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Daily News Blog

Archive for the 'Pollinators' Category


12
May

Pesticides, Not Mites or Pathogens, Major Cause of Honey Bee Decline

(Beyond Pesticides, May 12, 2014) A study published in the Bulletin of Insectology substantially undercuts chemical industry arguments that neonicotinoid pesticides are not the primary contributing factor  in Colony Collapse Disorder (CCD). The results find that  hives exposed to low doses of two neonicotinoid pesticides””imidacloprid and clothianidin””do not recover from over winter losses from which  control hives quickly rebound. Researchers also discount other possible causes of CCD commonly touted by industry like diet, parasites, and pathogens. The study adds to the already expansive literature that  clearly links sublethal exposure neonicotinoid pesticides to rapid bee declines nationwide. The study, Sub-lethal exposure to neonicotinoids impaired honey bees winterization before proceeding to colony collapse disorder, was conducted in central Massachusetts during the 2012-2013 winter at three different locations with six bee colonies in each location. A third of the colonies were exposed to low doses of the pesticide imidacloprid, while another third were exposed to the pesticide clothianidin, both neonicotinoids, and the remainders were not treated. At each apiary the colonies were separated into two groups in which honey bees were fed with either sucrose water or high-fructose corn syrup (HFCS) over the study period. During the fall and winter seasons, researchers found […]

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06
May

BEE Protective! Beyond Pesticides Installs Honey Bee Hive at DC Headquarters

(Beyond Pesticides, May 6, 2014) With pollinator week a little over a month away, Beyond Pesticides is thrilled to announce that it’s amplifying its own footprint in the BEE Protective campaign by installing an urban honey bee hive at its national headquarters in southeast Washington, D.C.! Beyond Pesticides and our BEE Protective partner Center for Food Safety hope to inspire others across the country to take up the BEE Protective cause and make a safe space for pollinators in their backyards and communities. In addition to educating the public on honey bee health and producing delicious honey at the end of the season, the BEE Protective honey bee hive will provide our neighbors with a valuable service — in the form of bigger and more abundant fruits and veggies! As spring comes into full bloom, preliminary accounts of winter honey bee losses have started to trickle in, and the news isn’t encouraging. That’s why it’s critically important, now more than ever, that we all take action to BEE Protective of honey bees in our own backyards, neighborhoods, and communities. Join the BEE Protective Campaign! Already have your own honey bee hive or pollinator friendly landscape? Maybe you got your workplace […]

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30
Apr

Industry Campaign and Congressional Hearing Mislead on Bee Decline

(Beyond Pesticides, April 30, 2014) A new report, released this week by author  Michele Simon  and Friends of the Earth  documents the tactics used by Bayer and other pesticide companies to delay regulatory action on neonicotinoid pesticides —a key contributor to bee declines. The report identifies public relations tactics reminiscent of those used by the tobacco industry, is now being used by Bayer, Syngenta, and Monsanto. Meanwhile, a Congressional hearing on pollinator health, with a panel dominated by industry, ignored the risks pesticides pose to pollinators, and failed to address sustainable solutions to bee decline. The report,  Follow the Honey: 7 Ways Pesticide Companies Are Spinning the Bee Crisis to Protect Profits,  uncovers the deceptive public relations tactics used by industry giants Bayer, Syngenta and Monsanto, to deflect blame from their products’ contributions to bee declines. The products in question are the chemicals now widely used for seed treatment  —neonicotinoids— as well as on residential sites. They are highly toxic to bees and have been linked to bee decline. Last year, the European Union banned the three most widely used neonicotinoids —imidacloprid, clothianidin and thiamethoxam— based on strong science indicating these insecticides can kill bees outright and make them more […]

