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Daily News Blog

Archive for the 'Pests' Category


01
Feb

EPA Moves to Cancel d-CON Rodent Killing Products

(Beyond Pesticides, February 1, 2013) The U.S. Environmental Protection Agency (EPA) announced its decision to go ahead with the cancellation of 12 rodenticide products which posed “unreasonable adverse effects on the environment.” The decision came after manufacturer Reckitt Benckiser’s refusal to adopt EPA safety standards for its d-CON mouse and rat control products. The action follows EPA’s Notice of Intent to Cancel (NOIC), issued in 2011, to Reckitt Benckiser and two other companies, Liphatech and Spectrum Group Division of United Industries Corporation, which voluntarily removed eight of their products from the market and were therefore not listed for cancelation by EPA. EPA requires that rodenticide products sold to individual consumers are in tamper-resistant bait stations, rather than in pellet or powder form. Additionally, EPA recognizes the risks that rodenticide products containing brodifacoum, bromadiolone, difethialone, and difenacoum pose to wildlife and will no longer allow them to be sold or distributed in the consumer market. However, use by professional applicators and in agriculture will still be permitted as long as they are in bait stations. EPA says this will reduce the amount of product in the environment, providing additional protection for wildlife from poisonings by these more toxic and persistent products. […]

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25
Jan

Corn Rootworm Resistance to Toxins in GE Crops, Says EPA

(Beyond Pesticides, January 25, 2013) The U.S. Environmental Protection Agency (EPA) has  concluded that corn rootworm is now resistant to genetically engineered corn infused with a toxin derived from Bacillus thuringiensis, or Bt, in certain parts of the Corn Belt, casting doubt on the future viability of GE corn. The conclusion of the Insect Resistance Management (IRM) Team is based on several years of data indicating that the Cry3Bb1 protein strain of Bt is ineffective at controlling corn rootworm. The press release on January 17 states: “The EPA IRM Team has concluded that corn rootworm may not be completely controlled by Cry3Bb1 in certain parts of the Corn Belt. While ”˜confirmed resistance’ as defined in registration documents has not been met, given the nature of the data, the manufacturer, Monsanto, has agreed to several actions and changes related to the registration of Cry3Bb1 products to address these matters.” Originally marketed by Monsanto in 2003, the protein Cry3Bb1 is designed to destroy the gut of the western corn rootworm. The rootworm has historically devastated corn fields, causing greatest damage in chemical-intensive agriculture during its larval stage by feeding upon the plant’s roots, inhibiting the plant’s ability to absorb moisture and nutrients […]

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09
Jan

Lower Asthma Rates in Boston Attributed to IPM in Public Housing

(Beyond Pesticides, January 9, 2013) Boston health officials say new city data indicate that asthma incidences have dropped nearly by half since 2005. This is attributed to Boston Housing Authority (BHA) and Boston Public Health Commission implementation of an integrated pest management  (IPM)  program in low-income housing to reduce the number of cockroaches and rodents, while reducing the use of pesticides, which, along with cockroach and rodent droppings, can aggravate asthma symptoms. The data, covering 2006 through 2010, show the rate of adults who reported having asthma symptoms in the authority’s units dropped from 23.6 percent in 2006 to 13 percent in 2010, the latest year available. At the same time, asthma rates in other low-income housing in Boston, not run by BHA, remained relatively unchanged. Public health analysts studied data from a biennial telephone survey of Boston adults between 2006 and 2010. The survey asks residents a wide range of questions, and analysts compared the answers from roughly 300 housing authority residents to others not living in city-run housing. In the late 1990s and early 2000s, health authorities found extremely high infestations of roaches and rodents in BHA buildings, and equally concerning, housing leaders were seeing desperate residents resorting […]

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21
Dec

Happy New Year From Beyond Pesticides to You!

