{"id":13657,"date":"2025-04-15T11:09:32","date_gmt":"2025-04-15T09:09:32","guid":{"rendered":"https:\/\/www.sereni-d.com\/non-classifiee\/biologie-et-comportement-des-punaises-de-lit\/"},"modified":"2025-04-16T10:36:31","modified_gmt":"2025-04-16T08:36:31","slug":"biology-and-behaviour-of-bed-bugs","status":"publish","type":"post","link":"https:\/\/www.sereni-d.com\/en\/our-advice\/biology-and-behaviour-of-bed-bugs\/","title":{"rendered":"Understanding the biology and behaviour of bed bugs"},"content":{"rendered":"\n<p>As you have no doubt noticed, cases of bed bug infestation are on the increase, both in our homes and in public places. With the explosion in travel, global warming and a lack of knowledge about the subject, these little blood-sucking insects have found ideal conditions for spreading. The fight against this public health problem is being organised, starting with a thorough understanding of the biology and behaviour of bed bugs. Biological characteristics, lifestyle, reproduction: here is everything you need to know about Cimex lectularius. The aim is to understand them better in order to eliminate them more effectively.<\/p>\n\n\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-146ca11f1d745de5570a81c81c7f77f8 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center has-white-color has-text-color has-link-color wp-elements-e87f9d43f246244a780bedc2c7828198\">The article in brief<\/h2>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-6e3fb6a7eed9afa3a25224295c4e86b1\">\u27a1\ufe0f <strong>Cimex lectularius is the most common species of bed bug in France<\/strong>: a biting and sucking insect that is active at night and feeds only on human blood.<\/p>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-1c7c2af590f11632a1b63e28ef689732\">\u27a1\ufe0f <strong>The life cycle of a bed bug includes 6 stages<\/strong>: egg, 5 immature stages (nymphs) and then adult. Each moult requires a blood meal.<\/p>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-1b9abc6c7bb71ca7db72a48e549b5444\">\u27a1\ufe0f<strong> An adult female can lay up to 500 eggs in her lifetime<\/strong>. The eggs are extremely resistant and very difficult to eliminate.<\/p>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-2c9137560e1a6e45f4dd4305538ab2b9\">\u27a1\ufe0f <strong>Bedbugs hide in dark, narrow<\/strong> places, as close as possible to humans: mattress seams, box springs, cracks in furniture, baseboards.<\/p>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-f24e9159c6f1844d666424d457551931\">\u27a1\ufe0f Effective treatments combine heat (dry steam), cold (-20\u00b0C for 72 hours), thorough vacuuming and application of diatomaceous earth in nooks and crannies.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">The biological characteristics of bed bugs<\/h2>\n\n\n\n<p>These tiny but formidable insects have biological characteristics that explain their ability to adapt and proliferate in our homes.<\/p>\n\n\n\n<p>According to an ANSES report, between 2017 and 2022, 11% of households in France were contaminated by bed bugs (<a href=\"https:\/\/www.anses.fr\/fr\/content\/punaises-budget-qualite-vie-francais\">source<\/a>).<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column mobile-img-first is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"731\" height=\"777\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/04\/apparence-punaise-lit.png\" alt=\"sch\u00e9ma descriptif d'une punaise de lit\" class=\"wp-image-13635\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/04\/apparence-punaise-lit.png 731w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/04\/apparence-punaise-lit-282x300.png 282w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/04\/apparence-punaise-lit-600x638.png 600w\" sizes=\"auto, (max-width: 731px) 100vw, 731px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Cimex lectularius: the most common species in France<\/h3>\n\n\n\n<p>In France, the most common species of bed bugs is \u2018Cimex lectularius\u2019. For your information, there are two species on earth: \u2018Cimex lectularius\u2019 and \u2018Cimex hemipterus\u2019, which are part of the \u2018Cimicinae\u2019 subfamily.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Its main characteristics:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Biting-sucking insect<\/strong>: it feeds solely on human blood to survive and develop.