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25
Apr

Multiple Accounts of Honey Bee Death and Damage Continue

(Beyond Pesticides, April 24, 2014) Reports of honey bee deaths have been emerging around the nation: from bee deaths in California’s almond groves and ”˜mysterious’ road-side bee deaths in Oregon, to astronomical overwintering losses in Ohio. The reports are intensifying the ecological crises of Colony Collapse Disorder (CCD) ””a phenomenon typified by the mass abandonment of hives and bee die-off. CCD poses significant issues for many agricultural crops, such as almonds, apples, cherries and blueberries, that are almost completely reliant on honey bees for their pollination services. In California, a total of 80,000 dead or damaged bee hives were reported after pollinating almond trees in the San Joaquin Valley, a region that is known for its agricultural productivity. Beekeepers have pointed to pesticides as the primary culprit. Almond pollination in California requires an army of 1,300 commercial beekeepers from around the nation. However, this year beekeepers have seen higher damages to hives than usual. Damage to the honey bee hives this spring has been so pronounced that the U.S. Environmental Protection Agency (EPA) convened an impromptu meeting with beekeepers in Los Banos, California. The meeting brought together 75 beekeepers who testified that 75 percent of their hives showed severe damage […]

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22
Apr

Community Action on Earth Day -Eliminate Toxic Chemicals that Jeopardize the Natural World

(Beyond Pesticides, April 22, 2014) As we reflect on the beauty and wonder of the natural world this Earth Day and seek to restore  and preserve  the intricate web of life on the planet, we face an urgent need to stop ongoing toxic chemical contamination.  The hard truth of our time is that the natural world on which life depends  is under grave threat from numerous toxic insults resulting from mechanized and industrial human activity. Massive die-offs of beneficial organisms, increased rates of autoimmune diseases, endocrine disrupting and transgenerational chemical effects, and widespread pollution of our air and waterways —all linked to pesticides and other toxic chemicals, establish the critical  need  to adopt organic standards in sync with ecosystems. This Earth Day we ask you to spread awareness of toxic chemicals that pollute the environment. Get active to safeguard your community and the surrounding environment from toxic insults: teach your neighbors how to maintain their land without toxic pesticides, protect honeybees from neonicotinoids insecticides, aquatic species from endocrine disrupting chemicals, and the streams, lakes, and rivers we all depend on from the widespread use of harmful synthetic pesticides and fertilizers. Beyond Pesticides has the tools needed to increase environmental awareness […]

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08
Apr

See You at “Advancing Sustainable Communities,” National Pesticide Forum, April 11-12, Portland, OR!

(Beyond Pesticides, April 8, 2014) With less than a week until the 2014 National Pesticide Forum, please take a moment to consider three reasons why you should attend this exciting and important event: 1. Learn from Leading Scientists and Experts: Many of the conference speakers are top leading experts in their fields, and you just aren’t exposed to these kinds of people every day. While you’re at the Forum you’ll have the opportunity to listen to them speak and interact with them during panel sessions: Longtime leader and visionary in sustainable organic agriculture, Fred Kirschenmann. Center for Food Safety’s leading environmental attorney George Kimbrell on genetic engineering and pollinators; Pierre Mineau, PhD, world-renowned environmental toxicologist; Cutting edge scientist on transgenerational effects of pesticide exposure, Michael Skinner, PhD; Mace Vaughan, Pollinator Program Director for The Xerces Society; and so much more. These highlighted speakers do not diminish the importance of all the incredible speakers on the program, from lawyers, scientists, town officials, and activists, to the Beyond Pesticides’ board of directors. Check out the full program for more information. 2. Engage with Organic Land Management Practitioners: The Forum presents a unique opportunity to learn and discuss ways to tackle turf, landscape, […]

