(Beyond Pesticides, October 20, 2015) Exposure to neonicotinoid (neonic) pesticides results in profound negative impacts to the health of honey bee queens, according to an international team of researchers led by Geoff Williams, MD, PhD, at the University of Bern in Switzerland. While most studies to date have investigated how neonics effect the health of individual workers or overall colony fitness, Dr. William’s study, Neonicotinoid pesticides severely affect honey bee queens, is one of the first to focus on the health of honey bee queens. Neither the European Union nor U.S. Environmental Protection Agency (EPA) study the impacts of pesticides on queen health before allowing a pesticide to market. The results of this research are particularly concerning, given widespread anecdotal evidence from beekeepers across the globe that ”˜poor quality queens’ are playing a role in bee declines. To test the impacts of these chemicals on queen honey bees, scientists exposed a sample of 29 queens to field-realistic levels of the neonics  clothianidian and thiamethoxam (1 parts per billion and 4 ppb respectively), and compared them to a population of 28 control queens, which were not treated with neonics. Both groups experienced similar environmental circumstances in terms of food availability, rearing […]

(Beyond Pesticides, October 19, 2015) Monsanto, the major producer of Roundup (glyphosate), has found itself in hot water recently, as personal injury lawsuits pile up over the link between glyphosate exposure and non-Hodgkin’s Lymphoma (NHL). Personal injury law firms around the U.S. have found a multitude of plaintiffs and are preparing for what could be a “mass tort” action against Monsanto for knowingly misinforming the public and farmworkers about the dangers of the chemical. The latest lawsuit was filed October 14 in Delaware Superior Court by three law firms representing three plaintiffs. One plaintiff in the Delaware lawsuit, Joselin Barrera, 24, a child of migrant farmworkers, relates  her non-Hodgkin lymphoma (NHL) to glyphosate exposure. Elias de la Garza, a former migrant farm worker and landscaper diagnosed with NHL, has a similar claim. These follow other lawsuits filed last month in New York and California that  accuse Monsanto of knowing that glyphosate was hazardous to human health. Monsanto “led a prolonged campaign of misinformation to convince government agencies, farmers and the general population that Roundup was safe,” the lawsuit states. Glyphosate is touted as a “low toxicity” chemical and “safer” than other chemicals by the Environmental Protection Agency (EPA) and industry […]

(Beyond Pesticides, October 15, 2015) A new study, published in Environmental Science & Technology, has found that wildflowers bordering fields that are treated with neonicotinoids contain a higher concentration of the bee-toxic pesticides than the actual treated fields, pointing out an often overlooked avenue of exposure for bees. Widely-used neonicotinoids, which as systemic chemicals move through a plant’s vascular system and express poison through pollen, nectar, and guttation droplets, have been identified in multiple  peer-reviewed studies  and by beekeepers  as the major contributing factor in bee decline. The study, titled Neonicotinoid Residues in Wildflowers, A Potential Route of Chronic Exposure for Bees, discovered neonicotinoid insecticides in wildflowers, including Hogweed and Poppy pollen (up to 86ppb and 64ppb, respectively). The study’s authors  found higher concentrations of neonicotinoids in wild flowers in field margins than in Oilseed rape flowers in the adjacent neonicotinoid treated crop — on average 15ppb vs. 3ppb.   They also found that more than 97% of the neonicotinoids being brought into the hive by honey bees are from wildflowers, while only 3% are  from the crop. Researchers have found  that chronic exposure to neonicotinoids increases neuronal vulnerability to mitochondrial dysfunction in the bumblebee. In other words, these pesticides […]

(Beyond Pesticides, October 1, 2015) Now is your chance to show off both your green thumbs and your photography skills: if you use a sign to designate your yard, park, garden or other space as pesticide-free, we want to see it! We would love to see how you are using your signs, whether it is our honey bee, ladybug, or your own creative one. If you don’t already have a sign, we encourage you to put one up and use its presence to spark a conversation in your community about the use of pesticides. One yard at a time, we can transition towards a safer future without the hazards associated with unnecessary pesticide use. Your Work in the Spotlight! Send your best photo of your Pesticide-Free Zone to [email protected]! We will choose four grand prize photographs (Best overall, best sign featuring a child, best sign featuring wildlife, and best sign on an environmentally sensitive area), and 8 runners up to be featured in our 2016 Calendar! Staff picks and other select photos will also be highlighted on Beyond Pesticides’ Facebook and Twitter pages throughout the month of October. Each photo must include a Pesticide-Free Zone sign (it can be either […]