<\/li>\n\n\n\n<li><strong>Oval, flattened body<\/strong>: handy for slipping into the smallest cracks, mattress seams, furniture or skirting boards.<\/li>\n\n\n\n<li><strong>Adult size<\/strong>: apple seed.<\/li>\n\n\n\n<li><strong>Nocturnal activity<\/strong>: bedbugs avoid light and mainly come out at night, when their host is still and asleep.<\/li>\n\n\n\n<li><strong>Incapable of jumping or flying<\/strong>: unlike other pests, they only move by walking.<\/li>\n\n\n\n<li><strong>Life expectancy:<\/strong> 6 to 12 months.<\/li>\n<\/ul>\n\n\n\n<p>There are a few natural predators such as the <a href=\"https:\/\/www.sereni-d.com\/en\/news\/velocifera-a-natural-predator-of-bed-bugs\/\" target=\"_blank\" rel=\"noreferrer noopener\">common swift<\/a>.<\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns mobile-img-first is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">An insect that feeds exclusively on human blood<\/h3>\n\n\n\n<p>At each stage of its life, bed bugs need to feed on blood in order to survive.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">What you need to know about their diet:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bed bugs must feed on blood before each moult.<\/li>\n\n\n\n<li>Average duration of a meal: 10 minutes.<\/li>\n\n\n\n<li>Time between 2 meals: 5 to 15 days.<\/li>\n\n\n\n<li>Both males and females bite.<\/li>\n\n\n\n<li>They are attracted to the CO\u2082 given off by our breathing and to our body odours, not directly to blood.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-2e6706f76207a95b7eedfeb02b892679 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-fd5b0ab9dc753a0de562f796492a12a1\"><strong><strong><strong>Good to know: Their saliva contains an anticoagulant that liquefies the blood and facilitates the meal. It also contains histamine, which is responsible for local inflammation and therefore for the appearance of the famous red spots.<\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"712\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/03\/piqures-jambes-punaises-de-lit-1024x712.jpeg\" alt=\"\" class=\"wp-image-12714\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/03\/piqures-jambes-punaises-de-lit-1024x712.jpeg 1024w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/03\/piqures-jambes-punaises-de-lit-300x209.jpeg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/03\/piqures-jambes-punaises-de-lit-768x534.jpeg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/03\/piqures-jambes-punaises-de-lit-600x417.jpeg 600w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/03\/piqures-jambes-punaises-de-lit.jpeg 1199w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column mobile-img-first is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"853\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever.jpg\" alt=\"chien qui dort\" class=\"wp-image-11924\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever.jpg 1280w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-1024x682.jpg 1024w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-768x512.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-600x400.jpg 600w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Can they bite animals?<\/h3>\n\n\n\n<p>Even though <em>Cimex lectularius<\/em> clearly prefers humans, some related species can also bite bats or birds. But in a domestic environment, bed bugs feed almost exclusively on human blood.<\/p>\n\n\n\n<p>\u27a1\ufe0f <strong>To find out more:<\/strong><a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bed-bugs-and-pets\/\" target=\"_blank\" rel=\"noreferrer noopener\"> What you need to know about bed bugs and pets<\/a><\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Life cycle of bed bugs: from eggs to adults<\/h2>\n\n\n\n<p>Like all insects, bed bugs have a life cycle consisting of several stages, from tiny eggs to adults capable of reproducing.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Stade<\/strong><\/td><td><strong><strong>Waist<\/strong><\/strong><\/td><td><strong><strong>Special features<\/strong><\/strong><\/td><\/tr><tr><td>Egg<\/td><td>1 mm<\/td><td>Very sticky, covered with a protective waxy layer, difficult to remove.<\/td><\/tr><tr><td>Stade 1 to 5 (nymphs)<\/td><td>1,5 \u00e0 4,5 mm<\/td><td>Need a blood meal to pass each stage. Nymphs resemble adults, but are smaller and lighter in colour.<\/td><\/tr><tr><td>Adult<\/td><td>5 \u00e0 7 mm<\/td><td>An active reproducer, a female lays up to 500 eggs in her lifetime.