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27
Mar

Neonicotinoid Pesticides Lack Benefits, Studies Find

(Beyond Pesticides, March 27, 2014) — A report released by Center for Food Safety (CFS) this week refutes claims that a dangerous class of insecticides, neonicotinoids, bring greater benefits than costs to farmers. In the report, Heavy Costs: Weighing the Value of Neonicotinoid Insecticides in Agriculture, researchers analyzed independent, peer-reviewed, scientific literature to answer the simple question: Are neonicotinoid insecticidal seed treatment products beneficial or not? Neonicotinoids, the pesticides in question, are a class of systemic insecticides. Despite numerous studies linking these insecticides with bee kills, colony collapse, and weakened pollinator immune systems, the U.S. Environmental Protection Agency (EPA) continues to operate under an alarmingly slow pesticide registration review process, one that extends to 2018 and will most likely fail to appropriately apply the appropriate standard of review for pesticide registration. Under that standard of review, EPA should not approve a pesticide that poses unreasonable risks to “man or the environment,”  taking into account economic, social, and environmental costs and benefits.   Unfortunately, economic costs and benefits usually become the sole factor. Because of EPA’s failure to appropriately weigh these costs and benefits, honey bees and other pollinators have been bearing the brunt of the costs without recognition of the […]

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20
Mar

EPA Asked to Protect Bees with Over Half A Million Signatures

(Beyond Pesticides, March 20, 2014)””Today, more than 500,000 signatures were delivered to U.S. Environmental Protection Agency (EPA) Administrator Gina McCarthy, urging the nation’s top-ranking environmental leader to protect bees and other pollinators. The date marks the one-year anniversary of the lawsuit filed against EPA by beekeepers, food, and environmental groups, including Beyond Pesticides, over the continued allowance of two bee-toxic pesticides: clothianidin and thiamethoxam. It also marks the two-year anniversary of the emergency legal petition filed against the agency on this same issue. EPA has yet to take serious action to address dramatic bee declines. The pesticides in question are a class of systemic insecticides known as neonicotinoids. Despite numerous studies linking neonicotinoids with bee kills, colony collapse, and weakened immune systems, EPA continues to operate under an alarmingly slow registration review process for these insecticides, one that extends to 2018. Honey bees are responsible for producing one in every three bites of food we eat, but research increasingly shows they are being harmed by the indiscriminate use of neonicotinoids, both alone and in combination with other pesticides. It is the job of the EPA to review such pesticides for safety and to take action if they are found to […]

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07
Mar

Minnesota Beekeepers Call on Agency to Suspend Bee-Killing Pesticide

(Beyond Pesticides, March 7, 2014) Forty Minnesota beekeepers have called on the state’s Department of Agriculture to suspend the use of corn seeds treated with bee-killing neonicotinoid pesticides, now one of the most ubiquitously used insecticides nationwide. Their move follows a commitment by two Minnesota state agencies to study the impact of neonicotinoid pesticides, which””given mounting research implicating neonicotinoids in bee declines””beekeepers claim do not go far enough. Minnesota beekeeper Steve Ellis, owner of Old Mill Honey Co., expressed the petition’s rationale to MPRNews, “Beekeepers in Minnesota last year and in years previous have been reporting mortality events at corn seeding time,” said Mr. Ellis, who has about 2,500 hives in Barrett, Minn. “Apparently the dust is getting off of the corn seeding and going off site and causing poisoning of honey bees on flowers and around their hives.” The petitioners represented more than 10 percent of managed honey bees in the state with a total of 40,000 hives. But many, like Mr. Ellis, are contracted to provide pollinator services to crops around the nation, not just in Minnesota. These crops include cherries, blueberries, pumpkins, apples, and almonds. In California, the $3-billion almond industry spends $239 million annually to rent […]

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05
Mar

Community Passes Resolution Banning Neonicotinoids

(Beyond Pesticides, March 5, 2014) The City of Eugene, Oregon became the first community in the nation to specifically ban from city property the use of  neonicotinoid pesticides, which have scientifically linked to the decline of honey bee colonies.  The passage of the resolution came just one week after the Oregon state legislature passed a pollinator protection  bill that removed language requiring the restriction of neonicotinoid pesticides, and includes instead a weaker requirement to set up a task force that will examine the possibility of future restrictions. In addition to neonicotinoid restrictions, the City’s resolution also expands Eugene’s pesticide-free parks program and now requires all departments to adopt integrated pest management (IPM) standards. The Eugene City Council action was taken unanimously on February 26 with the passage of  Council Resolution,   “Enhancing Current Integrated Pest Management in Parks,”  Resolution 5101. The resolution also includes clear goals on children’s health,  expands the current Parks and Open Space Division’s  Pesticide-Free Parks program from 10 to potentially 40 parks, and requires IPM on all city property. The resolution notes that “children and infants may be especially sensitive to health risks posed by pesticides for several reasons: (a) their internal organs are still developing […]

