{"id":4097,"date":"2025-06-19T17:21:27","date_gmt":"2025-06-19T15:21:27","guid":{"rendered":"https:\/\/avant4degres.fr\/?page_id=4097"},"modified":"2026-08-13T17:16:52","modified_gmt":"2026-08-13T15:16:52","slug":"humidite-4-les-insectes-xylophages","status":"publish","type":"page","link":"https:\/\/avant4degres.fr\/en\/humidite-4-les-insectes-xylophages\/","title":{"rendered":"Humidit\u00e9 #4\u00a0: les insectes xylophages"},"content":{"rendered":"
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Humidit\u00e9 #4 : les insectes xylophages<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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16 juin 2025<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Insectes\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Insectes\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Apr\u00e8s les champignons lignivores, il est temps d\u2019\u00e9voquer l\u2019autre terreur des charpentes, j\u2019ai nomm\u00e9 les insectes xylophages<\/strong>\u2026 Encore une fois, le sujet du diagnostic et des traitements est vaste et en cas de doute, il est imp\u00e9ratif de faire appel \u00e0 un expert (comme un diagnostiqueur termites certifi\u00e9).<\/p>

Pour rappel, le cycle biologique des insectes se d\u00e9roule ainsi\u00a0: adultes >\u0153ufs > larves > nymphes<\/strong>. Les adultes ne se nourrissent pas, ce sont les larves qui sont \u00e0 l\u2019origine des attaques sur le bois<\/strong>. Ce stade peut durer de plusieurs mois \u00e0 plusieurs ann\u00e9es. On distingue trois cat\u00e9gories d\u2019insectes parasites du bois\u00a0: les insectes de bois secs<\/strong> (dont le taux d\u2019humidit\u00e9 est compris entre 7% et 18%), les insectes de bois frais<\/strong> et les insectes nidificateurs<\/strong>. Je ne m\u2019attarderais ici que sur la premi\u00e8re cat\u00e9gorie car ce sont les plus dangereux, car les g\u00e9n\u00e9rations peuvent se succ\u00e9der jusqu\u2019\u00e0 provoquer la destruction de l\u2019\u00e9l\u00e9ment.<\/p>

Les insectes xylophages de bois secs se d\u00e9veloppent pr\u00e9f\u00e9rentiellement dans l\u2019aubier<\/strong> (la partie du bois la plus jeune et la plus tendre situ\u00e9e juste sous l\u2019\u00e9corce), mais peuvent parfois atteindre le duramen (la partie imputrescible du tronc) s\u2019il a \u00e9t\u00e9 fragilis\u00e9 par des champignons lignivores suite \u00e0 une exposition anormale \u00e0 l\u2019humidit\u00e9. Les plus couramment rencontr\u00e9s sont les capricornes, les hesp\u00e9rophanes, les grosses vrillettes, les petites vrillettes, les lyctus et les charan\u00e7ons<\/strong> qui font partie de l\u2019ordre des col\u00e9opt\u00e8res. Les attaques prennent la forme de petits trous ovales ou circulaires accompagn\u00e9s de vermoulures.<\/p>

Le second ordre d\u2019insectes xylophages est repr\u00e9sent\u00e9 par les termites souterrains et les termites de bois secs<\/strong>. Ils creusent des galeries dans le bois et laissent des cordonnets caract\u00e9ristiques. L\u2019Observatoire National Termite<\/span><\/a> r\u00e9pertorie les d\u00e9partements infest\u00e9s.<\/p>

\ud83d\udcd6 CTBA (2002) – Le traitement des bois<\/em>, \u00c9ditions Eyrolles, 140 p.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tJe veux une visite-analyse<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Humidit\u00e9 #4 : les insectes xylophages 16 juin 2025 Apr\u00e8s les champignons lignivores, il est temps d\u2019\u00e9voquer l\u2019autre terreur des charpentes, j\u2019ai nomm\u00e9 les insectes xylophages\u2026 Encore une fois, le sujet du diagnostic et des traitements est vaste et en cas de doute, il est imp\u00e9ratif de faire appel \u00e0 un expert (comme un diagnostiqueur […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_front_end_style_editor":"no","ocean_post_layout":"full-width","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"off","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"on","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"off","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","footnotes":""},"class_list":["post-4097","page","type-page","status-publish","hentry","entry"],"yoast_head":"\nHumidit\u00e9 #4\u00a0: les insectes xylophages - 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