(Beyond Pesticides, August 25, 2016) The County of Miami-Dade announced Tuesday that it will no longer conduct aerial sprayings on weekdays, to avoid exposing children and teachers. In an effort to control the spread of Zika, the county is consulting with the Centers for Disease Control and Prevention (CDC) and the Florida Department of Health (FDOH), to spray a neighborhood in the county, Wynwood, with Bacillus thuringiensis israelensis (Bti) and Naled. Mosquito officials were conducting the spraying during the early hours of the morning, when fewer people were around, the first day of the school year in Miami-Dade started this week, putting teachers and students at risk of exposure at bus stops. The county’s move is encouraging, because as research has continuously shown, children and pesticides don’t mix.  Studies show children’s developing organs create “early windows of great vulnerability” during which exposure to pesticides can cause great damage. Childhood pesticide exposure has been linked to a range of adverse health endpoints, including cancer, asthma, impaired sexual development, ADHD and other learning disabilities. “We have adjusted our spraying schedule to avoid any inconvenience to our local school system, and the children, families, and teachers in our community,” the office of Mayor […]

(Beyond Pesticides, August 5, 2016) Concerned health officials in Miami, Florida are investigating suspicions that Zika-spreading mosquitoes have become resistant to the pesticides commonly used synthetic pyrethroid insecticides used in mosquito control. As the region works to contain a Zika outbreak in northern Miami, officials are beginning to recognize that broadcast pesticide applications are not effective at controlling populations, and are looking into cases in the U.S.  and in other parts of the world of mosquitoes developing resistance to chemical controls, or whether other factors are at work. At the same, the broadcasting of the pesticides by truck and plane and the resulting exposure to people and the environment also raise serious health issues. The Aedes aegypti mosquito, which has the ability to live indoors and reproduce even in tiny pools of water, is the primary way the Zika virus is spread, although there are reports that the disease can also be transmitted through sexual contact. Zika virus has been linked to cases of microcephaly, in which babies are born with underdeveloped brains. The virus has been detected in several Latin American countries, including Brazil where the outbreak was first observed and linked to increased cases of microcephaly. However, locally […]

(Beyond Pesticides, July 27, 2016) In South America, Colombia has officially declared an end to its Zika epidemic. The country, which previously had the highest cases of suspected Zika virus infection after Brazil, with a total of more than 99,721 people infected since September 2015 have registered a drop in the number of infections to 600 new cases a week, down significantly from a peak of more than 6,000 cases a week in February, according to health officials. Fernando Ruíz, M.D., Deputy Minister of Health and Service Provision in Colombia, said the numbers signaled that the epidemic had given way to an endemic phase of the disease, in which it continues to be present but spreads much more slowly. This news arrives following the publication of Zika Virus Disease in Colombia —Preliminary Report, which suggests that infe ctions late in pregnancy may pose less risk to the fetus than widely feared. The report follows thousands of women in Colombia who have had symptoms consistent with Zika virus disease during pregnancy to try to better understand the risk the virus poses. At the time of the report, the country had only seven official cases of microcephaly, a birth defect marked by […]

(Beyond Pesticides, July 11, 2016) The Centers for Disease Control and Prevention (CDC) and the U.S. Environmental Protection Agency (EPA) announced last Wednesday, July 6 that Zika is spreading rapidly in Puerto Rico, and recommends aerial spraying of the toxic pesticide Naled for mosquito control, much to the dismay of many area farmers, activists and concerned citizens who feel that the decision was made without consultation or information provided to the local population. Aerial spraying of pesticides have long been used for mosquito control, but many experts believe that these methods fail to sufficiently manage mosquito populations, increase pesticide resistance, and kill other species that would have acted as a natural predator to mosquitoes. Many experts  agree that combating mosquito-borne diseases should include good surveillance and scientific understanding for controlling mosquito populations, including a focus on  eliminating or managing  breeding areas,  utilizing  biological controls, exclusion from indoor environments with screening, and repellents. An efficient mosquito management strategy emphasizes public awareness, prevention, and monitoring methods. However, if these methods are not used properly or in time, communities must determine if they should risk exposing vulnerable populations to potentially harmful diseases caused by mosquitoes or to chronic or deadly illnesses caused by […]