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"819\" height=\"1024\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/10\/duree-vie-punaises-de-lit-819x1024.jpg\" alt=\"infographie caract\u00e9ristiques punaises de lit\" class=\"wp-image-9404\" style=\"object-fit:contain;width:700px;height:1100px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/10\/duree-vie-punaises-de-lit-819x1024.jpg 819w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/10\/duree-vie-punaises-de-lit-240x300.jpg 240w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/10\/duree-vie-punaises-de-lit-768x960.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/10\/duree-vie-punaises-de-lit-600x750.jpg 600w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/10\/duree-vie-punaises-de-lit.jpg 1200w\" sizes=\"auto, (max-width: 819px) 100vw, 819px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>Temperature plays a key role in the development of bed<\/strong> bugs. The warmer it is, the faster they develop. Conversely, low temperatures greatly slow their growth.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key points to remember about the life cycle of bed bugs<\/h3>\n\n\n\n<p>\u27a1\ufe0f Each adult female lays an average of 3 to 5 eggs per day.<\/p>\n\n\n\n<p>\u27a1\ufe0f A bed bug goes through 5 immature stages called <em>nymphs <\/em>(falsely referred to as <a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bed-bug-larvae\/\">larvae of bed bugs<\/a>).<\/p>\n\n\n\n<p>\u27a1\ufe0f With each moult, a blood meal is essential to move on to the next stage.<\/p>\n\n\n\n<p>\u27a1\ufe0f The eggs are extremely resistant to conventional insecticides because of their waxy shell.<\/p>\n\n\n\n<p>\u27a1\ufe0f Temperatures strongly influence the speed of development:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>At 28\u00b0C: a complete cycle (egg \u2192 adult) lasts 45 days.<\/li>\n\n\n\n<li>At 18\u00b0C: the cycle is slowed to around 100 days.<\/li>\n\n\n\n<li>At 13\u00b0C: the evolution can take up to 5 months.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Lifestyle of bed bugs<\/h2>\n\n\n\n<p>Discreet, tenacious and perfectly adapted to the human environment, bed bugs develop very specific behaviours to survive and multiply.<\/p>\n\n\n\n<div class=\"wp-block-columns mobile-img-first is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Insects that live exclusively alongside humans<\/h3>\n\n\n\n<p><em>Cimex lectularius<\/em> is a parasitic <strong>insect strictly linked to humans<\/strong>: <strong>it does not naturally live outside <\/strong>(except in exceptional conditions). It seeks out the proximity of a human host in order to feed on blood (it is a haematophagous insect at all stages of its life).<\/p>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-43daa30988b388d9de978973940b8955 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-19486c8b479fd4a1b470edd08199ddf9\"><strong><strong><strong>They are essentially nocturnal: they flee from light and mainly come out at night, when the host is immobile. When a population becomes too large, they can sometimes be seen during the day.<\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Eviter-de-ramener-des-punaises-de-lit-chez-soi-1024x576.jpg\" alt=\"\" class=\"wp-image-3738\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Eviter-de-ramener-des-punaises-de-lit-chez-soi-1024x576.jpg 1024w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Eviter-de-ramener-des-punaises-de-lit-chez-soi-300x169.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Eviter-de-ramener-des-punaises-de-lit-chez-soi-768x432.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Eviter-de-ramener-des-punaises-de-lit-chez-soi-600x338.jpg 600w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Eviter-de-ramener-des-punaises-de-lit-chez-soi.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column mobile-img-first is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"801\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Inspecter-le-matelas-pour-detecter-les-punaises-de-lit.jpg\" alt=\"\" class=\"wp-image-3751\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Inspecter-le-matelas-pour-detecter-les-punaises-de-lit.jpg 1200w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Inspecter-le-matelas-pour-detecter-les-punaises-de-lit-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Inspecter-le-matelas-pour-detecter-les-punaises-de-lit-1024x684.jpg 1024w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Inspecter-le-matelas-pour-detecter-les-punaises-de-lit-768x513.