{"id":19285,"date":"2016-10-24T00:00:05","date_gmt":"2016-10-24T04:00:05","guid":{"rendered":"http:\/\/beyondpesticides.org\/dailynewsblog\/?p=19285"},"modified":"2016-10-24T09:19:08","modified_gmt":"2016-10-24T13:19:08","slug":"neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size","status":"publish","type":"post","link":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/","title":{"rendered":"Neonicotinoid Insecticide Exposure Reduces Bumblebee Colony Size"},"content":{"rendered":"<p>(<em>Beyond Pesticides<\/em>, October 24, 2016) Systemic neonicotinoid (neonic) exposure is associated with reductions in colony size and changes in foraging behavior, according to a recent field study done by a team of scientists at <a href=\"http:\/\/www3.imperial.ac.uk\/newsandeventspggrp\/imperialcollege\/newssummary\/news_11-10-2016-16-35-47\">Imperial College London<\/a>. The senior author of the study, Richard Gill, Ph.D., stated that when neonicotinoid \u201cexposure is relatively persistent and combined with other stressors associated with land use change, they could have detrimental effects at the colony level.\u201d<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-14565\" src=\"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/12\/Gary-Tate-Riverside-CA-Honey-Bee-taking-flight-Riverside-Ca2-254x300.jpg\" alt=\"Gary Tate Riverside CA Honey Bee taking flight Riverside Ca2\" width=\"254\" height=\"300\" align=\"right\" srcset=\"https:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/12\/Gary-Tate-Riverside-CA-Honey-Bee-taking-flight-Riverside-Ca2-254x300.jpg 254w, https:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/12\/Gary-Tate-Riverside-CA-Honey-Bee-taking-flight-Riverside-Ca2-869x1024.jpg 869w, https:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/12\/Gary-Tate-Riverside-CA-Honey-Bee-taking-flight-Riverside-Ca2.jpg 989w\" sizes=\"auto, (max-width: 254px) 100vw, 254px\" \/>The study, <em><a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/1365-2664.12792\/full\">Impact of controlled neonicotinoid exposure on bumblebees in a realistic field setting<\/a><\/em>, assesses the effect of exposure to the neonic, <a href=\"http:\/\/beyondpesticides.org\/resources\/pesticide-gateway?pesticideid=121\">clothianidin<\/a>, on bumblebee foraging patterns and colony size. Clothianidin was given to 20 buff-tailed bumblebee colonies for five-weeks in a sugar solution at a concentration of 5 parts per billion, an environmentally relevant level of the pesticide. A bumblebee colony census was done before and after the field experiment, where the number of eggs, larvae, pupae, and workers bees were recorded along with the wax and pollen stores in the colony. The researchers found that the clothianidin treated colonies had fewer workers, drones and reproductive female bees compared to the colonies with no exposure. These data add to the growing body of research on <a href=\"http:\/\/beyondpesticides.org\/dailynewsblog\/2016\/08\/half-total-decline-wild-bees-throughout-uk-linked-use-neonics\/\">sub-lethal effects<\/a>, which must be considered when looking at the effects of pesticides on non-target organisms.<\/p>\n<p>This study adds to the body of science that has \u00a0examined the effects of neonic exposure to \u00a0bee colonies under field conditions. However, neonic \u00a0pesticides \u00a0have long been identified as a major culprit in bee decline by independent scientists and beekeepers, yet chemical manufacturers like Bayer and Syngenta have focused on \u00a0other issues such as the varroa mite. As Beyond Pesticides wrote in the \u00a02014 issue of \u00a0<em>Pesticides and You<\/em>, the issue of pollinator decline is \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/assets\/media\/documents\/pollinators\/nolongeraBIGmystery.pdf\">No Longer a Big Mystery<\/a>, and urgent action is needed now to protect pollinators from these toxic pesticides.