(Beyond Pesticides, September 25, 2015) Neonicotinoid-treated seeds do not reduce crop damage from pests, adding to a growing body of evidence questioning the benefits of using these bee-toxic insecticides, according to a study  published in the journal BioOne. Widely-used neonicotinoids (neonics), which as systemic chemicals move through a plant’s vascular system and express poison through pollen, nectar, and guttation droplets, have been identified in multiple  peer-reviewed studies and by beekeepers  as the major contributing factor in bee decline. The study,  titled Impact of Western Bean Cutworm (Lepidoptera: Noctuidae) Infestation and Insecticide Treatments on Damage and Marketable Yield of Michigan Dry Beans, examines the relationship between western bean cutworm infestation and damage in dry beans, and the use of seeds treated with the neonicotinoid thiamethoxam, as well as soil treated with aldicarb, another systemic insecticide. Researchers have concluded that neither thiamethoxam nor aldicarb reduced cutworm damage. In fact, plots treated with these insecticides had a higher percentage of defects due to feeding by pests when compared to untreated plots, which researchers believed is  attributable to factors such as fewer natural enemies. There have been additional reports and studies published over the past few years questioning the benefits of neonic use. In […]

(Beyond Pesticides, September 24, 2015) Seven years after an explosion that killed two factory workers in Institute, West Virginia, Bayer CropScience is facing federal fines. Bayer is the manufacturer of neonicotinoid pesticides that are linked to severe decline in pollinator populations. On Monday, the U.S. Department of Justice (DOJ) and U.S. Environmental Protection Agency (EPA) announced a $5.6 million settlement with Bayer to resolve the 2008 violation of federal chemical  accident prevention laws. As a result, Bayer must commit to spending $4.23 million to improve emergency preparedness and institute response  measures to protect the Kanawha River, pay a $975,000 penalty, and spend approximately $452,000 to implement a series of reforms to improve safety at chemical storage facilities across the United States. On August 28, 2008, a pesticide waste tank exploded inside the Bayer plant, instantly killing one worker and sending another to the hospital where he would eventually die. Although Bayer officials assure the public that the explosion was secure and released no chemicals, residents living near the plant complained of air pollution exposure and related illnesses. The tank contained waste products from thiodicarb, including methyl isobutyl ketone (MIBK), hexane, methomyl, and dimethyl disulfide, all of which are acutely toxic […]

(Beyond Pesticides, September 18, 2015) Glyphosate’s harmful effects continue to accumulate, this time with evidence pointing to toxic and sublethal effects on bees. According to a new study conducted by German and Argentinian researchers, honey bees exposed to low levels of glyphosate have a hard time returning home. Glyphosate, the  controversial and toxic active ingredient in Monsanto’s Roundup, is an herbicide widely used on genetically-engineered (GE) crops as well as on parks and golf courses, for control of weeds and grasses. Along with neonicotinoids, which have been linked to worldwide bee decline by a growing body of science, glyphosate is just another chemical in the toxic mixture that bees and other non-target organisms are constantly exposed to in the environment. In the study, titled “Effects of sublethal doses of glyphosate on honeybee navigation” and published in the Journal of Experimental Biology, researchers evaluate the effects of recommended concentrations of glyphosate used in agricultural settings on honey bee navigation and found that a single exposure to a concentration of glyphosate within this range delays the return of the foraging honey bee to the hive. Flight trajectories were also affected after successive exposure to the herbicide, suggesting that the spatial learning process […]

(Beyond Pesticides, September 17, 2015) On Tuesday, the City Council of Lafayette, Colorado unanimously approved a resolution to prohibit bee-toxic neonicotinoid insecticides on city property. The resolution restricts the use of neonicotinoids on any land owned or operated by the city, including public rights-of-way, parks, playing fields, watersheds and ditches, open space lands, and public landscapes. Modeled on  a resolution passed in May by neighboring Boulder city, the new resolution has been propelled through the City Commission with  support from grassroots organizations, including Bee Safe Boulder and Pesticide Free Boulder County Coalition. The resolution affirms that the City of Lafayette: Not purchase or use any neonicotinoid pesticides on city owned or operated land; Restrict city and agricultural contractors from using neonicotinoids like imidacloprid, clothianidin, thiamethoxam, dinotefuran, etc.; Provide exceptions only when emergency situations where the life or health of a valuable, important land asset is at risk, such as a valuable tree or golf course, and when the neonicotinoid application is the most effective option; Urge all residents and business in Lafayette to suspend neonicotinoids for use in seed treatment, soil application, foliar treatment, and other bee-attractive settings; Purchase landscape materials that have not been treated with neonicotinoids and urge […]