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04
Mar

USDA Seeks to Increase Pollinator Habitat without Focus on Pesticides and GE

(Beyond Pesticides, March 4, 2014) The United States Department of Agriculture (USDA) recently committed to providing financial assistance to farmers and ranchers in five Midwestern states to improve and create bee-friendly habitat. This project comes as American beekeepers have continued to experience rapid colony declines with losses over the winter over 30 percent per year. The creation of pollinator-friendly habitat is an important step to slowing pollinator losses, however this project does not challenge the expansion of agriculture into current pollinator habitat, the use of systemic pesticides that are linked to pollinator decline, or the widespread adoption of genetically engineered crops with elevated use of herbicides that kill habitat. USDA’s Natural Resources Conservation Service (NRCS) will provide $3 million in technical and financial assistance to farmers and ranchers to create and improve bee friendly habitat in five Midwestern states. Ranchers can qualify for assistance to reseed pastures with alfalfa, clover and other plants that bees forage.  NRCS will also assist ranchers in building fences, installing water tanks and other changes to better move cattle between pastures so as not to wear down vegetation. Farmers can also qualify for funds to plant cover crops, and bee friendly forage in boarders and […]

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03
Mar

Register Today! Advancing Sustainable Communities: People, pollinators and practices

(Beyond Pesticides, March 3, 2014) Advancing Sustainable Communities: People, pollinators and practices, the 32nd National Pesticide Forum, will be held April 11-12, 2014 at Portland State University, in Portland, OR. This years’ forum will focus on solutions to the decline of pollinators and other beneficials; strengthening the organic food production system; regulating and right-to-know genetically engineered food; improving farmworker protection and agricultural justice; and creating healthy buildings, schools and homes. Join top scientists, local and national activists and grassroots organizers to strategize on solutions that protect health and the environment. For more information and to register, go to www.beyondpesticides.org/forum. In addition to the program, people,  science, sharing and strategizing, you won’t want to miss the  food! Organic food and beverages will be served for breakfast, lunch and dinner Saturday, and we will have organic hors d’oeuvres, beer and wine for receptions on Friday and Saturday night. Speaker highlights include: Longtime leader in sustainable and organic agriculture, Fred Kirschenmann; “Maverick” Scientist Michael Skinner, Ph.D., author of the landmark study that links exposure to DDT with multi-generational effects, ultimately contributing to obesity three generations down the line; Goat herder Lani Malmberg, who uses her heard of over 2,000 goats to manage invasive […]

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26
Feb

Organic Farmer Faces Jail Time for Refusing to Spray Pesticide

(Beyond Pesticides, February 26, 2014) The French agriculture ministry is prosecuting Emmanuel Giboulot, an organic winemaker, for failing to apply insecticide to his vines. The ministry wants insecticide to be sprayed to control the leafhopper Scaphoideus titanus, believed to be responsible for the spread of the grapevine disease, but Mr. Giboulot believes the pesticide is ineffective and damaging to pollinating insects such as bees, and insists the disease can be fought via more natural means. Emmanuel Giboulot appeared before a judge in the city of Dijon on Monday after defying an official order to treat his vineyard against an insect suspected of transmitting a devastating plant disease, and risks six months in jail for failing to take preventive measures against a bacterial vine disease. He was fined €1,000 for putting neighboring vineyards at risk. The court’s final verdict will be announced on April 7. Mr. Giboulot, an organic and biodynamic winemaker, was found to be in violation of a directive to use pesticides to fight Flavenscence dorĂ©e, an infectious disease spread by the leaf hopper, Scaphoideus titanus that threatens the CĂ´te-d’Or region of Burgundy. An estimated 30 acres of vines were destroyed by the disease in 2012. “Would we give […]