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Inspecter-le-matelas-pour-detecter-les-punaises-de-lit-600x401.jpg 600w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Where do bed bugs hide?<\/h3>\n\n\n\n<p>Their objective: to stay as close as possible to their food source (humans), in dark, <strong>narrow and difficult to access<\/strong> places.<\/p>\n\n\n\n<p>They are mainly found:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In clothing, curtains, bags or luggage in the event of an advanced infestation.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bedbugs-in-the-mattress-inspection-and-processing\/\" target=\"_blank\" rel=\"noreferrer noopener\">In the seams of mattresses and box springs<\/a>.<\/li>\n\n\n\n<li>Behind skirting boards, cracks in walls or furniture.<\/li>\n\n\n\n<li>Under bed slats, in the gaps of furniture.<\/li>\n\n\n\n<li>Behind headboards, frames, pictures or electrical sockets.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns mobile-img-first is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">How do bed bugs move?<\/h3>\n\n\n\n<p>A bed bug moves quickly when walking. It does not fly or jump.<\/p>\n\n\n\n<p>These insects can <strong>migrate from room to room through cracks, ducts, sockets or furniture<\/strong>.<\/p>\n\n\n\n<p>In a building, they will <strong>move from floor to floor through pipes, electrical ducts, air conditioning systems, etc.<\/strong> They can also attach themselves to the clothes and other fabrics of the occupants.<\/p>\n\n\n\n<p>Also beware of the <a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bed-bugs-in-a-hotel\/%E2%80%99\" target=\"_blank\" rel=\"noreferrer noopener\">presence of bed bugs in hotels<\/a> or <a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bed-bugs-in-airbnb\/%E2%80%99\" target=\"_blank\" rel=\"noreferrer noopener\">Airbnb<\/a> accommodation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How do they communicate?<\/h3>\n\n\n\n<p>Bed bugs use <strong>aggregation pheromones to group together<\/strong> in hiding places.<\/p>\n\n\n\n<p>They are also guided by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The CO\u2082 released by human respiration.<\/li>\n\n\n\n<li>Body heat.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/bebe-punaise-de-lit.jpeg\" alt=\"punaise de lit sur un tissu\" class=\"wp-image-9748\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/bebe-punaise-de-lit.jpeg 800w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/bebe-punaise-de-lit-300x200.jpeg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/bebe-punaise-de-lit-768x512.jpeg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/bebe-punaise-de-lit-600x400.jpeg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Reproduction of bed bugs<\/h2>\n\n\n\n<p>The reproductive capacity of bed bugs is one of the main reasons for their rapid proliferation. The cycle is short, there are numerous egg-laying episodes and the eggs are particularly resistant.<\/p>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-57c05315090580fb2dde8f17eed09a1a is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-white-color has-text-color has-link-color wp-elements-1fd9058ced09378e0094826a51da436b\"><strong><strong><strong><strong><strong>Female bed bugs lay up to 5 eggs a day and around 500 eggs in their lifetime.<\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p>These eggs are tiny (1 mm), white and covered with a waxy layer that makes them very difficult to remove or kill with conventional insecticides.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A specific behaviour: traumatic insemination<\/h3>\n\n\n\n<p>Bed bugs mate in a particular way. <strong>The male directly pierces the female&#8217;s abdomen to inject his sperm<\/strong>. This is known as traumatic insemination. This method of reproduction is extremely aggressive for the female, which explains why some of them leave the nest to form satellite colonies in other areas of the home. For information, in a population of bed bugs, there are approximately 60% males and 40% females.<\/p>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-2c9f55b5175738bf94c23d506bca8f93 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center has-white-color has-text-color has-link-color wp-elements-a15a50a47ccfba5e1a2c8791c575819b\"><strong><strong><strong><strong>Good to know: traumatic insemination circulates genetic information.