Beyond Pesticides wishes our members and friends a happy, healthy, and organic New Year! Our Daily News is taking a holiday break and will return on Thursday, January 3, 2013 with renewed energy and vision to continue charging ahead. We look forward to working with you to make 2013 a fruitful, pesticide-free year for you, your family, your community and those most vulnerable. We are thankful for all our members and supporters who enable Beyond Pesticides to be a strong voice that works to protect our air, land, water, and food at home, in the workplace, and in local communities from policies that allow practices resulting in unnecessary and unsustainable poisoning and contamination. We hope you will consider a charitable donation to Beyond Pesticides. Whether you become a member, give the gift of membership, donate, or buy a gift from our online shop, your contribution can do a world of good. These unique gifts help protect human health and the environment from toxic pesticides, and will be enjoyed by your friends and loved ones throughout the New Year. As you reflect upon the passing year and contemplate your wishes for the next, we ask you to consider Beyond Pesticides vision […]

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20
Dec

San Francisco To Release Innovative Design Guidelines to Build Out Pests

(Beyond Pesticides, December 20, 2012) A preliminary version of Pest Prevention by Design, authored by Chris A. Geiger, Ph.D. and Caroline Cox of the Center for Environmental Health (CEH), was recently released by the San Francisco Department of the Environment (DOE). These guidelines, which will formally be released in mid-January of 2013, were created to help architects, engineers and builders to design and construct buildings that minimize the use toxic chemicals for pest control. This is accomplished by laying out comprehensive guidelines for building designs that prevent pest problems from taking hold. According to the authors of this report, “To our knowledge, no other comprehensive guidelines on pest preventive design tactics exists.” The San Francisco DOE is now exploring ways to pilot test the guidelines in various housing developments in San Francisco, and is hoping that these guidelines will be incorporated into various green building checklists, such as Leadership in Energy and Environment Design certification (LEED). These guidelines work to address the issue that pest preventive tactics are rarely included in a comprehensive way at the design stage of buildings. The authors point out that architecture, construction, facility management, and pest control companies are part of insular industries that have […]

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14
Dec

Neonicotinoids Regulators Criticized by UK Parliament

(Beyond Pesticides, December 14, 2012) Decision making advice by the Advisory Committee on Pesticides (ACP) and insecticide regulator, the Department for Environment, Food, and Rural Affairs (Defra), were harshly criticized on Wednesday by Members of Parliament (UK), as they discussed the problems associated with neonicotinoids, a group of neurotoxic insecticides linked to serious declines in bee and pollinator populations. The meeting was attended by Members of Parliament, members of the Advisory Committee on Pesticides, Lord de Mauley, the Parliamentary Under-Secretary of State, the Department for Environment, the Food and Rural Affairs and officials, bringing neonicotinoids and their impact on bees to the attention of the international community as well as at home. The discussion focused on the evidence used to make a decision on the allowance of neonicotinoids and plans for the future. ACP members indicated that evidence for future draft plans would be based on new studies developed in 2012 on the effects of neonicotinoids at the colony level, as well as the impact of neonicotinoids exposure in field tests, rather than in the lab. Research will likely fill the extant data gaps, the most important of which were identified by officials of Defra, the environmental regulatory agency in […]

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03
Dec

FDA Allows Lindane Use to Continue Despite Health Risks and Calls for a Ban

(Beyond Pesticides, December 3, 2012) The Food and Drug Administration (FDA) has denied a 2010 petition filed by the National Resources Defense Council (NRDC) and Pesticide Action Network North America (PAN) to ban the insecticide lindane, which is harmful to human health and ineffective in controlling lice and scabies. Pressure had been mounting on FDA to halt the pharmaceutical use of lindane as, in addition to this petition, Congressman Edward J. Markey (D-Mass.), senior member of the Energy and Commerce Committee, asked FDA to stop the pharmaceutical use of lindane this past summer. Because of FDA’s decision, lindane is still an active ingredient in pharmaceutical insecticide products such as lice shampoos and lotions. Lindane was formerly used in agricultural insecticides until it was banned by the Environmental Protection Agency (EPA) for use on crops in 2006. FDA regulates pharmaceuticals that contain insecticides and pesticides, such as triclosan, that are in cosmetics. Over 160 countries including the United States have signed on to the Stockholm Convention on Persistent Organic Pollutants (POPs) in 2001 which aims to eliminate or restrict the production and use of persistent organic polluntants. Lindane along with nine other chemcials was added to this list on May 9th […]

