsquo;\u00e9closion lib\u00e8re des <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#chenille\" target=\"_blank\">chenilles<\/a> se nourrissant principalement de feuilles d&rsquo;orties.<br \/>\nObserv\u00e9es de juin \u00e0 septembre, elles grandissent \u00e0 la faveur de mues avant de se transformer en <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#chrysalide\" target=\"_blank\">chrysalides<\/a>.<\/p>\n<p>L&rsquo;\u00e9mergence des adultes intervient environ deux semaines apr\u00e8s la formation des chrysalides,  avant le d\u00e9but de l&rsquo;hiver.<\/p>\n<p> &nbsp; <\/p>\n<p>Pour en savoir plus sur le <a href=\"\/codex\/cabinet-de-curiosites-virtuel\/dans-lintimite-des-animaux\/dans-lintimite-des-papillons\" target=\"_blank\">cycle de vie des Papillons<\/a><\/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<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>Une citation \u00ab\u00a0Le travail pr\u00e9c\u00e8de toute r\u00e9compense. Il faut planter avant de moissonner, semer dans la tristesse avant de r\u00e9colter dans la joie.\u00a0\u00bb Ralph Ransom &nbsp; Une image &nbsp; Le Vulcain (Vanessa atalanta) est un Papillon de la famille des Nymphalid\u00e9s. L&rsquo;esp\u00e8ce fr\u00e9quente les jardins et les friches, mais aussi les vergers, les champs et [&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-4412","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\/4412","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=4412"}],"version-history":[{"count":15,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4412\/revisions"}],"predecessor-version":[{"id":4427,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4412\/revisions\/4427"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=4412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/categories?post=4412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/tags?post=4412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}