(Beyond Pesticides, February 4, 2022) In January, the U.S. Department of Agriculture (USDA) issued its 30th Pesticide Data Program (PDP) Annual Summary report (which evaluates each year the presence of pesticide residues on produce) and misleads the public on the safety of food and agricultural practices. This 2020 report concludes that more than 99% of the produce samples tested showed residues below established U.S. Environmental Protection Agency (EPA) benchmark levels. At first blush, this sounds very reassuring, but Beyond Pesticides maintains that there is (always) more to the “safety” story, not least of which are serious deficiencies in EPA’s establishment of those “tolerances.” Those flaws include a lack of risk assessment for vulnerable sub-populations, such as farmworkers, people with compromised health, children, and perhaps, cultural/ethnic and regional sub-groups of the general population, and a failure to fully assess serious health outcomes such as disruption of the endocrine system (which contributes to numerous serious diseases). For everyone, Beyond Pesticides recommends choosing organic produce whenever possible — the vast majority of which does not contain synthetic pesticide residues. The PDP report asserts that “the data . . . illustrate that residues found in agricultural products sampled are at levels that do not pose […]

(Beyond Pesticides, February 3, 2022) A study published in the journal Thorax finds lifetime occupational (work-related) exposure to pesticides increases incidents of chronic obstructive pulmonary disease (COPD), including emphysema and chronic bronchitis. Although research often attributes COPD risk to genetics or cigarette smoking, the increasing rate of COPD incidents indicates an external cause of disease development. Although an exact etiology (cause) of the increase in respiratory disease cases remains unknown, the connection between chronic respiratory diseases and exposure to pesticides continues to strengthen. Several circumstances, including smoking patterns, poverty, occupation, and diet, can influence disease prognosis. However, studies show that relative exposure to chemicals like pesticides can occur within each circumstance, making chemical exposure ubiquitous. Additionally, pesticide drift is an omnipresent issue impacting communities surrounding farming operations, and dust may harm humans, plants, and aquatic systems. Therefore, this review highlights the significance of evaluating the association between pesticide exposure and disease development, especially for diseases generally attributed to genetics or vices. Researchers in the study note, “[W]e found that cumulative exposure to pesticides is associated with an increased risk of COPD, with positive exposure-response trends. The unique large sample and the confirmation of our results in sensitivity analyses, in particular in never-smokers, support the validity […]

(Beyond Pesticides, January 11, 2022) A study finds that the pesticide sulfuryl fluoride, used for insect (i.e., termites, bedbugs, cockroaches, etc.) fumigation treatments, increases greenhouse gas (GHG) emissions, according to the report, “Termite Fumigation in California Is Fueling the Rise of a Rare Greenhouse Gas.” Not only do most sulfuryl fluoride emissions in the U.S. occur in California, but a majority of global emissions also occur in California. When the use of methyl bromide for agricultural and structural fumigation was phased-out under the Montreal Protocol, sulfuryl fluoride became a replacement for fumigation treatments. However, researchers have identified concentrations of sulfuryl fluoride in the atmosphere due to the chemical’s long half-life and greenhouse warming potential (GWP). The California Global Warming Solutions Act of 2006 does not list sulfuryl fluoride emissions as a GHG risk. Therefore, the researchers note, “This work emphasizes the importance of considering [sulfuryl fluoride] SO2F2 in state and national greenhouse gas inventories and emissions reduction strategies.” Researchers employed geostatistical inverse model (GIM)—commonly used to estimate GHG fluxes—alongside atmospheric measurements of sulfuryl fluoride to estimate emissions throughout the United States. Using programmable flask packages (PFPs), researchers examined atmospheric observational data from towers, observatories, and aircraft, measuring concentrations of sulfuryl fluoride via gas chromatography-mass […]