(Beyond Pesticides, September 16, 2015) In a letter posted to the federal docket, the U.S. Department of Agriculture (USDA) states that it is opposed to U.S. Environmental Protection Agency’s (EPA) recent proposal to restrict pesticides highly toxic to bees on sites where managed bees are present, saying the measure “has not established the need for such a prohibition.” In its position, USDA  cites economic impacts to farmers and lack of a cost/benefit analysis. USDA’s critique of EPA’s proposal contrasts with a decision handed down last week by a federal court that ruled EPA should not ignore risk concerns for bees and rejected the registration of a pesticide known to be highly toxic to bees, highlighting a lack of collaboration and understanding between federal agencies in advancing  pollinator protection. USDA communicated its challenge to EPA despite the growing body of science on the hazards of neonicotinoid insecticides and findings in Europe that their restriction does not undermine crop productivity. Last May,  EPA announced a new proposal  to temporarily prohibit foliar applications of pesticides that are acutely toxic to bees during plant bloom and when managed bees are on site and under contract. The proposal received a mixed response, with many from […]

(Beyond Pesticides, September 11, 2015) On Thursday, the Ninth Circuit Court of Appeals unequivocally rejected the U.S. Environmental Protection Agency’s (EPA) unconditional registration of the systemic and bee-toxic pesticide sulfoxaflor. The Court concluded that EPA violated federal law and its own regulations when it approved sulfoxaflor without reliable studies regarding the impact that the insecticide would have on honey bee colonies. The Court vacated EPA’s unconditional registration of the chemical, meaning that sulfoxaflor may no longer be used in the U.S. However, while the decision is good news for now, it still leaves the door open for sulfoxaflor’s future use once EPA obtains the necessary information regarding impacts to honey bees and re-approves the insecticide in accordance with law. The case is Pollinator Stewardship Council, American Honey Producers Association, National Honey Bee Advisory Board, American Beekeeping Federation, Thomas Smith, Bret Adee, Jeff Anderson v. U.S. EPA (9th Circuit U.S. Court of Appeals,  No. 13-7234). Dow AgroSciences (a Dow Chemical company)  joined  the case as an intervenor to support EPA. EPA initially proposed to conditionally register sulfoxaflor and requested additional studies to address gaps in the data regarding the pesticide’s effects on bees. A few months later, however, EPA unconditionally registered […]

(Beyond Pesticides, September 10, 2015) Last week, California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) announced that it intended to list glyphosate (Roundup) and three other chemicals as cancer-causing chemicals under California’s  Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65). Glyphosate  is a phosphanoglycine herbicide that inhibits an enzyme essential to plant growth. Under California law, Proposition 65 requires that certain substances identified by the International View postAgency for Research on Cancer (IARC) be listed as known cancer-causing chemicals. In March, a study by the IARC classified glyphosate as a Group 2A material, which means that the chemical is carcinogenic based on sufficient evidence of carcinogenicity in experimental animals. The agency considered the findings from an EPA Scientific Advisory Panel report, along with several recent studies in making its conclusion. However, industry supporters of glyphosate all over the globe are conducting their own studies to attempt to prove that it is not a carcinogen. These studies, like one by German Federal Institute for Risk Assessments (BfR), are based almost solely on industry science and classified industry reports, each of which might not consider critical variables. With more glyphosate-focused studies being released, the growing evidence […]