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29
Nov

Bedbugs May Be Controlled by Natural Fungus

(Beyond Pesticides, November 29, 2012) Preliminary research from Penn State finds that a natural fungus, Beauveria bassiana, may be used to control bedbugs. The study, entitled “A preliminary evaluation of the potential of Beauveria bassiana for bed bug control,” finds that all of the bedbugs exposed to the biopesticide became infected and died within five days. The research found no differences in insect’s susceptibility to the fungus due to feeding status, sex, strain, or life stage. Most importantly, the infected bedbugs carried the biopesticide back to their hiding places, infecting those that did not go out in search of blood. “We exposed half of a population of bedbugs to a spray residue for one hour and then allowed them to go into a harborage with unexposed individuals,” said Nina Jenkins, senior research associate in entomology. “The fungal spores were transferred from the exposed bug to their unexposed companions, and we observed almost a hundred percent infection. So they don’t even need to be directly exposed, and that’s something chemicals cannot do.” This result is important because bedbugs live in hard-to-reach places. “Bedbugs tend to be cryptic, and they’ll hide in the tiniest crevices,” said Ms. Jenkins. “They don’t just live […]

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16
Nov

Drug Will Turn Your Blood into a Pesticide Toxic to Bed Bugs

(Beyond Pesticides, November 16, 2012) New research suggests that the drug Stromectal (manufactured by Merck & Co.), which is typically used to treat parasitic worms, may also kill bed bugs. The active ingredient in the drug is ivermectin, which has also been getting publicity recently for its efficacy in killing head lice. Unfortunately, ivermectin, a member of the avermectin family of compounds, appears risky, and even unnecessary given that there are safe non-toxic methods to control and prevent bed bug and head lice infestations. John Sheele, M.D., an emergency physician at Eastern Virginia Medical School in Norfolk who led the bed bug study, tested ivermectin on himself and three colleagues over the course of five different blood meals using three adult and three juvenile bed bugs. They allowed the bed bugs to feed on them before taking the drug and 3, 8, 22 and 54 hours after consuming the same combinations of different insecticides. Within three hours of feeding on blood containing ivermectin, the bed bugs began to die. David Pariser, M.D., also of Eastern Virginia Medical School, led a different study that looked at the efficacy of using ivermectin applied topically to control head lice. Researchers found that after […]

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13
Nov

Lights Out for Aphids

(Beyond Pesticides, November 13, 2012) There’s a new tool in the fight against aphids. Research published in the journal Horticultural Science discovered that reducing the amount of ultra-violet (UV) light in an environment can shrink the population of an aphid infestation. This study is encouraging as it has the ability to dramatically reduce pesticide applications. Scientists carried out their study in two “tunnel type” greenhouses over three separate lettuce growing seasons. The crops in one greenhouse were covered with standard mesh netting, while crops in the other greenhouse were covered with netting that filtered radiation in the UV spectrum (the product ‘Bionet’ was used in the study). Researchers then artificially introduced aphid pests into the environment, and tracked their dispersal patterns and overall population weekly through a statistical analysis. Although the aphid population grew exponentially in both environments, it was significantly lower in the greenhouse where the aphids were covered by the UV-absorbing material. This has important implications for greenhouse-grown greens. Using this technique, farmers can reduce the costs associated with pesticide use, concurrently protecting the health of the surrounding environment and consumers purchasing their crops. The researchers note that UV radiation acts as an important visual cue not only […]