<\/p>\n<p>Neonics are associated with \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/dailynewsblog\/2015\/02\/neonics-harm-bees-brain-cells-according-to-researchers\/\">decreased learning<\/a>, \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/dailynewsblog\/2014\/02\/near-infinitesimal-exposure-to-neonicotinoids-reduces-bees-ability-to-gather-food\/\">foraging<\/a> \u00a0and navigational ability, as well as increased vulnerability to pathogens and parasites as a result of suppressed bee immune systems. In addition to toxicity to bees, pesticides like neonicotinoids have been shown to also adversely affect \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/dailynewsblog\/2014\/07\/bird-population-declines-linked-to-neonicotinoid-pesticides-adding-to-previous-science\/\">birds<\/a>, \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/dailynewsblog\/2013\/06\/new-study-exposes-widespread-harm-from-neonicotinoid-pesticides\/\">aquatic organisms and contaminate soil \u00a0<\/a>and <a href=\"https:\/\/www.beyondpesticides.org\/dailynewsblog\/2014\/07\/midwest-waterways-contaminated-with-persistent-neonicotinoid-pesticides\/http:\/www.beyondpesticides.org\/dailynewsblog\/2014\/07\/midwest-waterways-contaminated-with-persistent-neonicotinoid-pesticides\/\">waterways<\/a>, and \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/dailynewsblog\/2015\/04\/neonicotinoids-adversely-affect-biodiversity-according-to-new-report\/\">overall biodiversity<\/a>.<\/p>\n<p>These findings follow on the recent decision by the U.S. Fish and Wildlife Service (FWS) to add a group of bees to the Endangered Species List. FWS <a href=\"https:\/\/www.federalregister.gov\/documents\/2016\/09\/30\/2016-23112\/endangered-and-threatened-wildlife-and-plants-endangered-status-for-49-species-from-the-hawaiian\">published a final rule<\/a> in early October that declares seven species of yellow-faced bees that are native to Hawaii as endangered. This announcement follows the FWS\u2019s proposed listing of the rusty patched bumble bee as an endangered species under the Endangered Species Act (ESA). FWS says that it needs additional time to identify specific areas to be designated as critical habitat for the endangered bees. Further, though FWS has identified many threats to bees, including habitat loss and degradation due to urbanization, and other human activities, the final rule does not specifically point to pesticides. However, there is an <a href=\"https:\/\/www.beyondpesticides.org\/programs\/bee-protective-pollinators-and-pesticides\/what-the-science-shows\">overwhelming number \u00a0of research studies<\/a> \u00a0demonstrating that neonicotinoid insecticides, working either individually or synergistically, play a critical role in the ongoing decline of bees and other pollinators.<\/p>\n<p>Over the past decade, \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/assets\/media\/documents\/pollinators\/Neonicotinoid%20insecticides%20report-1.pdf\">numerous studies<\/a> \u00a0have illuminated the negative effect that \u00a0neonics have on different pollinator species, but until now little research has been performed on the chemicals&#8217; long-term impacts. The results of this recent study provide \u00a0additional \u00a0evidence that links the sublethal impacts of neonic exposure and large-scale population extinctions of wild bee species.<\/p>\n<p>Despite limited \u00a0action in the United States by federal agencies and Congress to discontinue the use of neonicotinoid insecticides and toxic pesticides in general, consumers and advocates around the country can create safe pollinator habitat and encourage local governments to do the same. Ultimately, the widespread adoption of\u201d\u00af<a href=\"https:\/\/www.beyondpesticides.org\/organicfood\/index.php\">organic management<\/a>\u201d\u00afis necessary to protect pollinators and the environment in the long-term. Farms or other land areas that are managed with chemical-intensive practices turn habitat into pollinator killing fields.<\/p>\n<p>Beyond Pesticides has long sought a broad-scale marketplace transition to organic practices that prohibits the use of toxic synthetic pesticides by law and encourages a systems-based approach that is protective of health and the environment.\u201d\u00afFor information on growing plants to protect pollinators, see our \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/programs\/bee-protective-pollinators-and-pesticides\/what-can-you-do\/pollinator-friendly-seed-directory\">Pollinator-Friendly Seeds and Nursery Directory<\/a>. Use the \u00a0<a href=\"http:\/\/beyondpesticides.org\/assets\/media\/documents\/pollinators\/documents\/BEEProtectiveHabitatGuide.pdf\">Bee Protective Habitat Guide<\/a> \u00a0to plant a pollinator garden suited for your region, and consider \u00a0<a href=\"https:\/\/www.beyondpesticides.org\/assets\/media\/documents\/infoservices\/pesticidesandyou\/CloverCited.pdf\">seeding white clover into your lawn<\/a>. You can also declare your garden, yard, park or other space as pesticide-free and pollinator friendly. <a href=\"http:\/\/action.beyondpesticides.org\/o\/7106\/p\/salsa\/web\/common\/public\/signup?signup_page_KEY=7574\">Sign the pledge today<\/a>! \u00a0 More information on the adverse effects neonics can be found in the Beyond Pesticides\u2019 report\u201d\u00af<a href=\"https:\/\/www.beyondpesticides.org\/assets\/media\/documents\/SystemicsCited.pdf\">Cultivating Plants that Poison<\/a>.