(Beyond Pesticides, September 4, 2015) Research into neonicotinoid insecticides, a class of bee-toxic chemicals, and their effects on bees, needs to be more comprehensive in order to better reflect their global use, concludes a recent review of the current literature. The authors of the review state that despite considerable research efforts, there are still significant knowledge gaps concerning the impacts of neonicotinoids on bees. Since 2006, honey bees and other pollinators in the U.S. and throughout the world have experienced ongoing and rapid population declines. The science has become increasingly clear that pesticides (especially the  neonicotinoid class of insecticides), either acting individually or synergistically, play a critical role in the ongoing decline of honey bees and wild pollinators. Neonicotinoids can be persistent in the environment, and have the ability to translocate into the pollen and nectar of treated plants. The systematic review, titled Neonicotinoid Insecticides and Their Impacts on Bees: A Systematic Review of Research Approaches and Identification of Knowledge Gaps  and published in the journal PLoS ONE, took a look at over 200 primary research studies in order to identify knowledge gaps. While there is a growing body of science examining the impacts of neonicotinoid use, knowledge gaps need […]

(Beyond Pesticides, August 28, 2015) The European Union’s food safety agency confirmed Wednesday that foliar spraying of neonicotinoids (neonics), the widely-used bee-toxic insecticides, poses a risk to bees, bolstering previous research that led to a two-year moratorium on the chemicals in the EU. The European Food Safety Authority (EFSA), which guides EU policymakers, said leaf spray containing three neonicotinoid pesticides — clothianidin, imidacloprid, and thiamethoxam — could harm bees. Previous research found that these chemicals pose a risk as seed treatments or granules, which prompted the European Commission to limit their use in  December 1, 2013. The use of the three neonicotinoid substances in seed or soil treatments is prohibited in the European Union for crops attractive to bees and for cereals other than winter cereals except in greenhouses. “They (the EFSA conclusions) confirm that the Commission was correct to take precautionary measures in 2013,” a Brussels-based EU executive said in a statement. Neonicotinoids have been found by  a growing body of scientific literature  to be linked to honey bee and pollinator decline. Recently, a  study  performed by the Food and Environment Research Agency (FERA) in the United Kingdom provides evidence confirming the link between neonicotinoid pesticides and continually increasing […]

(Beyond Pesticides, August 27, 2015) Last week, Philip J. Landrigan, M.D., and Charles Benbrook, Ph.D., released a perspective article, GMOs, Herbicides, and Public Health, in the New England Journal of Medicine  that outlines  the hazards associated with food residues of  elevated pesticide use in the production  of genetically engineered (GE) crops. While mainstream media continuously misses the central issue  in the GE debate by asserting that these crops are merely an extension of selective breeding and effect a reduction in pesticide use, the authors  focus on  the significance of the actual increase in herbicide use and weed resistance in herbicide-tolerant crops. Drs. Landrigan and Benbrook offer two main recommendations in their article: the U.S. Environmental Protection Agency (EPA) should delay implementation of its decision to permit the use of Enlist Duo (the 2,4-D herbicide used with  Monsanto-engineered GE herbicide-tolerant  crop), and  the U.S. Food and Drug Administration (FDA) should  require labeling of GE foods and couple it with adequately funded, long-term postmarketing surveillance. Dr. Landrigan, Dean for Global Health at Mount Sinai School of Medicine, is an epidemiologist and pediatrician and one of the world’s leading advocates of children’s and environmental health. Dr. Benbrook is a research professor at the […]

(Beyond Pesticides, August 26, 2015) A  study performed by the Food and Environment Research Agency (FERA) in the United Kingdom (UK) provides evidence of confirming the link between neonicotinoid pesticides and continually increasing honey bee colony losses on a landscape level. The study, Evidence for pollinator cost and farming benefits of neonicotinoid seed coatings on oilseed rape, was published in the Nature journal Scientific Reports. This is a significant study, as the UK government has always maintained that neonicotinoid pesticides do not threaten bees, and that honey bee losses are instead caused by the parasitic varroa mite, siding with industry arguments that pesticides are safe when used properly. However, this new study indicates otherwise, confirming a direct link between neonicotinoids and honey bee colony losses at a nationwide level. This study distinguishes itself from  a previous study in the U.S. that extrapolated real world neonicotinoid exposure levels  to  test hives by analyzing actual fields in a  long-term assessment. To a large degree, the new study addresses industry critics of the earlier study design who have tried to discount previous findings of bee decline associated with neonicotinoid use (see Beyond Pesticides’ Sowing the Seeds of Doubt, which addresses these industry myths). […]

