{"id":6017,"date":"2026-10-30T07:53:15","date_gmt":"2026-10-30T07:53:15","guid":{"rendered":"https:\/\/apimondia.org\/?p=6017"},"modified":"2026-10-30T07:54:43","modified_gmt":"2026-10-30T07:54:43","slug":"first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees","status":"publish","type":"post","link":"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/","title":{"rendered":"Premier bilan de la toxicit\u00e9 du herbicide bentazone chez les abeilles"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Les herbicides peuvent avoir des effets l\u00e9taux et sub-lettaux sur les abeilles mellif\u00e8res. Une nouvelle \u00e9tude, r\u00e9alis\u00e9e en \u00c9gypte et publi\u00e9e dans la revue\u00a0<em>Journal de la recherche apicole<\/em>, Les auteurs de l\u2019\u00e9tude ont \u00e9valu\u00e9, pour la premi\u00e8re fois, la toxicit\u00e9 aigu\u00eb et chronique d\u2019un herbicide \u00e0 base de bentazone sur les ouvri\u00e8res des abeilles mellif\u00e8res. Un herbicide couramment utilis\u00e9 dans les cultures de ma\u00efs et de l\u00e9gumes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les r\u00e9sultats ont montr\u00e9 une toxicit\u00e9 aigu\u00eb orale, avec des valeurs de LC\u2085\u2080 de 4,077, 3,747 et 3,579 mg mL\u207b\u00b9 respectivement apr\u00e8s 48, 72 et 96 heures. Les effets chroniques semblent encore plus inqui\u00e9tants. Apr\u00e8s une exposition \u00e0 deux doses sub-letales (1\/5 et 1\/10 de la LC\u2085\u2080 \u00e0 96 heures), les chercheurs ont observ\u00e9 une diminution de la consommation de pollen, une diminution de l\u2019activit\u00e9 de l\u2019ac\u00e9tylcholinesterase et une diminution de la teneur en prot\u00e9ines dans les abeilles mellif\u00e8res, ainsi qu\u2019une alt\u00e9ration significative de la structure cellulaire du tube digestif des abeilles mellif\u00e8res.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aller \u00e0 l'article scientifique\u00a0<strong><a href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/00218839.2026.2742628\" target=\"_blank\" rel=\"noopener\">ici<\/a><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Herbicides can have lethal and sub-lethal effects on honey bees. A new study, conducted in Egypt and published in the\u00a0Journal of Apicultural Research, has evaluated, for the first time, the acute and chronic toxicity of a bentazone-based herbicide to honey bee workers.\u00a0A\u00a0herbicide\u00a0that is\u00a0commonly used in maize and vegetable crops. The results showed acute oral toxicity, with LC\u2085\u2080 values of 4.077, 3.747, and 3.579 mg mL\u207b\u00b9 after 48, 72, and 96 hours, respectively. The chronic effects appear to be even more worrying. Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut.<\/p>","protected":false},"author":3,"featured_media":6018,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,6],"tags":[],"class_list":["post-6017","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","category-news"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Herbicides can have lethal and sub-lethal effects on honey bees. A new study, conducted in Egypt and published in the Journal of Apicultural Research, has evaluated, for the first time, the acute and chronic toxicity of a bentazone-based herbicide to honey bee workers. A herbicide that is commonly used in maize and vegetable crops. The results showed acute oral toxicity, with LC\u2085\u2080 values of 4.077, 3.747, and 3.579 mg mL\u207b\u00b9 after 48, 72, and 96 hours, respectively. The chronic effects appear to be even more worrying. Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Matteo Giusti\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"APIMONDIA - International Federation of Beekeepers\u00b4 Association\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees - APIMONDIA\" \/>\n\t\t<meta property=\"og:description\" content=\"Herbicides can have lethal and sub-lethal effects on honey bees. A new study, conducted in Egypt and published in the Journal of Apicultural Research, has evaluated, for the first time, the acute and chronic toxicity of a bentazone-based herbicide to honey bee workers. A herbicide that is commonly used in maize and vegetable crops. The results showed acute oral toxicity, with LC\u2085\u2080 values of 4.077, 3.747, and 3.579 mg mL\u207b\u00b9 after 48, 72, and 96 hours, respectively. The chronic effects appear to be even more worrying. Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/apimondia.org\/wp-content\/uploads\/2026\/10\/Honey-bee-worker-on-fennel-flower-by-Joselodos-Wikipedia.