(Beyond Pesticides, May 27, 2016) Oxitec, a self-described pioneer in using advanced genetics to control target  insects, has petitioned the U.S. Food and Drug Administration (FDA) to grant emergency approval of genetically engineered (GE) mosquitoes to fight the spread of the Zika virus. Oxitec has proposed a trial to determine the efficacy of their self-limiting mosquitoes for the control of Aedes aegypti, a type of mosquito known to transmit the Zika virus, in Key Haven, Monroe County, Florida. However, some in the environmental community are concerned about the possible non-target effects of releasing these genetically modified mosquitoes into nature and urge additional research in the lab. The plan for a release of these GE mosquitoes has been in the works for a while. In February 2015, it was reported that the Florida Keys Mosquito Control District (FKMCD) was working alongside Oxitec to release these GE mosquitoes, but, at the time, the plan had not yet been finalized. A change.org petition against the release garnered over 146,000 signatures and continues to grow, with numbers around 168,000 to this date. In February 2016, Oxitec submitted a draft environmental assessment to FDA, and a month later, FDA published a preliminary finding of no […]

(Beyond Pesticides, May 19, 2016) Using fear without facts, Congress is yet again attempting to gut Clean Water Act (CWA) provisions that protect waterways and communities from excessive pesticide pollution. In a move that was blasted by House Democrats this week, HR 897  (which was introduced as the Reducing Regulatory Burdens Act of 2015) was renamed the  Zika Vector Control Act, despite the fact that the bill does not actually do anything to address the threat of Zika. The legislation was defeated Tuesday on a suspension vote, 262-159, however the bill will be going to the Rules Committee on Monday, with anticipated House floor activity on Tuesday, May 24. (Take action: urge your representative to oppose HR 897.) “In a brazenly political act, the Republican leadership is trying to mask gutting the Clean Water Act as having something to do with fighting Zika,” Drew Hammill, spokesman for House Minority Leader Nancy Pelosi (D-CA), said in a statement to The Hill. “This bill has nothing to do with Zika and everything to do with Republicans’ relentless special interest attacks on the Clean Water Act,” he said. “It will do nothing to stem the growing threat of the Zika virus.” The bill […]

(Beyond Pesticides, February 3, 2016) Speaking to The Guardian, a leading Kenyan entomologist warns that spraying pesticides will fail to deal with the Zika virus. Just recently the World Health Organization (WHO) declared the virus a public health emergency over growing concerns that the virus is linked with microcephaly. Aerial and ground applications of pesticides have long been used for mosquito control, but many believe that these methods fail to sufficiently control mosquito populations, promote resistance and kill other species that would have acted as a natural predator to mosquitoes. Dino Martins, PhD, a Kenyan entomologist in an interview with The Guardian said that while pesticides can reduce the population of  flying adult mosquitoes that transmit the virus, they will fail to deal with the epidemic that threatens to become a global pandemic, and warns that spraying landscapes is extremely dangerous.  “It is a quick fix but you pay for it. You kill other species that would have predated on the mosquitoes. You also create a mosaic of sprayed and unsprayed low densities of chemicals that fosters the rapid evolution of resistance.” Mosquitoes have very short life cycle (a week or less), increasing the probability that each succeeding generation is […]

(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, April 20, 2015) New details emerged last week after a Canadian volunteer group, Pesticide Free Alberta (PFA), received records from the City of Edmonton regarding ground and aerial application of Dursban 2.5, a restricted insecticide (in both Canada and the US), in close proximity to residential areas to kill off mosquito larvae. The coordinator of PFA, Sheryl McCumsey, fought for months for the data to be released. Health Canada does not recommend using Dursban in areas where children will be exposed, such as homes, parks, school grounds or playing fields, but the City of Edmonton justifies the use of the product by its label language, citing that it can be used in industrial areas. These areas often end up bordering residential neighborhoods and natural lands, such as parks. The active ingredient in Dursban is chlorpyrifos, a neurotoxic insecticide that has been linked to many detrimental health and environmental effects, such as endocrine disruption, reproductive and birth effects, toxicity to birds, bees and aquatic wildlife.In the US, the Environmental Protection Agency (EPA) and Dow AgroSciences restricted the sale and use of most home, lawn and garden product due to its health risks for children. However, it is still used […]

