{"id":1691,"date":"2014-05-24T16:57:11","date_gmt":"2014-05-24T21:57:11","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=1691"},"modified":"2014-05-24T16:57:11","modified_gmt":"2014-05-24T21:57:11","slug":"la-temperature-influence-le-sexe-dun-insecte-parasite","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/la-temperature-influence-le-sexe-dun-insecte-parasite\/","title":{"rendered":"La temp\u00e9rature influence le sexe d&#8217;un insecte parasite<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_1672\" style=\"width: 313px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/4831-parasitoide-trichogramme.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1672\" class=\"size-full wp-image-1672\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/4831-parasitoide-trichogramme.jpg\" alt=\"La gu\u00eape parasitique Trichogramma euproctidis pond ses oeufs \u00e0 l\u2019int\u00e9rieur de larve de pyrale, tuant ainsi la pyrale dans l\u2019oeuf.  (Cr\u00e9dit : Universit\u00e9 de Montr\u00e9al)\" width=\"303\" height=\"185\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/4831-parasitoide-trichogramme.jpg 303w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/4831-parasitoide-trichogramme-300x183.jpg 300w\" sizes=\"auto, (max-width: 303px) 100vw, 303px\" \/><\/a><p id=\"caption-attachment-1672\" class=\"wp-caption-text\">La gu\u00eape parasitique Trichogramma euproctidis pond ses oeufs \u00e0 l\u2019int\u00e9rieur de larve de pyrale, tuant ainsi la pyrale dans l\u2019oeuf. (Cr\u00e9dit : Universit\u00e9 de Montr\u00e9al)<\/p><\/div>\n<p><span style=\"color: #000000;\">Les \u00e9v\u00e8nements climatiques extr\u00eames pourraient influencer la proportion entre les sexes d\u2019un parasite qui s\u2019attaque \u00e0 la pyrale du ma\u00efs, un ravageur qui s\u2019attaque aux r\u00e9coltes du Qu\u00e9bec. <\/span><\/p>\n<p><span style=\"color: #000000;\">La gu\u00eape parasitique <\/span><span style=\"font-style: italic; color: #000000;\">Trichogramma euproctidis<\/span><span style=\"color: #000000;\"> pond ses oeufs \u00e0 l\u2019int\u00e9rieur de larve de pyrale, tuant ainsi la pyrale dans l\u2019oeuf. Une nouvelle \u00e9tude montre que moins de femelles naissent \u00e0 de faibles temp\u00e9ratures (14\u00b0C) et \u00e0 de hautes temp\u00e9ratures (34\u00b0C). Puisque les femelles vivent plus longtemps et peuvent pondre des oeufs sans \u00eatre fertilis\u00e9es, les temp\u00e9ratures extr\u00eames pourraient avoir un impact n\u00e9gatif sur ces gu\u00eapes, ce qui faciliterait la vie de la pyrale du ma\u00efs.<\/span><\/p>\n<p>Pour lire l\u2019article original publi\u00e9 dans\u00a0<em>Animal Behaviour<\/em><em>\u00a0<\/em>le\u00a0<strong>21 Mai<\/strong><strong>\u00a02014<\/strong>,\u00a0<span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0003347214001067\" target=\"_blank\"><span>cliquez\u00a0ici<\/span><\/a><\/span>.<\/p>\n<p><span style=\"text-decoration: underline;\"><span><em><strong>Auteur \u00e0 contacter pour plus d\u2019informations<\/strong><\/em><\/span><\/span><\/p>\n<h4><a style=\"color: #1155cc;\" href=\"http:\/\/www.irbv.umontreal.ca\/personnel\/postdoctoraux\" target=\"_blank\">Joffrey Moiroux<\/a><span style=\"color: #000000;\">, Universit\u00e9 de Montr\u00e9al, Quebec<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Les \u00e9v\u00e8nements climatiques extr\u00eames pourraient influencer la proportion entre les sexes d\u2019un parasite qui s\u2019attaque \u00e0 la pyrale du ma\u00efs, un ravageur qui s\u2019attaque aux r\u00e9coltes du Qu\u00e9bec. La gu\u00eape parasitique Trichogramma euproctidis pond ses oeufs \u00e0 l\u2019int\u00e9rieur de larve de pyrale, tuant ainsi la pyrale dans l\u2019oeuf. Une nouvelle \u00e9tude montre que moins de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1672,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[531],"tags":[235,66,1263,919,842],"class_list":["post-1691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-animaux","tag-biologie","tag-comportement-animal","tag-evolution-fr","tag-quebec"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/4831-parasitoide-trichogramme.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-rh","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=1691"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1691\/revisions"}],"predecessor-version":[{"id":1692,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1691\/revisions\/1692"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/1672"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=1691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=1691"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=1691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}