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/apimondia.org\/wp-content\/uploads\/2026\/10\/Honey-bee-worker-on-fennel-flower-by-Joselodos-Wikipedia.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t\t<meta property=\"og:image:height\" content=\"836\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-10-30T07:53:15+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-10-30T07:54:43+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/apimondiafederation\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@apimondia\" \/>\n\t\t<meta name=\"twitter:title\" content=\"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees - APIMONDIA\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Herbicides can have lethal and sub-lethal effects on honey bees. A new study, conducted in Egypt and published in the Journal of Apicultural Research, has evaluated, for the first time, the acute and chronic toxicity of a bentazone-based herbicide to honey bee workers. A herbicide that is commonly used in maize and vegetable crops. The results showed acute oral toxicity, with LC\u2085\u2080 values of 4.077, 3.747, and 3.579 mg mL\u207b\u00b9 after 48, 72, and 96 hours, respectively. The chronic effects appear to be even more worrying. Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut.\" \/>\n\t\t<meta name=\"twitter:creator\" content=\"@apimondia\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/apimondia.org\/wp-content\/uploads\/2025\/10\/apimondia-logo-small-1.webp\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/apimondia.org\\\/fra\\\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\\\/#blogposting\",\"name\":\"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees - APIMONDIA\",\"headline\":\"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees\",\"author\":{\"@id\":\"https:\\\/\\\/apimondia.org\\\/fra\\\/author\\\/pressapimondia-org\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/apimondia.org\\\/fra\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/apimondia.org\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/Honey-bee-worker-on-fennel-flower-by-Joselodos-Wikipedia.jpg\",\"width\":1600,\"height\":836,\"caption\":\"The results showed acute oral toxicity, with LC\\u2085\\u2080 values of 4.077, 3.747, and 3.579 mg mL\\u207b\\u00b9 after 48, 72, and 96 hours, respectively. 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Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut.","canonical_url":"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/#blogposting","name":"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees - APIMONDIA","headline":"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees","author":{"@id":"https:\/\/apimondia.org\/fra\/author\/pressapimondia-org\/#author"},"publisher":{"@id":"https:\/\/apimondia.org\/fra\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/apimondia.org\/wp-content\/uploads\/2026\/10\/Honey-bee-worker-on-fennel-flower-by-Joselodos-Wikipedia.jpg","width":1600,"height":836,"caption":"The results showed acute oral toxicity, with LC\u2085\u2080 values of 4.077, 3.747, and 3.579 mg mL\u207b\u00b9 after 48, 72, and 96 hours, respectively. 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Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut.","inLanguage":"fr-FR","isPartOf":{"@id":"https:\/\/apimondia.org\/fra\/#website"},"breadcrumb":{"@id":"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/#breadcrumblist"},"author":{"@id":"https:\/\/apimondia.org\/fra\/author\/pressapimondia-org\/#author"},"creator":{"@id":"https:\/\/apimondia.org\/fra\/author\/pressapimondia-org\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/apimondia.org\/wp-content\/uploads\/2026\/10\/Honey-bee-worker-on-fennel-flower-by-Joselodos-Wikipedia.jpg","@id":"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/#mainImage","width":1600,"height":836,"caption":"The results showed acute oral toxicity, with LC\u2085\u2080 values of 4.077, 3.747, and 3.579 mg mL\u207b\u00b9 after 48, 72, and 96 hours, respectively. The chronic effects appear to be even more worrying. Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut."},"primaryImageOfPage":{"@id":"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/#mainImage"},"datePublished":"2026-10-30T07:53:15+00:00","dateModified":"2026-10-30T07:54:43+00:00"},{"@type":"WebSite","@id":"https:\/\/apimondia.org\/fra\/#website","url":"https:\/\/apimondia.org\/fra\/","name":"APIMONDIA","description":"International Federation of Beekeepers\u00b4 Association","inLanguage":"fr-FR","publisher":{"@id":"https:\/\/apimondia.org\/fra\/#organization"}}]},"og:locale":"fr_FR","og:site_name":"APIMONDIA - International Federation of Beekeepers\u00b4 Association","og:type":"article","og:title":"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees - APIMONDIA","og:description":"Herbicides can have lethal and sub-lethal effects on honey bees. A new study, conducted in Egypt and published in the Journal of Apicultural Research, has evaluated, for the first time, the acute and chronic toxicity of a bentazone-based herbicide to honey bee workers. A herbicide that is commonly used in maize and vegetable crops. The results showed acute oral toxicity, with LC\u2085\u2080 values of 4.077, 3.747, and 3.579 mg mL\u207b\u00b9 after 48, 72, and 96 hours, respectively. The chronic effects appear to be even more worrying. Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut.","og:url":"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/","og:image":"https:\/\/apimondia.org\/wp-content\/uploads\/2026\/10\/Honey-bee-worker-on-fennel-flower-by-Joselodos-Wikipedia.jpg","og:image:secure_url":"https:\/\/apimondia.org\/wp-content\/uploads\/2026\/10\/Honey-bee-worker-on-fennel-flower-by-Joselodos-Wikipedia.jpg","og:image:width":"1600","og:image:height":"836","article:published_time":"2026-10-30T07:53:15+00:00","article:modified_time":"2026-10-30T07:54:43+00:00","article:publisher":"https:\/\/www.facebook.com\/apimondiafederation","twitter:card":"summary_large_image","twitter:site":"@apimondia","twitter:title":"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees - APIMONDIA","twitter:description":"Herbicides can have lethal and sub-lethal effects on honey bees. A new study, conducted in Egypt and published in the Journal of Apicultural Research, has evaluated, for the first time, the acute and chronic toxicity of a bentazone-based herbicide to honey bee workers. A herbicide that is commonly used in maize and vegetable crops. The results showed acute oral toxicity, with LC\u2085\u2080 values of 4.077, 3.747, and 3.579 mg mL\u207b\u00b9 after 48, 72, and 96 hours, respectively. The chronic effects appear to be even more worrying. Following exposure to two sub-lethal doses (1\/5 and 1\/10 of the LC\u2085\u2080 at 96 hours), the researchers reported reduced pollen consumption, decreased acetylcholinesterase activity and protein content in honey bees, and significant damage to the cellular structure of the honey bee midgut.","twitter:creator":"@apimondia","twitter:image":"https:\/\/apimondia.org\/wp-content\/uploads\/2025\/10\/apimondia-logo-small-1.webp"},"aioseo_meta_data":{"post_id":"6017","title":null,"description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"featured","og_image_url":"https:\/\/apimondia.org\/wp-content\/uploads\/2026\/10\/Honey-bee-worker-on-fennel-flower-by-Joselodos-Wikipedia.jpg","og_image_width":"1600","og_image_height":"836","og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":{"subject":"","preview":"","content":""},"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2026-10-30 07:53:17","updated":"2026-10-30 08:54:18","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/apimondia.org\/fra\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/apimondia.org\/fra\/category\/uncategorized\/\" title=\"Highlights\">Highlights<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tFirst Evaluation of Bentazone Herbicide Toxicity on Honey Bees\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/apimondia.org\/fra\/"},{"label":"Highlights","link":"https:\/\/apimondia.org\/fra\/category\/uncategorized\/"},{"label":"First Evaluation of Bentazone Herbicide Toxicity on Honey Bees","link":"https:\/\/apimondia.org\/fra\/first-evaluation-of-bentazone-herbicide-toxicity-on-honey-bees\/"}],"_links":{"self":[{"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/posts\/6017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/comments?post=6017"}],"version-history":[{"count":1,"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/posts\/6017\/revisions"}],"predecessor-version":[{"id":6019,"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/posts\/6017\/revisions\/6019"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/media\/6018"}],"wp:attachment":[{"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/media?parent=6017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/categories?post=6017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apimondia.org\/fra\/wp-json\/wp\/v2\/tags?post=6017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}