(Beyond Pesticides, January 6, 2022) Seeds treated with neonicotinoid insecticides contaminate honeydew, often the biggest source of food for pest predators, according to recent research published in the journal Environmental Pollution. Concerned advocates for pollinators and pesticide reform are likely familiar with fact that neonicotinoids are systemic, and once applied to a seed or sprayed on a plant are taken up by the plant and distributed throughout the pollen, nectar and dew drops that a plant produces. But there is another systemic effect that is not included in that picture, and in monoculture crops, it could be the biggest source of carbohydrates for beneficial pest predators – honeydew. Honeydew is produced from phloem-feeding (sap sucking) pests like aphids, whiteflies, leafhoppers, and other hemipteran insects. The waste that these insects produce is liquid, and full of sugars. “This rich carbohydrate source is a common food for many beneficial insects, including pollinators, such as bees and flies, and some natural enemies of pests, such as ants, wasps and beetles,” said John Tooker, PhD, coauthor of a recent literature review published in Biological Reviews. “Honeydew often is more abundant than nectar in agroecosystems.” In 2019, a study published in the Proceedings of the […]

(Beyond Pesticides, December 16, 2021) A study by Shanghai Jiao Tong University, China, finds Parkinson’s Disease (PD) risk increases with elevated levels of organochlorine (OCP) and organophosphate (OP) pesticides in blood. Among patients with PD, specific organochlorine compounds have greater associations with cognitive impairments, including depression and brain function. Research finds exposure to chemical toxicants, like pesticides, can cause neurotoxic effects or exacerbate preexisting chemical damage to the nervous system. Although the mechanism by which pesticides induce disease development remains unclear, researchers suggest changes in protein enzyme composition and cellular dysfunction from pesticide exposure interrupt normal brain function. Parkinson’s disease is the second most common neurodegenerative disease, with at least one million Americans living with PD and about 50,000 new diagnoses each year. The disease affects 50% more men than women, and individuals with PD have a variety of symptoms, including loss of muscle control and trembling, anxiety and depression, constipation and urinary difficulties, dementia, and sleep disturbances. Over time, symptoms intensify, but there is no current cure for this fatal disease. While only 10 to 15 percent of PD incidences are genetic, PD is quickly becoming the world’s fastest-growing brain disease. Therefore, research like this highlights the need to examine alternate […]

(Beyond Pesticides, December 15, 2021) Monsanto has pleaded guilty to multiple environmental crimes in Hawaiʻi for the second time in less than four years, and the island communities are left asking “when is enough enough?” In the most recent case, Monsanto will plead guilty to 30 environmental crimes in Hawaiʻi, related to pesticide use violations and putting field workers at risk.  In both cases, they admit that they knowingly violated pesticide law and put field workers in harmʻs way.  They will pay a $12 million fine this time, bringing their criminal fines and “community service payments” to a total of $22 million since 2019. At the center of these cases is the fact that the Monsanto field workers had to transport, apply, and suffer exposure to these toxic and banned pesticides as a part of their job. Autumn Ness, director of Beyond Pesticides’ Hawai’i organic land management program,  said: “In small island communities of Hawaiʻi, Monsanto workers are our friends and family. Folks live just downwind and next door to these fields.  We are concerned about their health, and those concerns are glaringly missing from news reports and in the distribution agreements for the community service payments.” There are two […]

(Beyond Pesticides, December 9, 2021) The cost to maintain crops using conventional pesticides outweighs the economic benefits from crop production and yield, according to a report, Pesticides ‘cost double the amount they yield,’ by the French-based organization Bureau for the Appraisal of Social Impacts for Citizen Information (BASIC). Moreover, the annual cost of increasing organic farms three-fold by 2030 is less than the cost of pesticides to society (i.e., adverse health and ecological effects from pesticide use and contamination). However, the price to pay from pesticide use encompasses much more than the products themselves. Researchers point to the need for government and health officials to consider the billion-dollar costs associated with adverse health effects from pesticide use, especially as studies confirm that pesticides cause cancer, Parkinson’s, and other diseases that are increasing. Thus, this report adds to the growing body of research demonstrating the unsustainability of conventional, chemical-intensive agricultural practices. The National Academy of Sciences identifies four goals of sustainable agriculture—productivity, economics, environment, and social well-being for future generations. However, current chemical pesticide use threatens sustainable agriculture. Although the primary concerns about pesticide usage centers on health and ecological concerns, including food security, this report provides an economic assessment that offers an […]

