{"id":17613,"date":"2016-03-04T00:00:08","date_gmt":"2016-03-04T04:00:08","guid":{"rendered":"http:\/\/beyondpesticides.org\/dailynewsblog\/?p=17613"},"modified":"2016-03-04T10:24:29","modified_gmt":"2016-03-04T14:24:29","slug":"chlorpyrifos-reduces-memory-and-learning-in-exposed-bees","status":"publish","type":"post","link":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/","title":{"rendered":"Chlorpyrifos Reduces Memory and Learning in Exposed Bees"},"content":{"rendered":"<p>(<em>Beyond Pesticides,<\/em> March 4, 2016) Honey bees experience a learning and memory deficit after ingesting small doses of the insecticide \u00a0chlorpyrifos, potentially threatening their success and survival, according to a study in \u00a0New Zealand. Chlorpyrifos is a highly neurotoxic organophosphate pesticide used worldwide on crops to protect against insects and mites.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-12894\" src=\"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/03\/Bees.jpg\" alt=\"Bees\" width=\"268\" height=\"178\" align=\"right\" srcset=\"https:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/03\/Bees.jpg 730w, https:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/03\/Bees-300x199.jpg 300w\" sizes=\"auto, (max-width: 268px) 100vw, 268px\" \/>The study, \u00a0<a href=\"http:\/\/link.springer.com\/article\/10.1007%2Fs10886-016-0672-4\">Measurements of Chlorpyrifos Levels in Forager Bees and Comparison with Levels that Disrupt Honey Bee Odor-Mediated Learning Under Laboratory Conditions<\/a>, \u00a0published in \u00a0<em>Ecology<\/em>, examines chlorpyrifos levels in \u00a0bees collected from 17 locations in Otago, New Zealand and compared doses of the pesticide that cause sub-lethal effects on learning performance under laboratory conditions with amounts of chlorpyrifos detected in bees in the field. Researchers found chlorpyrifos in 17% of the sites sampled and 12% of the colonies examined. Honey bees are found to experience harmful effects to smell memory and learning, and reduction in specificity of memory recall.<\/p>\n<p>Chlorpyrifos is just one of many pesticides that have frequently been detected in honey bees. According to a study conducted last year by the U.S. Geological Survey (USGS), 72% of bees tested positive for pesticide residues, raising concerns about \u00a0unintended pesticide exposures where land uses overlap or are in proximity to one another. Researchers find residues of the \u00a0bee-toxic neonicotinoids thiamethoxam (46%), clothianidin (24%), imidacloprid (13%), as well as fipronil desulfinyl (7%; degradate). They also detected \u00a0bifenthrin (28%) and chlorpyrifos (17%), and the fungicides azoxystrobin (17%), pyraclostrobin (11%), fluxapyroxad (9%), and propiconazole (9%), along with the herbicides atrazine (19%) and metolachlor (9%).<\/p>\n<p>Honey bees are not the only living organisms adversely affected by chlorpyrifos exposure. Studies have documented that exposure to low levels of organophosphates like chlorpyrifos during pregnancy \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/dailynewsblog\/?p=7864\">can impair learning<\/a>, change brain function, and alter thyroid levels of offspring into adulthood. The evidence of the neurotoxic dangers associated with chlorpyrifos\u2019 exposure is extensive and consistent. See the \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/health\/index.php\">Pesticide Induced-Disease Database (PIDD)<\/a> \u00a0for more information.<\/p>\n<p>In fall of 2015, EPA <a href=\"http:\/\/beyondpesticides.org\/dailynewsblog\/2015\/11\/epa-takes-long-awaited-action-to-eliminate-neurotoxic-chlorpyrifos-in-agriculture\/\">proposed to revoke all food tolerances for chlorpyrifos<\/a>. If EPA\u2019s rule is finalized, chlorpyrifos would be effectively eliminated from use in agriculture 15 years after consumer uses were discontinued. However, non-food uses, including application to golf courses, turf, greenhouses and for public health mosquito control, are not affected by this decision and will remain.<\/p>\n<p>Chlorpyrifos leads a list of numerous toxic chemicals that are central to chemical-intensive agricultural practices that threaten \u00a0human health and the environment. Although eliminating its use in agriculture is important, \u00a0the delay in removing the remaining uses of this well-researched and highly toxic chemical \u00a0reflects the failure \u00a0of the pesticide regulatory process. Ultimately, the widespread adoption of \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/organicfood\/index.php\">organic management<\/a> \u00a0is necessary to protect consumers and the environment in the long-term. Beyond Pesticides has long sought a broad-scale marketplace transition to organic practices that disallow the use of toxic synthetic pesticides by law and encourages a systems-based approach that is protective of health and the environment. This approach never allows the use of highly toxic synthetic pesticides, let alone organophosphates, such as chlorpyrifos, and advances \u00a0a \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/dailynewsblog\/2014\/12\/new-study-says-organic-agricultural-can-and-must-feed-the-world\/\">viable, scalable<\/a> \u00a0path forward for growing food.