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21
Feb

Honey Bee Diseases Threaten Bumblebees; Late Breaking: EPA Announces New Protections for Farmworkers

(Beyond Pesticides, February 21, 2014) A new study published in the journal Nature investigating two infectious diseases ””deformed wing virus (DWV) and the fungal parasite Nosema ceranea”” finds that they could be spreading from honey bees to bumblebees, dramatically shortening the lifespan of the wild bumblebees. The study gives credence to recent research demonstrating that pesticide use compromises immune system functioning, dramatically raising their susceptibility to diseases. The study, Disease associations between honeybees and bumblebees as a threat to wild pollinators,  suggests that managed, highly-dense populations of honey bees, are breeding grounds for pathogens which may then be transmitted to bumblebee populations. But unlike honey bees, infected bumblebees are much more affected by the disease, with their lives shortened by  six full days. “To put it into context, in the field a bumblebee worker lives 21 days,” said co-author Mark Brown, PhD., of Royal Holloway, University of London. “For every bee that has this virus, you’re losing about a third or a quarter of all the food it would bring back to the nest to help the nest grow.” Additionally, while honey bee hives have tens of thousands of worker, bumblebee hives have only hundred at most. The study, underlines […]

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18
Feb

Advocates Urge California Officials to “Show Bees Some Love”

(Beyond Pesticides, February 18, 2014) On Valentine’s Day, Beyond Pesticides, Pesticide Action Network, and Center for Food Safety, represented by Earthjustice, submitted detailed comments to state officials urging them to stop approving pesticides linked to bee declines. The groups also underscored larger problems with the Department of Pesticide Regulation’s inability to complete evaluations of pesticides after five years. “California officials are rushing to approve yet another systemic bee-harming pesticide before they fully understand the range of impacts,” said Jay Feldman, executive director of Beyond Pesticides and one of the groups that also filed federal comments. “After five years of evaluation, state officials continue to rubber stamp new products that are known to harm bees,” said Paul Towers, Organizing & Media Director for Pesticide Action Network. “The problem is urgent and unless California officials take swift action, they put California’s food system and agricultural economy at risk.” A growing body of independent science links a class of pesticides called neonicotinoids (“neonics”) to bee declines, both alone and in combination with other factors like disease and malnutrition. Oregon officials determined the neonic dinotefuran was the cause of two massive bee kills in the state last year. In the letter submitted on Friday, […]

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14
Feb

Oregon Bill to Restrict Bee-Killing Pesticides Gutted

(Beyond Pesticides, February 14, 2014) Legislation in Oregon that would have banned the use of four neonicotinoid pesticides for home and garden uses has been severely gutted, following push back from agricultural and nursery interests. The legislative panel will instead propose creating a much weaker requirement to set up a task force that will only examine the possibility of future restrictions. The original bill language would have added neonicotinoid pesticides dinotefuran, imidacloprid, clothianidin and thiamethoxam to Oregon’s list of restricted pesticides, which can only be applied by licensed pesticide applicators. However, the bill has now been drastically amended  after consultation with scientists, nursery and agriculture interests, and environmental groups, said bill sponsor Representative Jeff Reardon (D-Portland) to the House committee. “The Oregon Legislature should be ashamed of itself for its failure to act on the face of this clear ecological crisis,” said beekeeper and activist Tom Theobald. “The change to restricted use was a step in the right direction, a small step, but a step,” he continued, voicing his disappointment. The original bill, HB4139, was introduced by Rep. Reardon earlier this year in response to several bee-kill incidents in Oregon last summer, including one that killed more than 50,000 bumblebees […]

