{"id":4773,"date":"2013-05-29T21:31:14","date_gmt":"2013-05-29T19:31:14","guid":{"rendered":"http:\/\/codexvirtualis.fr\/codex\/?p=4773"},"modified":"2013-05-29T21:31:14","modified_gmt":"2013-05-29T19:31:14","slug":"semaine-17-2013","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-17-2013","title":{"rendered":"Semaine 17-2013"},"content":{"rendered":"<h2>Une citation<\/h2>\n<p>\u00ab\u00a0Ce n&rsquo;est pas dans la science qu&rsquo;est le bonheur, mais dans l&rsquo;acquisition de la science.\u00a0\u00bb<\/p>\n<p>E.A. Poe<\/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\/Oxythyrea_funesta02_11-WEBb.jpg\" target=\"_blank\"><img decoding=\"async\" src=\"\/documents\/images\/Oxythyrea_funesta02_11-WEBb.jpg\" width=\"300\" alt=\"C\u00e9toine grise\" class \/><\/a><figcaption class=\"wp-caption-text\">C\u00e9toine grise, accouplement (Lyon, mai 2011 &#8211; G. Rigaud)<\/figcaption><\/figure>\n<p> &nbsp; <\/p>\n<p>La C\u00e9toine grise (<em>Oxythyrea funesta<\/em>) est un Insecte <a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#coleoptere\" target=\"_blank\">Col\u00e9opt\u00e8re<\/a> de la famille des C\u00e9toniid\u00e9s.<\/p>\n<p>Elle a fait l\u2019objet de l\u2019article de la <a href=\"\/codex\/semaine-16-2013\"><\/a>semaine 16-2013.<\/p>\n<p> &nbsp; <\/p>\n<p>La reproduction de la C\u00e9toine grise commence avec l&rsquo;accouplement, qui intervient au printemps.<\/p>\n<p>La femelle d\u00e9pose ensuite ses \u0153ufs isol\u00e9ment dans un sol riche en humus, voire dans du compost.<\/p>\n<p>Le <a href=\"\/codex\/glossaire\/glossaire-de-d-a-h#developpement-embryonnaire\" target=\"_blank\">d\u00e9veloppement embryonnaire<\/a> dure entre huit (\u00e0 20\u00b0C) et quinze jours (\u00e0 30\u00b0C). Il est d&rsquo;autant plus rapide que la temp\u00e9rature est \u00e9lev\u00e9e.<\/p>\n<p> &nbsp; <\/p>\n<p>L&rsquo;\u00e9closion lib\u00e8re des <a href=\"\/codex\/glossaire\/glossaire-de-i-a-o#larve\" target=\"_blank\">larves<\/a>semblables \u00e0 des vers blancs qui se nourrissent principalement de racines.<\/p>\n<p>Elles grandissent \u00e0 la faveur de <a href=\"\/codex\/glossaire\/glossaire-de-i-a-o#mue\" target=\"_blank\">mues<\/a> larvaires. La premi\u00e8re se d\u00e9roule quinze jours apr\u00e8s l&rsquo;\u00e9closion et la deuxi\u00e8me quinze jours plus tard.<\/p>\n<p>Il faut attendre un mois \u00e0 un mois et demi pour qu&rsquo;intervienne la mue larvo-nymphale. La larve forme alors une coque ovale compos\u00e9e de particules du substrat et de d\u00e9jections, s&rsquo;y enveloppe et s&rsquo;y transforme en <a href=\"\/codex\/glossaire\/glossaire-de-i-a-o#nymphe\" target=\"_blank\">nymphe<\/a>.<\/p>\n<p> &nbsp; <\/p>\n<p>La m\u00e9tamorphose se produit au sein de la coque. Elle dure entre vingt et trente jours, au terme desquels l&rsquo;<a href=\"\/codex\/glossaire\/glossaire-de-a-a-c#adulte\" target=\"_blank\">adulte<\/a> \u00e9merge.<\/p>\n<p> &nbsp; <\/p>\n<p>Le d\u00e9veloppement dure ainsi trois \u00e0 quatre mois, dont deux semaines pour le d\u00e9veloppement embryonnaire et deux mois et demi \u00e0 trois mois et demi pour le <a href=\"\/codex\/glossaire\/glossaire-de-d-a-h#developpement-post-embryonnaire\" target=\"_blank\">d\u00e9veloppement post-embryonnaire<\/a>.<\/p>\n<p>Les jeunes adultes sont actifs en automne, avant d&rsquo;hiverner et de reprendre une activit\u00e9 au printemps de l&rsquo;ann\u00e9e suivante.<\/p>\n<p> &nbsp; <\/p>\n<p>Pour en savoir plus sur :<\/p>\n<p><span style=\"color: #999999;\">\u2022 <\/span>la C\u00e9toine grise, consulter l&rsquo;article <a href=\"www7.inra.fr\/opie-insectes\/pdf\/i99robert.pdf\" target=\"_blank\">\u00ab\u00a0La C\u00e9toine grise : Oxythyrea funesta\u00a0\u00bb<\/a> de Pierre Robert dans la revue Insectes n\u00b099, 1995 (4) sur le site internet de l&rsquo;<a href=\"http:\/\/www.insectes.org\" target=\"_blank\">Opie<\/a> (Office Insectes Environnement &#8211; adresse : http:\/\/www.insectes.org)<\/p>\n<p><span style=\"color: #999999;\">\u2022 <\/span>le cycle de vie des Col\u00e9opt\u00e8res, consulter la page <a href=\"\/codex\/cabinet-de-curiosites-virtuel\/dans-lintimite-des-animaux\/dans-lintimite-des-coccinelles\" target=\"_blank\">Dans l&rsquo;intimit\u00e9 des Coccinelles<\/a> de Codex virtualis<\/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-coccinelles-et-insectes-apparentes\" target=\"_blank\">Coccinelles et Insectes apparent\u00e9s 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\u00a0Ce n&rsquo;est pas dans la science qu&rsquo;est le bonheur, mais dans l&rsquo;acquisition de la science.\u00a0\u00bb E.A. Poe &nbsp; Une image &nbsp; La C\u00e9toine grise (Oxythyrea funesta) est un Insecte Col\u00e9opt\u00e8re de la famille des C\u00e9toniid\u00e9s. Elle a fait l\u2019objet de l\u2019article de la semaine 16-2013. &nbsp; La reproduction de la C\u00e9toine grise commence [&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-4773","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\/4773","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=4773"}],"version-history":[{"count":3,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4773\/revisions"}],"predecessor-version":[{"id":4778,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/4773\/revisions\/4778"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=4773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/categories?post=4773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/tags?post=4773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}