<\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Satellite colonies: behaviour that causes massive infestations<\/h3>\n\n\n\n<p>When an infestation becomes significant, <strong>the females flee areas that are too crowded or too exposed to the males<\/strong>. They hide in other quieter places (distant furniture, other rooms, clothes, bags, etc.).<\/p>\n\n\n\n<p>This is how the infestation gradually spreads throughout an entire apartment, building or even a hotel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Effective treatment measures<\/h2>\n\n\n\n<p>When faced with an infestation of bed bugs, a partial or approximate treatment is often doomed to failure. To get rid of these insects for good, it is essential to <a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bedbugs-treatments-symptoms-causes-and-prevention\/\" target=\"_blank\" rel=\"noreferrer noopener\">combine several complementary techniques<\/a>, following a rigorous protocol.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column mobile-img-first is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Le-nettoyeur-vapeur-pour-tuer-les-punaises-de-lit-dans-le-matelas.jpg\" alt=\"\" class=\"wp-image-3753\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Le-nettoyeur-vapeur-pour-tuer-les-punaises-de-lit-dans-le-matelas.jpg 1200w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Le-nettoyeur-vapeur-pour-tuer-les-punaises-de-lit-dans-le-matelas-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Le-nettoyeur-vapeur-pour-tuer-les-punaises-de-lit-dans-le-matelas-1024x683.jpg 1024w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Le-nettoyeur-vapeur-pour-tuer-les-punaises-de-lit-dans-le-matelas-768x512.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/Le-nettoyeur-vapeur-pour-tuer-les-punaises-de-lit-dans-le-matelas-600x400.jpg 600w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Thermal treatments: steam and cold<\/h3>\n\n\n\n<p>Extreme heat and cold are the only truly effective methods against all stages of development, including eggs.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Heat treatment<\/h4>\n\n\n\n<p>Use a dry steam cleaner (minimum 120\u00b0C). Direct contact with steam instantly kills bed bugs, larvae and eggs.<\/p>\n\n\n\n<p>Important: <strong>steam is effective up to a maximum distance of 5 cm<\/strong>. Beyond that, it loses its lethal power.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Cold treatment<\/h4>\n\n\n\n<p>Place contaminated objects in the <strong>freezer at -20\u00b0C for at least 72 hours<\/strong>. Warning: freezing for 24 hours is not enough. Bugs can survive at -20\u00b0C if the time is too short. This type of treatment eliminates bed bugs, their larvae and their eggs.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns mobile-img-first is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Diatomaceous earth: a natural and long-lasting treatment<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.sereni-d.com\/en\/conseils\/diatomaceous-earth-against-bedbugs-how-to-use-it\/\" target=\"_blank\" rel=\"noreferrer noopener\">Diatomaceous earth<\/a> is a mineral powder that acts by mechanical means. It kills and dries out bed bugs in 4 to 5 days.<\/p>\n\n\n\n<p>It is particularly useful for areas that are difficult to access: behind skirting boards, in electrical sockets (only in sachets), under furniture, etc.<\/p>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-ba744f02146b276ac8e7b7f111cf26f7 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-639aa4d776c14690b4eb76e528c53a91\"><strong><strong><strong><strong>Good to know: <\/strong><a href=\"https:\/\/www.sereni-d.com\/en\/news\/terre-de-sommiere\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>clay from Somme<\/strong><\/a><strong> is effective in killing bed bugs.