(Beyond Pesticides, August 25, 2015) Last Friday, the City Council of Minneapolis, MN unanimously passed a resolution declaring Minneapolis a pollinator-friendly community and urging city residents to take steps to protect dwindling pollinator populations. A groundswell of public support from a wide range of local and national groups, including Beyond Pesticides, resulted in swift passage of the resolution, the latest in a long string of local government action to safeguard pollinators from harmful pesticides, as federal proposals fail to address the magnitude of the crisis. “With the passage of today’s resolution, Minneapolis is now doing its part in the global effort to protect and grow the pollinator populations,” Mayor Betsy Hodges said to CBS Minnesota. The resolution, introduced and written by Councilmember Cam Gordon, assigns a number of bee safe actions to various city departments. While the Health Department’s Environmental Services Unit will maintain a list of pollinator-friendly plants, the Community Planning and Economic Development Department and Property Services Division of the City Coordinator’s office will create habitat for local pollinators. The Minneapolis Public Works Department will pursue both increased bee habitat and adopt clear guidelines against the use of pesticides, including but not limited to systemic neonicotinoid  (“neonic”) insecticides, […]

(Beyond Pesticides, August 21, 2015) Neonicotinoid insecticides contaminate over half of urban and agricultural streams across the United States and Puerto Rico, according to a study released earlier this week by the U.S. Geographical Survey (USGS). Neonicotinoids (neonics) are bee-toxic insecticides that have been linked to the global decline in bee populations by a large body of science. The study, titled “First national-scale reconnaissance of neonicotinoid insecticides in streams across the USA” and published in Environmental Chemistry,  was conducted from 2011 to 2014 and spans 24 states and Puerto Rico. Researchers found that at least one of the six neonicotinoids tested by USGS researchers was found in more than half of the sampled streams. Detections of the  six  neonicotinoids varied:    imidacloprid  was found in 37 percent of the samples in the national study, clothianidin in 24 percent, thiamethoxam in 21 percent, dinotefuran in 13 percent, acetamiprid in 3 percent, and thiacloprid was not detected. Both urban and agricultural uses contributed to neonic concentrations in streams, with imidacloprid occurrence significantly related to the amount of urban land-use and clothianidin and thiamethoxam significantly related to the amount of cultivated crop. “In the study, neonicotinoids occurred throughout the year in urban streams […]

(Beyond Pesticides, August 19, 2015) Local fogging for  mosquito control turned tragic for a Palo Alto, California beekeeper who lost hundreds of honey bees from his backyard hives. The beekeeper, who also produces organic honey, now fears his honey is contaminated. The fogging, which occurred last month, was in response to positive tests for West Nile virus in mosquito samples. Many mosquito control pesticides are toxic to honey bees and given the declining populations of pollinators, vector control officials are being asked to carefully consider the risks associated with pesticide spraying. According to the local NBC affiliate, beekeeper Rondolph Tsien believes he was not given sufficient time to protect his bees from the mosquito fogging and, despite trying to cover his hives with a tarp to protect his bees from drifting pesticides, many were lost. A mosquito sample tested positive for West Nile virus about one mile from Mr. Tsien’s home, putting his property in the catchment area for fogging. Mr. Tsien worries the surviving bees will produce contaminated honey that can no longer be labeled organic. A Santa Clara County Vector Control representative stated during an interview that the county uses  an “extremely low dose” of pesticides during fogging […]

(Beyond Pesticides, August 18, 2015) Research looking at corn production  across the Northern Great Plains finds that fields with lower insect biodiversity are at greater risk for pest problems, showing that insect diversity can reduce the need for pesticides, yet again highlighting the critical need for biodiversity in a resilient and sustainable food production system. The research article, Trading Biodiversity for Pest Problems, is published in the July 31 issue of Science Advances, and explores how current chemical-intensive  practices have resulted in altered pesticide use patterns, land use intensification, and landscape simplification, all of which threaten biodiversity in and near farms. The findings suggest that farming practices that promote insect biodiversity is  an effective way to control pests without the use of harmful pesticides. Scientists Jonathan Lundgren, PhD, an entomologist at the U.S. Department of Agriculture—Agricultural Research Service (USDA-ARS), and Scott Fausti, PhD, an economics professor at South Dakota State University looked at insect diversity in cornfields on 53 different eastern South Dakota farms. The researchers evaluate fields that do not use insecticides or crops that are genetically engineered (GE), which may  influence corn insect communities. They also specifically identify insect species during the time in the corn’s life cycle […]