(Beyond Pesticides, February 3, 2015) Officials in the Florida Keys are seeking approval from the U.S. Food and Drug Administration (FDA) to release a wave of mosquitoes that have been genetically engineered to produce offspring whose larvae are unable to survive. The plan to introduce these mosquitoes has been met with intense skepticism by local residents. A change.org petition against the release has garnered over 146,000 signatures to date. Florida Keys Mosquito Control District (FKMCD) officials have been planning the release alongside British biotechnology company Oxitec, which has already conducted similar experiments with the genetically engineered (GE) mosquitoes in Brazil and the Cayman Islands. Websites for Oxitec and the FKMCD assert that the GE aedes aegypti mosquitoes will significantly lower the numbers of the disease spreading insects, and reduce the need to spray insecticides. Opponents counter that the introduction of the modified mosquitoes is unacceptably risky, as there has been little research on possible non-target effects of the novel insect, and current control methods and public education have been successful at controlling exotic diseases. Opportunity for public comment to FDA and the U.S. Centers for Disease Control and Prevention is likely to occur in the near future. Behind the Technology […]

(Beyond Pesticides, July 28, 2014) New research from Michael Skinner, Ph.D.’s laboratory out of Washington State University finds that —yet again”” exposure to pesticides may have devastating consequences for future generations. The study, “Pesticide Methoxychlor Promotes the Epigenetic Transgenerational Inheritance of Adult-Onset Disease through the Female Germline,” published in PLOS ONE, finds that gestating rats exposed to the pesticide methoxychlor develop a higher incidence of kidney disease, ovary disease and obesity in offspring spanning three generations. The incidence of multiple diseases increased in the third generation or “great-grandchildren.” This study suggests that ancestral exposures to methoxychlor over the past 50 years in North America may play a part in today’s increasing rates of obesity and disease. The epigenetic changes observed were specific to methoxychlor exposure and, according to researchers, may prove to be valuable biomarkers for future research on transgenerational disease. For people exposed to the pesticide, Dr. Skinner says his findings have implications such as reduced fertility, increased adult onset disease and the potential to pass on those conditions to subsequent generations. “What your great-grandmother was exposed to during pregnancy, like the pesticide methoxychlor, may promote a dramatic increase in your susceptibility to develop disease, and you will pass […]

(Beyond Pesticides, October 28, 2013) Scientists at Washington State University (WSU), in a laboratory study,  determined that exposure to the insecticide DDT ””banned in the U.S. since 1972, but still used today in developing countries for malaria abatement programs””impacts multiple generations, ultimately contributing to obesity three generations down the line. The study, published in the journal BMC Medicine, provides the scientific community with new information on multi-generational impacts of pesticide exposure. Lead researcher Michael Skinner, PhD., professor of biological sciences at WSU, and colleagues exposed pregnant rats to DDT to determine the long-term impacts to health across generations. The study, Ancestral dichlorodiphenyltrichloroethane (DDT) exposure promotes epigenetic transgenerational inheritance of obesity, finds that the first generation of rats’ offspring developed severe health problems, ranging from kidney disease, prostate disease, and ovary disease, to tumor development. Interestingly, by the third generation more than half of the rats have increased levels of weight gain and fat storage. In other words, the great grandchildren of the exposed rats are much more likely to be obese. “Therefore, your ancestors’ environmental exposures may influence your disease development even though you have never had a direct exposure,” the study finds. Previous studies have demonstrated that exposure to […]

(Beyond Pesticides, August 21, 2013) Suffolk County, New York, Legislator Jay Schneiderman (I-Montauk) introduced a bill on July 30, 2013 to establish strict guidelines for the use of methoprene within estuaries in Suffolk County.   Methoprene, an insect growth regulator, is commonly used in mosquito control programs, but is highly toxic to estuarine invertebrates, including crabs and lobsters, which are the backbone of the fishing industry along the East coast. This bill follows similar legislation already passed in Connecticut and Rhode Island to help protect lobster populations. The lobster population in the Long Island Sound has decreased dramatically over the last decade, corresponding with the introduction of pesticides such as methoprene in mosquito control programs. Methoprene  is an insect growth regulator that prevents development to the adult reproductive stages so that insects die in arrested immaturity. It is an insecticide that is acutely toxic to estuarine invertebrates, including valuable food and commercial species like crabs and lobsters.  The effect of mosquito pesticides on marine life, especially lobsters, has come under scrutiny in recent years as mosquito spray programs in various states escalated efforts to suppress West Nile virus (WNv). Other mosquito-killing chemicals suspected of causing damage to aquatic life include […]