<\/p>\n<p><em>All unattributed positions and opinions in this piece are those of Beyond Pesticides.<\/em><\/p>\n<p>Sources: <a href=\"http:\/\/phys.org\/news\/2016-03-bees-dumb-ingesting-tiny-doses.html\">Phys.org<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Beyond Pesticides, March 4, 2016) Honey bees experience a learning and memory deficit after ingesting small doses of the insecticide \u00a0chlorpyrifos, potentially threatening their success and survival, according to a study in \u00a0New Zealand. Chlorpyrifos is a highly neurotoxic organophosphate pesticide used worldwide on crops to protect against insects and mites. The study, \u00a0Measurements of Chlorpyrifos Levels in Forager Bees and Comparison with Levels that Disrupt Honey Bee Odor-Mediated Learning Under Laboratory Conditions, \u00a0published in \u00a0Ecology, examines chlorpyrifos levels in \u00a0bees collected from 17 locations in Otago, New Zealand and compared doses of the pesticide that cause sub-lethal effects on learning performance under laboratory conditions with amounts of chlorpyrifos detected in bees in the field. Researchers found chlorpyrifos in 17% of the sites sampled and 12% of the colonies examined. Honey bees are found to experience harmful effects to smell memory and learning, and reduction in specificity of memory recall. Chlorpyrifos is just one of many pesticides that have frequently been detected in honey bees. According to a study conducted last year by the U.S. Geological Survey (USGS), 72% of bees tested positive for pesticide residues, raising concerns about \u00a0unintended pesticide exposures where land uses overlap or are in proximity [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[249,124,21,33,347,6,343,93],"tags":[],"class_list":["post-17613","post","type-post","status-publish","format-standard","hentry","category-agriculture","category-announcements","category-chemicals","category-chlorpyrifos","category-increased-vulnerability-to-diseases-from-chemical-exposure","category-international","category-pesticide-residues","category-pollinators"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chlorpyrifos Reduces Memory and Learning in Exposed Bees - Beyond Pesticides Daily News Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chlorpyrifos Reduces Memory and Learning in Exposed Bees - Beyond Pesticides Daily News Blog\" \/>\n<meta property=\"og:description\" content=\"(Beyond Pesticides, March 4, 2016) Honey bees experience a learning and memory deficit after ingesting small doses of the insecticide \u00a0chlorpyrifos, potentially threatening their success and survival, according to a study in \u00a0New Zealand. Chlorpyrifos is a highly neurotoxic organophosphate pesticide used worldwide on crops to protect against insects and mites. The study, \u00a0Measurements of Chlorpyrifos Levels in Forager Bees and Comparison with Levels that Disrupt Honey Bee Odor-Mediated Learning Under Laboratory Conditions, \u00a0published in \u00a0Ecology, examines chlorpyrifos levels in \u00a0bees collected from 17 locations in Otago, New Zealand and compared doses of the pesticide that cause sub-lethal effects on learning performance under laboratory conditions with amounts of chlorpyrifos detected in bees in the field. Researchers found chlorpyrifos in 17% of the sites sampled and 12% of the colonies examined. Honey bees are found to experience harmful effects to smell memory and learning, and reduction in specificity of memory recall. Chlorpyrifos is just one of many pesticides that have frequently been detected in honey bees. According to a study conducted last year by the U.S. Geological Survey (USGS), 72% of bees tested positive for pesticide residues, raising concerns about \u00a0unintended pesticide exposures where land uses overlap or are in proximity [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/\" \/>\n<meta property=\"og:site_name\" content=\"Beyond Pesticides Daily News Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/beyondpesticides\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/beyondpesticides\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-03-04T04:00:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-03-04T14:24:29+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/03\/Bees.jpg\" \/>\n<meta name=\"author\" content=\"Beyond Pesticides\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ByondPesticides\" \/>\n<meta name=\"twitter:site\" content=\"@ByondPesticides\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Beyond Pesticides\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/\"},\"author\":{\"name\":\"Beyond