{"id":4441,"date":"2012-10-15T08:00:44","date_gmt":"2012-10-15T06:00:44","guid":{"rendered":"http:\/\/codexvirtualis.fr\/codex\/?p=4441"},"modified":"2012-10-14T18:24:27","modified_gmt":"2012-10-14T16:24:27","slug":"semaine-42-2012","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-42-2012","title":{"rendered":"Semaine 42-2012"},"content":{"rendered":"

Une citation<\/h2>\n

\u00ab\u00a0Nous gagnerions plus de nous laisser voir tels que nous sommes, que d’essayer de para\u00eetre ce que nous ne sommes pas.\u00a0\u00bb<\/p>\n

F. de La Rochefoucauld<\/p>\n

  <\/p>\n

Une image<\/h2>\n
\"Chenille<\/a>
Chenille de Bombyx du ch\u00eane (Saint-\u00c9tienne, juin 2012)<\/figcaption><\/figure>\n

  <\/p>\n

Le Bombyx du ch\u00eane (Lasiocampa quercus<\/em>), \u00e9galement nomm\u00e9 Minime \u00e0 bandes jaunes, est un Papillon de la famille des Lasiocampid\u00e9s.<\/p>\n

  <\/p>\n

Les Bombyx du ch\u00eane adultes<\/a> sont observ\u00e9s du mois de juin au mois d’ao\u00fbt. Ils fr\u00e9quentent principalement les for\u00eats peu denses et les landes bois\u00e9es.<\/p>\n

Leur dur\u00e9e de vie est br\u00e8ve, de l’ordre de quelques jours. En effet leurs pi\u00e8ces buccales \u00e9tant atrophi\u00e9es, ils ne s’alimentent pas.<\/p>\n

Les m\u00e2les volent plut\u00f4t de jour alors que les femelles sont actives la nuit.<\/p>\n

  <\/p>\n

La reproduction intervient en \u00e9t\u00e9.
\nApr\u00e8s l’accouplement, la femelle d\u00e9pose ses \u0153ufs dans la v\u00e9g\u00e9tation, sans rechercher des sites tr\u00e8s sp\u00e9cifiques.<\/p>\n

L’\u00e9closion intervient en automne et lib\u00e8re des chenilles<\/a> qui se nourrissent de plantes diverses, telles les ronces, l’aub\u00e9pine, la bruy\u00e8re ou encore de multiples arbres.
\nElles portent de courtes soies serr\u00e9es, de couleur noire, leur donnant un aspect velout\u00e9, auxquelles s’ajoutent de longues soies claires.<\/p>\n

\u00c0 l’arriv\u00e9e de l’hiver, elles se fixent \u00e0 des tiges de plantes et s’immobilisent. Elles entrent en l\u00e9thargie.
\nElles reprennent leur activit\u00e9 et leur croissance au printemps de l’ann\u00e9e suivante.<\/p>\n

Au mois de juin, alors que les chenilles ont atteint une longueur de 80 mm, elles \u00e9laborent un cocon de soie dans lequel elles ins\u00e8rent des soies corporelles.
\nElles se transforment en chrysalide<\/a> au sein de ce cocon et y subissent une m\u00e9tamorphose<\/a> qui les transforme en adultes.<\/p>\n

  <\/p>\n

Pour :<\/p>\n

\u2022 <\/span>acc\u00e9der \u00e0 des images de Bombyx du ch\u00eane adulte<\/a><\/p>\n

\u2022 <\/span>en savoir plus sur le cycle de vie des Papillons, consulter la page Dans l’intimit\u00e9 des Papillons<\/a> de ce site<\/p>\n

\u2022 <\/span>aux images des Papillons des parcs de Gerland et des berges du Rh\u00f4ne<\/a><\/p>\n

  <\/p>\n

\n","protected":false},"excerpt":{"rendered":"

Une citation \u00ab\u00a0Nous gagnerions plus de nous laisser voir tels que nous sommes, que d’essayer de para\u00eetre ce que nous ne sommes pas.\u00a0\u00bb F. de La Rochefoucauld   Une image   Le Bombyx du ch\u00eane (Lasiocampa quercus), \u00e9galement nomm\u00e9 Minime \u00e0 bandes jaunes, est un Papillon de la famille des Lasiocampid\u00e9s.   Les Bombyx du […]<\/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":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[28,17,23],"class_list":["post-4441","post","type-post","status-publish","format-standard","hentry","category-a-la-une","tag-biologie","tag-insecte","tag-observation"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t