(Beyond Pesticides, August 12 2015) Last week, the City of Plattsburgh, New York, unanimously approved a policy that encourages city departments and city residents to reduce and eventually eliminate their use of toxic pesticides, such as neonicotinoids and glyphosate. In the same resolution, city residents and department heads are also encouraged to refrain from genetically modified organism (GMO) cultivation, though they recognize there is very little of that taking place within Plattsburgh city limits. While this policy can only be used to discourage the use of pesticides and GMOs, not implement an outright ban, due to preemptive New York state law that occupies the field of pesticide regulation, city officials are hopeful that they will be able to use their influence to implore the state of New York and U.S. legislators to take statewide and nationwide measures on the production of GMO crops and to curb the use of toxic pesticides. The language of the resolution, sponsored by Councilman Mike Kelly, cites the health of honey bees and other insects as one of the main reasons for encouraging citizens to refrain from the use of pesticides in the practice of lawn care and beautification. It also specifically names neonicotinoids as […]

(Beyond Pesticides, August 5, 2015) The United Kingdom (UK) is poised to harvest higher than expected yields of winter oilseed rape (canola) in its first neonicotinoid-free growing season since the European moratorium on neonicotinoids went into place in 2013. This bumper harvest comes amid the recent approval of an emergency exemption for neonicotinoid use on the crop in certain areas of the UK, and disproves the industry argument  that  the crop would falter without the use of neonicotinoids. Activists argue that these findings show there is ”˜no emergency’ for neonicotinoid use and that the current moratorium should remain in effect. The first harvest results of winter oilseed rape (canola) planted without neonicotinoid seed treatments have come in – and farmers are experiencing a better than usual crop. Figures for the first oilseed rape harvest since the European-wide ban on neonicotinoid pesticides was introduced show that the yield so far is higher than the average for the previous decade, when the chemicals were used on the majority of oilseed rape grown in the UK. Farmers Weekly, a leading multimedia information service for farmers and agricultural businesses, has reported that yields are up by as much as eight percent. The European Union […]

(Beyond Pesticides, August 4, 2015) Nearly every food available for purchase at the U.S. Congressional Dining Hall contains detectable levels of neonicotinoids (neonics), chemical insecticides implicated in the global decline of wild and managed pollinators. The results of a new study, performed by the American Bird Conservancy (ABC) and the Harvard T.H. Chan School of Public Health, reveals how reliance on these toxic chemicals can both directly and indirectly affect  our food supply. Authors of the study hope the results will build Congressional support for the Saving America’s Pollinators Act of 2015, which would suspend the use of neonics while an independent review analyzes the chemical’s effects to birds, pollinators, and other wildlife. Researchers for the study conducted two rounds of food testing, the first in January, and the second in May 2015. Approximately half of samples were taken from the House Longworth Cafeteria and half from Senate Dirksen Cafeteria in Washington, D.C. In total, 66 food samples were tested for the presence of neonicotinoids. Of that, 60, or 91% of samples tested positive for one neonic, and 47, or 71% of samples had two or more neonics present. “We were surprised to find that most foods contained multiple neonicotinoids, […]

(Beyond Pesticides, July 31, 2015) New information has surfaced regarding the role of agrochemical giants Bayer and Syngenta in the United Kingdom (UK)’s recent decision to temporarily allow the use of neonicotinoid seed treatment on oilseed rape crop. A record of the meeting, involving the UK government’s expert committee on pesticides (ECP) and industry representatives, had previously been suppressed. The newly released record of the meeting shows that Bayer and Syngenta were the only external representatives asked to answer the ECP’s questions. The emergency use, which has been granted for 120 days, allows growers to use Bayer’s Modesto (clothianidin) and Syngenta’s Cruiser OSR (thiamethoxam). The active ingredients of these products belong to a class of toxic chemicals known as neonicotinoids  (neonics), which have been  linked  to pollinator decline. These pesticides are associated with  decreased learning,  foraging  and navigational ability in bees, as well as increased vulnerability to pathogens and parasites as a result of suppressed bee immune systems. Used widely in agriculture as seed treatment for various crops, foraging bees, in the absence of their native habitat, are exposed to fields of poison where even pollen and nectar are contaminated. In addition to toxicity to bees, neonicotinoids have been shown […]