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12
Feb

Bee Week of Action: Demand Stores Stop Selling Bee-Killing Pesticides

Thousands participate in bee swarm actions across the country on Valentine’s week (Beyond Pesticides, February 12, 2013) ”” This week, over 27,000 people coast-to-coast are swarming Lowe’s and Home Depot stores to support the bees that pollinate our flowers for Valentine’s Day. In a coalition campaign called the Bee Week of Action, Beyond Pesticides, Friends of the Earth and allies are delivering more than half a million petition signatures and Valentines asking these retailers to show bees some love by taking off their shelves pesticides shown to harm and kill bees —and garden plants treated with these pesticides. Beyond Pesticides is partnering with Friends of the Earth U.S., Beelieve, Beyond Toxics, Center for Food Safety, CREDO Mobilize, Friends of the Earth Canada, Northwest Center for Pesticide Alternatives, Organic Consumers Association, Pesticide Action Network, SumOfUs and the Xerces Society for Invertebrate Conservation to turn out activists across the country, including larger actions in Chicago, Washington, D.C., Minneapolis, the San Francisco Bay Area, Boston area, and Eugene, Ore. For a listing of cities participating in action, click here. This national week of action is a part of a retail campaign that is calling on retailers to stop selling neonicotinoids —the most widely […]

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11
Feb

“Near-Infinitesimal” Exposure to Neonicotinoids Reduces Bees Ability to Gather Food

(Beyond Pesticides, February 11, 2014) In the midst of another tough winter for bees across the globe, scientists reveal new research showing that exposure to neonicotinoid pesticides causes a 57% reduction in the amount of pollen bumblebees are able to collect for their colony. The new evidence on these systemic pesticides, “Field realistic doses of pesticide imidacloprid reduce bumblebee pollen foraging efficiency,” published in the journal Ecotoxicology, documents a decline in pollen gathering abilities at extremely low doses that bees are likely to encounter in the field. Researchers found that the effects of neonicotinoid intoxication persist for a least a month after exposure, underscoring the long-term damage these chemicals can cause to bee colonies. Hannah Feltham, PhD, research student and co-author of the study, remarked, “This work adds another piece to the jigsaw. Even near-infinitesimal doses of these neurotoxins seem to be enough to mess up the ability of bees to gather food. Given the vital importance of bumblebees as pollinators, this is surely a cause for concern.” After being exposed to “near-infinitesimal” amounts of the neonicotinoid imidacloprid through pollen and sugar water (6 parts per billion and .7 parts per billion, respectively), bumblebees were outfitted with Radio Frequency Identification […]

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07
Feb

As Bees Decline, EPA Registers Another Toxic Insecticide

(Beyond Pesticides, February 7, 2014) Flying in the face of  recent science demonstrating that pollinator populations are declining, the U.S. Environmental Protection Agency (EPA) has made the decision to unconditionally register another pesticide that is known to be highly toxic to bees, coming almost one year after EPA registered sulfoxaflor, disregarding concerns from beekeepers and environmental groups. The announcement, posted in the Federal Register on Wednesday, set tolerances for the pesticide cyantraniliprole in foods ranging from almonds and berries, to leafy vegetables, onions, and milk. EPA establishes the allowable limit of the chemical residue, called tolerances, based on what EPA considers ”˜acceptable’ risk.  EPA’s ruling details that “there is a reasonable certainty that no harm will result from aggregate exposure to the pesticide residue,” despite all evidence that cyantraniliprole is toxic to bees and harmful to mammals. Ignoring beekeeper warning and concerns on their impacts to bees, EPA has given the green light for cyantraniliprole after recently registering sulfoxaflor.  In July 2013, beekeepers filed suit against EPA for their decision to register sulfoxaflor when it failed to demonstrate that it will not cause any ”˜unreasonable adverse effects on the environment’ as required by the Federal Insecticide, Fungicide, and Rodenticide Act […]