<\/p>\n<p>Source: <a href=\"https:\/\/www.sciencedaily.com\/releases\/2016\/10\/161011230003.htm\">Science Daily<\/a>, <a href=\"http:\/\/www3.imperial.ac.uk\/newsandeventspggrp\/imperialcollege\/newssummary\/news_11-10-2016-16-35-47\">Imperial College London<\/a><\/p>\n<p><em>All unattributed positions and opinions in this piece are those of Beyond Pesticides.<\/em><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Beyond Pesticides, October 24, 2016) Systemic neonicotinoid (neonic) exposure is associated with reductions in colony size and changes in foraging behavior, according to a recent field study done by a team of scientists at Imperial College London. The senior author of the study, Richard Gill, Ph.D., stated that when neonicotinoid \u201cexposure is relatively persistent and combined with other stressors associated with land use change, they could have detrimental effects at the colony level.\u201d The study, Impact of controlled neonicotinoid exposure on bumblebees in a realistic field setting, assesses the effect of exposure to the neonic, clothianidin, on bumblebee foraging patterns and colony size. Clothianidin was given to 20 buff-tailed bumblebee colonies for five-weeks in a sugar solution at a concentration of 5 parts per billion, an environmentally relevant level of the pesticide. A bumblebee colony census was done before and after the field experiment, where the number of eggs, larvae, pupae, and workers bees were recorded along with the wax and pollen stores in the colony. The researchers found that the clothianidin treated colonies had fewer workers, drones and reproductive female bees compared to the colonies with no exposure. These data add to the growing body of research on sub-lethal [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[249,2,124,21,347,328,345,93,13],"tags":[],"class_list":["post-19285","post","type-post","status-publish","format-standard","hentry","category-agriculture","category-alternativesorganics","category-announcements","category-chemicals","category-increased-vulnerability-to-diseases-from-chemical-exposure","category-neonicotinoids","category-persistence","category-pollinators","category-wildlifeenvironment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Neonicotinoid Insecticide Exposure Reduces Bumblebee Colony Size - 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\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Neonicotinoid Insecticide Exposure Reduces Bumblebee Colony Size - Beyond Pesticides Daily News Blog\" \/>\n<meta property=\"og:description\" content=\"(Beyond Pesticides, October 24, 2016) Systemic neonicotinoid (neonic) exposure is associated with reductions in colony size and changes in foraging behavior, according to a recent field study done by a team of scientists at Imperial College London. The senior author of the study, Richard Gill, Ph.D., stated that when neonicotinoid \u201cexposure is relatively persistent and combined with other stressors associated with land use change, they could have detrimental effects at the colony level.\u201d The study, Impact of controlled neonicotinoid exposure on bumblebees in a realistic field setting, assesses the effect of exposure to the neonic, clothianidin, on bumblebee foraging patterns and colony size. Clothianidin was given to 20 buff-tailed bumblebee colonies for five-weeks in a sugar solution at a concentration of 5 parts per billion, an environmentally relevant level of the pesticide. A bumblebee colony census was done before and after the field experiment, where the number of eggs, larvae, pupae, and workers bees were recorded along with the wax and pollen stores in the colony. The researchers found that the clothianidin treated colonies had fewer workers, drones and reproductive female bees compared to the colonies with no exposure. These data add to the growing body of research on sub-lethal [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/\" \/>\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=\"2016-10-24T04:00:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-10-24T13:19:08+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/12\/Gary-Tate-Riverside-CA-Honey-Bee-taking-flight-Riverside-Ca2-254x300.