(Beyond Pesticides, June 27, 2013) After years of lobster decline, a new law in Connecticut seeks to protect and revive the crustacean population by banning the use of toxic mosquito pesticides in coastal areas. With the support of Connecticut’s remaining lobsterman, Governor Dannel Malloy last Friday signed into law  House Bill 6441,  which bans two chemicals, methoprene and resmethrin. Declines in the   sound’s lobster population have been alarmingly common for the past 15 years, devastating fishermen and the local economy that depends on them. The pesticides have long been suspected in killing off the lobsters; however last summer, it was officially linked when those chemicals were detected in lobster tissue last summer. Connecticut legislators say that they were convinced that banning the two mosquito pesticides after learning that Rhode Island and Massachusetts had enacted similar bans with successful results. “The fisheries of Long Island Sound have been devastated by this lobster die-off, which has been terrible for our local economy and all the families that relied on this industry,” State Senator Bob Duff (D-Norwalk, Darien) said in a statement. “We should be doing everything we can to reverse the trend and bring the lobster population back to a healthy […]

(Beyond Pesticides, May 21, 2013) The Centers for Disease Control (CDC) recently concluded that 2012 was the deadliest year for West Nile Virus (WNv) in the United States. “A total of 5,674 cases of West Nile virus disease in people, including 286 deaths, were reported to CDC from 48 states (excluding Alaska and Hawaii),” said the CDC in a statement. While it is still too early to determine whether this year will be as bad as last year’s outbreak (experts say the largest disease outbreaks  is strongly driven by weather patterns characterized by hot wet summers), one thing is certain: There are simple mosquito control techniques that can be performed in your community and backyard that will prevent the spread of WNv and nuisance biting mosquitoes without the use of highly toxic pesticides. Beyond Pesticides fielded calls from concerned residents across the U.S. whose communities were doused with pesticides in attempts to control WNv. Yet, these controls have been shown to be ineffective at managing mosquito populations. According to David Pimentel, PhD, professor emeritus of entomology at Cornell University, less than .0001% of adulticides (mosquito insecticides) reach target adult mosquitoes. Dr. Pimentel notes, “Thus by both ground and aerial application […]

(Beyond Pesticides, February 26, 2013) The world’s most commonly used synthetic insect repellent is not  as effective as it once was, according to scientists at the London School of Hygiene and Tropical Medicine. While researchers found DEET to be an effective repellent after an initial application, subsequent rounds of testing mere hours later showed mosquitoes to be unaffected by its presence. The study, published in the journal PLOS One, underlines the need to develop safe, natural, effective alternative preventions to this hazardous chemical. To perform their experiment, researchers took the mosquito species Aedes aegypti, a carrier for dengue and yellow fever, and exposed it to a human arm covered in DEET. A few hours later they repeated the experiment, but this time the mosquitoes largely ignored the presence of the chemical. To find out what caused this to occur, researchers placed electrodes on the antennas of the insects. “We were able to record the response of the receptors on the antenna to DEET, and what we found was the mosquitoes were no longer as sensitive to the chemical, so they weren’t picking it up as well,”   co-author James Logan, PhD told the BBC.  “There is something about being exposed […]

(Beyond Pesticides, February 4, 2013) U.S. Senators Pat Roberts (R-KS) and Mike Johanns (R-NE) re-introduced legislation that would reduce the review requirements for pesticides applied directly to water. Similar legislation was passed in the House of Representatives in March 2011. The previous Senate version of the bill, called the Reducing Regulatory Burdens Act of 2011, passed through the Senate Agriculture Committee but never reached the Senate floor because of a hold placed on the legislation by Senators Barbra Boxer (D-CA) and Benjamin L. Cardin (D-MD). This re-introduced legislation would reduce pesticide testing by ensuring that Clean Water Act (CWA) permits are not required for the application of pesticides. In 2009, the 6th Circuit Court of Appeals ruled in the case of the National Cotton Council et al. v. EPA that pesticides discharged into water are pollutants and required to be permitted under the CWA’s National Pollutant Discharge Elimination System (NPDES). This ruling overturned Bush administration policy that exempted pesticides from regulation under the CWA and applied the less protective standards of the Federal Insecticide Fungicide and Rodenticide Act (FIFRA). CWA uses a health-based standard known as maximum contamination levels (MCLs) to protect waterways and requires permits when chemicals are directly […]

(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 […]

(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 […]

(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 […]

(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 […]

(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, […]

(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 […]