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06
Nov

Genetically Engineered Mosquitoes Take Flight in Brazil

(Beyond Pesticides, November 6, 2012) In efforts to stamp out the deadly disease Dengue fever, officials in Brazil are in the process of releasing millions of genetically engineered (GE) mosquitoes into the environment. However, some in the environmental community are concerned about the possible non-target effects of this experiment, and urge additional research in the lab before releasing the insects into the natural world. According to the Los Angeles Times, the experiment is taking place in the small town of Itaberaba, in Brazil’s Bahia state. The company overseeing the release, London-based Oxitec, also developed the GE insects. GE mosquitoes are raised in the laboratory, where the eggs of female mosquitoes are injected with a gene that produces sterile male mosquitoes. The modified male mosquitoes are then released into the environment en masse where they crowd out native males and mate with available females. The offspring from these mosquitoes are supposed to die before they hatch. In the town of Itaberaba, 84% of mosquito larvae now carry the modified gene, and the state government has approved an expansion of the program into five additional neighborhoods. GE mosquitoes have previously been released into uninhabited areas of India and Malaysia, and future plans […]

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05
Nov

Growing “Super Rat” Population Is Resistant to Rodenticides

(Beyond Pesticides, November 5, 2012) An ongoing study in the United Kingdom has found that in areas of southern England up to 75% of the rat population is potentially resistant to the common rodenticides warfarin, bromadiolone, and difenacoum. Pesticide resistance was documented in rats as early as the 1950’s. Common rodenticides used in homes already pose a high risk to human and animal health, but as more rodents become resistant to these pesticides individuals face the greater danger of pest control companies using higher doses of more lethal chemicals to deal with “super rats.” The rodenticides being tested in this study are anticoagulant pesticides that work by blocking vitamin K-dependent synthesis of the blood clotting substance prothrombin. These chemicals cause the animal to bleed to death internally. Not only are these chemicals toxic to mammals, but they are often used in dangerous loose bait and pellet traps. These traps put children at particular risk for exposure because the products are typically placed on floors, and young children sometimes put bait pellets in their mouths. The American Association of Poison Control Centers annually receives between 12,000 and 15,000 reports of children under the age of six being exposed to these types […]

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03
Oct

Increased Pesticide Use and Resistant Weeds -The Troubling Legacy of GE Crops

(Beyond Pesticides, October 3, 2012) A study published this week by Washington State University’s research professor Charles Benbrook, PhD, finds that the use of herbicides in the production of three genetically engineered herbicide-tolerant crops -cotton, soybeans and corn- has actually increased, contrary to industry claims that the technology would reduce pesticide applications. While Dr. Benbrook’s analysis is the first peer-reviewed, published estimate of the impacts of genetically engineered (GE) herbicide-tolerant crops on pesticide use, scientists have been raising the alarm over the mounting numbers of herbicide resistant weeds. This herbicide resistance finding, which contradicts chemical industry claims, is based on an exhaustive analysis of publicly available data from the U.S. Department of Agriculture’s National Agriculture Statistics Service. In the study, “Impacts of genetically engineered crops on pesticide use in the U.S. — the first sixteen years,” which appears in the peer-reviewed journal Environmental Sciences Europe, Dr. Benbrook writes that the emergence and spread of glyphosate-resistant weeds is strongly correlated with the upward trajectory in herbicide use. Marketed as Roundup and other trade names, glyphosate is a broad-spectrum systemic herbicide used to kill weeds. Approximately 95 percent of soybean and cotton acres, and over 85 percent of corn, are planted to […]

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14
Sep

Massachusetts Fails to Support Claim that Aerial Spraying Suppresses Insect-Borne Disease