Pesticides\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/#\/schema\/person\/1b5c0a0981b549cc5b628770073031f4\"},\"headline\":\"Chlorpyrifos Reduces Memory and Learning in Exposed Bees\",\"datePublished\":\"2016-03-04T04:00:08+00:00\",\"dateModified\":\"2016-03-04T14:24:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/\"},\"wordCount\":515,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/#organization\"},\"image\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/03\/Bees.jpg\",\"articleSection\":[\"Agriculture\",\"Announcements\",\"Chemicals\",\"Chlorpyrifos\",\"Increased Vulnerability to Diseases from Chemical Exposure\",\"International\",\"Pesticide Residues\",\"Pollinators\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/\",\"url\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/\",\"name\":\"Chlorpyrifos Reduces Memory and Learning in Exposed Bees - 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By forging ties with governments, nonprofits, and people who rely on these natural resources, we reduce the need for unnecessary pesticide use and protect public health and the environment. Beyond Pesticides provides hands-on services to the public and supports local action by: identifying and interpreting hazards; and, designing safe pest management programs. With the information provided by Beyond Pesticides, people may not only be able to make informed choices and adopt practices that protect themselves and their families from unnecessary exposure to pesticides, but they will be able to effect changes on community-wide pest management decisions and policies that govern pesticide use, such as pesticide uses in parks, schools, for community insect control and along roadsides. 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Chlorpyrifos is a highly neurotoxic organophosphate pesticide used worldwide on crops to protect against insects and mites. The study, \u00a0Measurements of Chlorpyrifos Levels in Forager Bees and Comparison with Levels that Disrupt Honey Bee Odor-Mediated Learning Under Laboratory Conditions, \u00a0published in \u00a0Ecology, examines chlorpyrifos levels in \u00a0bees collected from 17 locations in Otago, New Zealand and compared doses of the pesticide that cause sub-lethal effects on learning performance under laboratory conditions with amounts of chlorpyrifos detected in bees in the field. Researchers found chlorpyrifos in 17% of the sites sampled and 12% of the colonies examined. Honey bees are found to experience harmful effects to smell memory and learning, and reduction in specificity of memory recall. Chlorpyrifos is just one of many pesticides that have frequently been detected in honey bees. According to a study conducted last year by the U.S. Geological Survey (USGS), 72% of bees tested positive for pesticide residues, raising concerns about \u00a0unintended pesticide exposures where land uses overlap or are in proximity [&hellip;]","og_url":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/","og_site_name":"Beyond Pesticides Daily News Blog","article_publisher":"https:\/\/www.facebook.com\/beyondpesticides","article_author":"https:\/\/www.facebook.com\/beyondpesticides\/","article_published_time":"2016-03-04T04:00:08+00:00","article_modified_time":"2016-03-04T14:24:29+00:00","og_image":[{"url":"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/03\/Bees.jpg","type":"","width":"","height":""}],"author":"Beyond Pesticides","twitter_card":"summary_large_image","twitter_creator":"@ByondPesticides","twitter_site":"@ByondPesticides","twitter_misc":{"Written by":"Beyond Pesticides","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/#article","isPartOf":{"@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/"},"author":{"name":"Beyond Pesticides","@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/#\/schema\/person\/1b5c0a0981b549cc5b628770073031f4"},"headline":"Chlorpyrifos Reduces Memory and Learning in Exposed Bees","datePublished":"2016-03-04T04:00:08+00:00","dateModified":"2016-03-04T14:24:29+00:00","mainEntityOfPage":{"@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/"},"wordCount":515,"commentCount":1,"publisher":{"@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/#organization"},"image":{"@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/#primaryimage"},"thumbnailUrl":"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/03\/Bees.jpg","articleSection":["Agriculture","Announcements","Chemicals","Chlorpyrifos","Increased Vulnerability to Diseases from Chemical Exposure","International","Pesticide Residues","Pollinators"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/","url":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/03\/chlorpyrifos-reduces-memory-and-learning-in-exposed-bees\/","name":"Chlorpyrifos Reduces Memory and Learning in Exposed Bees - 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