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06
Feb

Bee Larvae Adversely Affected by Mix of Pesticides and Inert Ingredients

(Beyond Pesticides, February 6, 2014) We know that pesticides and bees don’t mix and that particular pesticides, such as neonictinoids, pose significant threats to bee populations worldwide, but a recent study conducted by researchers at Pennsylvania State University have identified that it is “the mix” of the many chemicals in the environment that pose a significant threat to honey bee survival. Looking at the four most common pesticides detected in pollen and wax –fluvalinate, coumaphos, chlorothalonil, and chloropyrifos, Wanyi Zhu and other researchers have assessed the toxic impacts of these pesticides on honey bee larvae at real world exposure levels; that is, levels that are found in existing hives outside of a laboratory. But these researchers go beyond the usual one-chemical analysis in their study,  Four Common Pesticides, Their Mixtures and a Formulation Solvent in the Hive Environment Have High Oral Toxicity to Honey Bee Larvae. Rather than just looking at the pesticides in their individual, out-of-the-bottle form, they also mixed them up and broke them apart. Why did they take this mixed-up approach? “Recently, one hundred and twenty-one different pesticides and metabolites were identified in the hive with an average of seven pesticides per pollen sample, including miticides, insecticides, […]

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04
Feb

Do Something Sweet for Honey Bees This Valentine’s Day!

(Beyond Pesticides, February 4, 2014) No strawberries, no honey — without bees Valentine’s Day just wouldn’t be the same. In fact, one out of three bites of food depend on honey bee pollination, but they are in danger from the use of neonicotinoid pesticides that Europe has already banned. We know bees can’t wait any longer for increased protections, so we need to take a stand wherever we can. That’s why we’re asking you to join thousands of people coast-to-coast to swarm Home Depot and Lowe’s stores the week of Valentine’s Day (February 10-16). We’ll be delivering valentines, asking these stores to “show bees some love” and stop selling bee-killing pesticides and garden plants poisoned with these harmful chemicals. Planting season is right around the corner. We can’t let another year pass with Home Depot and Lowe’s selling “poisoned plants” with no warning to consumers. Last year U.S. beekeepers reported a 30-100 percent loss of their hives, and right now they are likely facing another winter of historic bee die-offs. You can help BEE Protective of pollinators during another tough winter season by delivering a Valentine to retailers. We’ve made it easy: Sign up here and we’ll send you a […]

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22
Jan

Exposure to Pesticides Results in Smaller Worker Bees

(Beyond Pesticides, January 22, 2014)  Exposure to a widely used pesticide causes worker bumblebees to grow less and then hatch out at a smaller size, according to a new study by Royal Holloway University of London. The research, published this week in the Journal of Applied Ecology, reveals that prolonged exposure to a pyrethroid pesticide, which is used on flowering crops to prevent insect damage, reduces the size of individual bees produced by a colony. The researchers, Gemma Baron, Dr Nigel Raine and Professor Mark Brown from the School of Biological Sciences at Royal Holloway worked with colonies of bumblebees in their laboratory and exposed half of them to the pesticide. The scientists tracked how the bee colonies grew over a four month period, recording their size and weighing bees on micro-scales, as well as monitoring the number of queens and male bees produced by the colony. “We already know that larger bumblebees are more effective at foraging. Our result, revealing that this pesticide causes bees to hatch out at a smaller size, is of concern as the size of workers produced in the field is likely to be a key component of colony success, with smaller bees being less […]

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21
Jan

Minnesota Takes Steps to Protect Bees, Beekeepers Demand Stronger Action

(Beyond Pesticides, January 21, 2013) Two Minnesota state agencies are creating plans they say will  address declining pollinator populations in the state. The Minnesota Department of Natural Resources (DNR) is developing best management practices for managing and increasing pollinator habitat and the Minnesota Department of Agriculture (MDA) is developing a plan to study the impacts of neonicotinoid pesticides on pollinators. Critics of the state’s plan say that there is no more need to study the effects of neonicotinoids because the negative impacts they have on pollinators has been already studied extensively.   The DNR is developing guidelines to improve habitat for pollinator insects. Recent reports show that  the planting of herbicide-resistant genetically engineered (GE) crops is responsible for habitat loss and the decline of native pollinators like the Monarch butterfly. The expansion of glyphosate tolerant GE corn and soybean cropland has allowed farmers to kill milkweed, the primary source of food for Monarchs, which historically grew between crop rows in the Midwest. A rapid expansion of farmland ””more than 25 million new acres in the U.S. since 2007”” has also eaten away grasslands and conservation reserves that supplied the Monarchs with milkweed. DNR officials have indicated this guide could change […]

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