(Beyond Pesticides, September 14, 2012) The State of Massachusetts has been unable to produce the records backing up its claim that the biggest aerial spraying of pesticides in Commonwealth history this July significantly reduced mosquito-borne disease risks, according to Public Employees for Environmental Responsibility (PEER). Further, the state has no proof aerial spraying is an effective safeguard against Eastern Equine Encephalitis (EEE). In a July 31 press release, the Massachusetts Department of Public Health (DPH) announced that “aerial spraying the weekend of July 20-22 reduced the mosquito population by approximately 60 percent within the 21-community spray zone in Southeastern Massachusetts.” DPH Commissioner John Auerbach was quoted as crediting aerial spraying for causing “a significant reduction in the volume of mosquitoes.” Immediately following that release, New England PEER Director Kyla Bennett submitted a public records request for the materials supporting these claims. More than a month later, DPH has still been unable to produce any records on which it based its press release. The matter is on appeal before the Secretary of State, the last administrative hurdle PEER needs to jump over in order to sue DPH to force the production of records. PEER points out that agencies conducting aerial spraying […]

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05
Sep

California Court OKs Pesticide Plan for Light Brown Apple Moth

(Beyond Pesticides, September 5, 2012) A California court has removed aerial spraying from a controversial statewide plan to control the light brown apple moth. However, the court let stand the rest of the large-scale plan implemented by the California Department of Food and Agriculture (CDFA), limiting its duration and requiring a review of the environmental effects if the state proposes to continue the Light Brown Apple Moth (LBAM) Program beyond 2017. While the state cannot use aerial spraying methods, the plan approved by the court permits the use of pesticides to control the moth. In a ruling released last week, Sacramento Superior Court Judge Lloyd Connelly referred to “the experimental nature of the LBAM Program,” observing, “There is no evidence that the Department has been able to identify with any certainty the effectiveness of particular strategies in containing, controlling, suppressing or eradicating LBAM.” The Judge also ruled that, without additional evaluation under California environmental laws, CDFA’s approval of the environmental document would “foreclose the Department from reinstating the aerial releases to the LBAM Plan.” The court rejected a broader claim by a coalition of health and environmental organizations, which challenged CDFA’s failure to disclose or accurately describe all the harms […]

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20
Aug

Safer Options Available for Tackling West Nile Virus Mosquito Management

(Beyond Pesticides, August 20, 2012) Given the number of West Nile virus (WNv) cases, including 26 deaths, it is important to focus attention on mosquito management methods that are the most effective and do not introduce additional short- and long-term public health hazards with the use of toxic pesticides, public health advocates say. It is understandable that local, state, and federal officials want to act decisively, but that does not mean that the widespread use of hazardous pesticides is the best course of action, according to Beyond Pesticides, a national information and advocacy organization on pesticides and alternatives based in Washington, DC. According to Beyond Pesticides’ executive director, Jay Feldman, “Communities that are most successful and smart about mosquito control engage in aggressive efforts to reduce and eliminate mosquito breeding areas in standing water around homes and buildings and throughout the community.” Mosquito breeding can take place in stagnant water, from very small to larger pools —bottle caps, discarded automobile tires, planters, containers, rain gutters, drains, or under piles of leaves. The widespread spraying of toxic pesticides (typically chemicals known as synthetic pyrethroids, organophosphates, or other nervous system poisons) does not provide a long-term sustainable solution to mosquito control. “It […]

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09
Aug

Groups Urge EPA to Ban Dangerous Rat Poisons

(Beyond Pesticides, August 9, 2012) On Monday, Beyond Pesticides joined with 23 public health and environmental advocacy groups to send a letter to the U.S Environmental Protection Agency (EPA), urging it to follow through with its original plan to cancel the sale of most toxic rat poisons to residential consumers. In 2008, after over a decade of these products being on the market and widely available to consumers, EPA gave manufactures three years to comply with new risk mitigation requirements for rat poisons. However, the companies Reckitt Benckiser, Liphatech, and Spectrum Brands, producers of d-Con, Rid-a-Rat, and Hot Shot each decided to flout EPA requirements and ignore compliance with the regulations. The letter urges EPA to follow through with its ”˜Notice of Intent to Cancel’. It also instructs the agency to issue an order for emergency suspension of these products under FIFRA section 6(c), based on evidence of imminent hazard to human health and to wildlife. While the cancellation of these products will better safeguard the health of children, pets, and wildlife, EPA’s risk mitigation requirements do not go far enough to ensure protections for vulnerable populations. Children are particularly at risk for exposure because young children sometimes put bait […]