<\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/07\/FR-TERRE-D.png\" alt=\"\" class=\"wp-image-7308\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/07\/FR-TERRE-D.png 800w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/07\/FR-TERRE-D-300x300.png 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/07\/FR-TERRE-D-150x150.png 150w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/07\/FR-TERRE-D-768x768.png 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/07\/FR-TERRE-D-600x600.png 600w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2024\/07\/FR-TERRE-D-200x200.png 200w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column mobile-img-first is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/woman-vacuuming-the-parquet-floor-in-the-room-with-2022-01-05-07-44-37-utc.jpg\" alt=\"\" class=\"wp-image-868\" style=\"border-radius:10px\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/woman-vacuuming-the-parquet-floor-in-the-room-with-2022-01-05-07-44-37-utc.jpg 1200w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/woman-vacuuming-the-parquet-floor-in-the-room-with-2022-01-05-07-44-37-utc-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/woman-vacuuming-the-parquet-floor-in-the-room-with-2022-01-05-07-44-37-utc-1024x683.jpg 1024w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/woman-vacuuming-the-parquet-floor-in-the-room-with-2022-01-05-07-44-37-utc-768x512.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/06\/woman-vacuuming-the-parquet-floor-in-the-room-with-2022-01-05-07-44-37-utc-600x400.jpg 600w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Vacuuming: an essential daily task<\/h3>\n\n\n\n<p>Vacuum thoroughly:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seams of mattresses and box springs<\/li>\n\n\n\n<li>Cracks in furniture and baseboards<\/li>\n\n\n\n<li>Dark corners where bed bugs like to hide<\/li>\n<\/ul>\n\n\n\n<p>Then dispose of the contents in an airtight bag outside.<\/p>\n\n\n\n<p>\u27a1\ufe0f <strong>To find out more: <\/strong><a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bed-bugs-a-step-by-step-protocol-for-action\/\" target=\"_blank\" rel=\"noreferrer noopener\">The complete protocol for bed bug treatment.<\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<div class=\"wp-block-faq-block-for-gutenberg-faq\" style=\"background:#f6f7f7\"><div class=\"question\" style=\"background:none;color:#000\"><h4 style=\"color:#000\">How big are adult bed bugs?<\/h4><\/div><div class=\"answer\" style=\"background:none;color:#000\">Adult bed bugs are about 5 to 7 mm long. They have an oval, flattened body that is reddish-brown after feeding on blood.<\/div><\/div>\n\n\n\n<div class=\"wp-block-faq-block-for-gutenberg-faq\" style=\"background:#f6f7f7\"><div class=\"question\" style=\"background:none;color:#000\"><h4 style=\"color:#000\">Can bed bugs live without blood?<\/h4><\/div><div class=\"answer\" style=\"background:none;color:#000\">Yes. When fully grown, bed bugs can survive without feeding for 6 to 12 months, depending on the temperature and humidity.<\/div><\/div>\n\n\n\n<div class=\"wp-block-faq-block-for-gutenberg-faq\" style=\"background:#f6f7f7\"><div class=\"question\" style=\"background:none;color:#000\"><h4 style=\"color:#000\">How long does it take for bed bugs to become adults?<\/h4><\/div><div class=\"answer\" style=\"background:none;color:#000\">On average, it takes 45 days at 28\u00b0C for bed bugs to develop from an egg to an adult. This period can be as long as 100 days if the temperature is lower (18\u00b0C).<\/div><\/div>\n\n\n\n<div class=\"wp-block-faq-block-for-gutenberg-faq\" style=\"background:#f6f7f7\"><div class=\"question\" style=\"background:none;color:#000\"><h4 style=\"color:#000\">How can you recognise a bed bug egg?<\/h4><\/div><div class=\"answer\" style=\"background:none;color:#000\">A bed bug egg is tiny (about 1 mm), white and slightly shiny. It is often stuck to surfaces (seams in mattresses, cracks in furniture) thanks to a waxy substance that makes it very difficult to remove.<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>As you have no doubt noticed, cases of bed bug infestation are on the increase, both in our homes and in public places. With the explosion in travel, global warming and a lack of knowledge about the subject, these little blood-sucking insects have found ideal conditions for spreading. The fight against this public health problem [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4082,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1,71],"tags":[],"class_list":["post-13657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","category-our-advice"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bed bugs: what you need to know- Sereni-d\u00ae<\/title>\n<meta name=\"description\" content=\"Life cycle, reproduction, diet, hiding places, lifespan, etc. Here is all the information on the biology and behaviour of bed bugs. 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