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=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/\"},\"author\":{\"name\":\"Beyond Pesticides\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/#\/schema\/person\/1b5c0a0981b549cc5b628770073031f4\"},\"headline\":\"Neonicotinoid Insecticide Exposure Reduces Bumblebee Colony Size\",\"datePublished\":\"2016-10-24T04:00:05+00:00\",\"dateModified\":\"2016-10-24T13:19:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/\"},\"wordCount\":787,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/#organization\"},\"image\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/12\/Gary-Tate-Riverside-CA-Honey-Bee-taking-flight-Riverside-Ca2-254x300.jpg\",\"articleSection\":[\"Agriculture\",\"Alternatives\/Organics\",\"Announcements\",\"Chemicals\",\"Increased Vulnerability to Diseases from Chemical Exposure\",\"neonicotinoids\",\"Persistence\",\"Pollinators\",\"Wildlife\/Endangered Sp.\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/\",\"url\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/\",\"name\":\"Neonicotinoid Insecticide Exposure Reduces Bumblebee Colony Size - 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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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The senior author of the study, Richard Gill, Ph.D., stated that when neonicotinoid \u201cexposure is relatively persistent and combined with other stressors associated with land use change, they could have detrimental effects at the colony level.\u201d The study, Impact of controlled neonicotinoid exposure on bumblebees in a realistic field setting, assesses the effect of exposure to the neonic, clothianidin, on bumblebee foraging patterns and colony size. Clothianidin was given to 20 buff-tailed bumblebee colonies for five-weeks in a sugar solution at a concentration of 5 parts per billion, an environmentally relevant level of the pesticide. A bumblebee colony census was done before and after the field experiment, where the number of eggs, larvae, pupae, and workers bees were recorded along with the wax and pollen stores in the colony. The researchers found that the clothianidin treated colonies had fewer workers, drones and reproductive female bees compared to the colonies with no exposure. These data add to the growing body of research on sub-lethal [&hellip;]","og_url":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/","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":"2016-10-24T04:00:05+00:00","article_modified_time":"2016-10-24T13:19:08+00:00","og_image":[{"url":"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/12\/Gary-Tate-Riverside-CA-Honey-Bee-taking-flight-Riverside-Ca2-254x300.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":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/#article","isPartOf":{"@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/"},"author":{"name":"Beyond Pesticides","@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/#\/schema\/person\/1b5c0a0981b549cc5b628770073031f4"},"headline":"Neonicotinoid Insecticide Exposure Reduces Bumblebee Colony Size","datePublished":"2016-10-24T04:00:05+00:00","dateModified":"2016-10-24T13:19:08+00:00","mainEntityOfPage":{"@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/"},"wordCount":787,"commentCount":0,"publisher":{"@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/#organization"},"image":{"@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/#primaryimage"},"thumbnailUrl":"http:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2014\/12\/Gary-Tate-Riverside-CA-Honey-Bee-taking-flight-Riverside-Ca2-254x300.jpg","articleSection":["Agriculture","Alternatives\/Organics","Announcements","Chemicals","Increased Vulnerability to Diseases from Chemical Exposure","neonicotinoids","Persistence","Pollinators","Wildlife\/Endangered Sp."],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/","url":"https:\/\/beyondpesticides.org\/dailynewsblog\/2016\/10\/neonicotinoid-insecticide-exposure-reduces-bumblebee-colony-size\/","name":"Neonicotinoid Insecticide Exposure Reduces Bumblebee Colony Size - 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