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27
Jul

Pesticides Detected in Long Island Sound Lobsters for the First Time

(Beyond Pesticides, July 27, 2012) A Connecticut state Department of Energy and Environmental Protection study has detected residues of mosquito control pesticides in lobsters pulled from Long Island Sound. Using new testing technology that can detect small concentrations of substances, ten lobsters were tested for three common mosquito control chemicals: malathion, methoprene, and resmethrin. Positive results were found in the organ tissue of one lobster for methoprene and three lobsters for resmethrin. The results present the first scientific evidence that pesticides may be affecting lobsters in the Sound and are likely to further anger the Connecticut lobstering industry which, for years, has been pointing to mosquito pesticides as a likely cause of a serious decline in the lobster population of the Sound, but has been met with resistance. Late summer declines in the Sound’s lobster population have been alarmingly common throughout much of the last decade, devastating fishers and the local economy that depends on them. A number of factors have been blamed, but the lobstering community has increasingly been pointing to mosquito pesticides for several reasons. Some, such as methoprene, have a tendency to sink to the bottom of the ocean water, where lobsters live and feed. Additionally, lobsters […]

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24
Jul

Large Aerial Mosquito Spraying in Massachusetts Lacks Permit and Adequate Monitoring

(Beyond Pesticides, July 24, 2012) This past weekend, the State of Massachusetts undertook what is thought to be its largest aerial spraying of pesticides covering nearly 400,000 acres and 21 communities. By using the pretext of a new emergency, the state improperly evaded Clean Water Act protections according to Public Employees for Environmental Responsibility (PEER). PEER has asked for a federal investigation. The massive spraying was triggered by the trapping of mammal-biting mosquitos which tested positive for Eastern Equine Encephalitis (EEE) on July 9th. On July 17th, the state Department of Public Health declared a pest emergency to justify aerial spraying over Bristol and Plymouth Counties through September 30, 2012. The spraying took place July 20th, 21st, and 22nd. Typically, aerial spraying of pesticides requires a federal pollution discharge permit but the permit may be dispensed with if the application is done “less than ten days after identification of the need for pest control” — a requirement violated in this case. In addition, PEER charges that the state knew it would conduct aerial spraying in this area for months and is inappropriately using an emergency declaration to avoid the need for a permit. The permit is not merely red tape, […]

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27
Jun

Tiny Crustaceans Enlisted to Fight Mosquitoes in New Jersey

(Beyond Pesticides, June 27, 2012) One county in New Jersey is getting serious about combating mosquitoes this season. Instead of relying on pesticide spraying, which has been shown to not be effective, the Cape May County Department of Mosquito Control is employing 10,000 tiny shrimp-like crustaceans that will eat their way through mosquito larvae in the county’s swamps, roadside ditches and small pools. The latest weapon in the battle against mosquitoes is barely visible. The crustaceans, known as copepods, are cousins to crayfish and water fleas, and do not get much bigger than two millimeters. They are voracious predators of mosquito larvae. New Jersey recently delivered 10,000 of the tiny shrimp-like crustaceans to Cape May County. They are already being used to fight mosquitoes in Bergen, Passaic, and Morris counties. Ocean County is next on the delivery list and six other counties will follow. “The days of driving a truck down the street and spraying pesticides are long gone. These copepods can pick up where fish leave off,” according to Administrator Robert Kent, of the state Office of Mosquito Control. Natural Predators as a Solution for Mosquito Control New Jersey has used mosquitofish, fathead minnows, killifish, bluegill and other fish […]

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14
Jun

Aerial Mosquito Spraying for West Nile Virus Criticized by Health and Environmental Advocates

(Beyond Pesticides, June 14, 2012) Across the U.S., some communities are responding to the threat of mosquito-transmitted West Nile virus (WNv) with aerial insecticide spray programs. This method of mosquito management is widely considered by experts to be both ineffective and harmful due to the hazards associated with widespread pesticide exposure. Given the lack of evidence that adulticides (insecticides that target adult mosquitoes) reduce or prevent mosquito-borne incidents or illnesses, public health and environmental advocates question the decision to resort to indiscriminate spraying. Studies have shown that aerial spraying for adult mosquitoes is greatly ineffective (as little as 1% of mosquitoes will be hit, according to Cornell University entomologist David Pimentel). Pesticides like those typically used in aerial sprayings against mosquitoes, including synthetic pyrethroids and organophosphates, have been linked to numerous adverse health effects including asthma and respiratory problems, dermatological reactions, endocrine disruption, chemical sensitivities, and cancer. These chemicals can also be harmful or fatal to non-target wildlife, including pollinators like the honeybee. Further, pesticides that kill mosquitoes also kill their predators, leading to fewer biological checks on mosquito populations than without spraying. Here are some of the areas currently, or soon to be spraying insecticides intended to kill adult […]

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13
Jun

Congressman Asks FDA to Halt Toxic Pesticide Lindane for Head Lice

(Beyond Pesticides, June 12, 2012) Congressman Edward J. Markey (D-Mass.), senior member of the Energy and Commerce Committee, has asked the U.S. the Food and Drug Administration (FDA) to halt the use of the insecticide lindane in pharmaceutical treatments for head lice in children. Despite research on its toxicity and ineffectiveness, FDA continues to allow lindane to be used in prescription shampoos and lotions to treat cases of lice and scabies, overwhelmingly on children. Rep. Markey’s letter to the FDA can be found here. Lindane has been found to cause skin irritation, seizures, and, in rare instances, even death. Infants and children are especially sensitive to the health risks posed by pesticides such as lindane because of their developing bodies. In 2005, the U.S. Department of Health and Human Services determined that lindane could cause cancer in humans, and the EPA cancelled all pesticide registrations for agricultural uses of lindane in 2006 because of its toxicity to humans and persistence in the environment. It was banned in California in 2000 because of high levels of water contamination. Following the ban, water contamination drastically declined, and an increase in head lice cases was not reported. A 2002 study that compared efficacy […]

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07
Jun

Yet Again, Researchers Prove Bed Bugs Resistant to Common Pesticides

(Beyond Pesticides, June 7th, 2012) A new study confirms several other recent study findings on the inability of commonly used pyrethroid based pesticide products to control bed bug infestations. The results reinforce the voices of concerned citizens and environmental groups calling for a wider adoption of proven, non-toxic methods to manage bed bugs and other household pest problems. The study, entitled “Ineffectiveness of Over-the-Counter Total-Release Foggers Against the Bed Bug,“ was published in the June issue of the Journal of Economic Entomology. Researchers from Ohio State University focused on the efficacy of three over-the-counter ”˜foggers,’ or ”˜bug bombs,’ including Hotshot Bedbug and Flea Fogger, Spectracide Bug Stop Indoor Fogger, and Eliminator Indoor Fogger. Results from the study reveal that bed bugs are not affected by direct exposure to the pyrethriods present in these products. Even long-term laboratory populations of bed bugs, known to be susceptible to pyrethroids, were unaffected by the pesticide when given a thin cloth as cover. This means that even if the current strain of bed bugs in the U.S. were not resistant to pyrethriods, the chemical still would not be an effective method of control because of bed bugs’ propensity to hide in small cracks and […]

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