(Beyond Pesticides, December 2, 2021) A study published in Cellular Physiology and Biochemistry finds atrazine (ATR) exposure worsens lung disease outcomes in individuals with idiopathic (spontaneous) pulmonary fibrosis (IPF), a group of incurable lung diseases involving damaged/scarred lung tissue. Furthermore, chemotherapeutic products used to treat lymphoma (immune system cell cancer) like bleomycin can induce pulmonary fibrosis complications exacerbated by pesticide exposure. However, pesticide-related pulmonary fibrosis can have implications for neurological health, such as motor function. Scientific literature already finds an association between pesticide exposure and respiratory illnesses such as asthma, lung cancer, and chronic obstructive pulmonary disease (chronic bronchitis). Although IPF impacts over 5 million people a year globally, the disease is difficult to predict, which is concerning as the death rate is 50 to 56 percent within the first few years. Therefore, studies like this highlight the significance of evaluating how pesticide exposure impacts respiratory function, especially when exposure to respiratory toxicants increases vulnerability to existing respiratory-fixated illnesses like Covid-19. Advocate have urged the U.S. Environmental Protection (EPA) to incorporate scientific findings that these—where chemical exposures exacerbate an existing medical condition—into its pesticide registration review program. Researchers note, “[O]ur data represent an addition to the complex information on ATR-induced pulmonary toxicity. In particular, in this […]

  (Beyond Pesticides, November 24, 2021) On Thanksgiving, thank you for being a part of Beyond Pesticides and sharing and contributing to the vision necessary to protect the web and fragility of life. We believe that there is no time like Thanksgiving to think about how we can more effectively join together as families and communities across divisions and different points of view to find a common purpose in protecting the health of the environment and all that inhabit it. Unfortunately, there are a host of pesticides, genetically engineered materials, and others in conventional Thanksgiving foods that not only impact human health, but threaten the environment. With far too many adverse health and ecological effects associated with toxic chemicals, organic practices are viable solutions to mitigate pesticide contamination and subsequent exposure. Read on as we consider the range of challenges we must confront, and the solutions that can bring us all together. The Climate As climate impacts grow, an increase in uses of synthetic pesticides in agriculture is likely — because of waning efficacy (pesticide resistance) of these compounds, and mounting pest pressure (i.e., increasing insect population and metabolism). Production of pesticides contributes to greenhouse gas emissions gas (e.g., nitrous […]

(Beyond Pesticides, November 18, 2021) A study published by King George’s Medical University, India, finds exposure to xenobiotic substances like pesticides during pregnancy increases risks associated with preterm birth, including a rise in cesarean section (C-section) deliveries and a decrease in fetal body weight. Preterm births occur when a fetus is born early or before 37 weeks of complete gestation. Premature births can result in chronic (long-term) illnesses among infants from lack of proper organ development and even death. Birth and reproductive complications are increasingly common among individuals exposed to environmental toxicants, like pesticides. The Center for Disease Control (CDC) reports the preterm birth rate is increasing annually. Therefore, studies like this can help government and health officials safeguard human health by assessing adverse effects following prevalent chemical exposure. The study notes, “To the best of our knowledge, this was a pioneering study, and it may help to increase our knowledge with regard to xenobiotic exposure in biological systems and the need for stringent guidelines for agricultural use of pesticides.” The study examines the association between the transfer of xenobiotics (foreign synthetic substances like pesticides) from mother to fetus. Transferal of these toxic substances can result in biological and chemical changes (i.e., genotoxicity […]

(Beyond Pesticides, October 19, 2021) Exposure to the insecticide malathion increases risk of developing chronic kidney disease (CKD), according to a study recently published in the International Journal of Environmental Research and Public Health. According to study co-author Nicholas Osborne, PhD, CKD is on the rise in developing countries in Southeast Asia and Central America, and, “[n]early one in 10 people in high income countries show signs of CKD, which is permanent kidney damage and loss of renal function.” Although CKD risk increases with age, and is associated with other health factors like smoking, heart disease, and diabetes, cases without clear cause are increasingly common, indicating the that environmental factors are likely playing a role. Researchers began with data drawn from the United States’ National Health and Nutrition Examination Survey (NHANES), an ongoing study that assesses Americans’ health and nutritional status through interviews, physicals, and other health tests. Urine samples taken from individuals enrolled in NHANES 2001-2004 and 2007-2010 (tests within years between these dates did not analyze specific pesticides) were reviewed for the presence of pesticides, and compared against data collected on kidney function. In addition to malathion, 2,4-D, chlorpyrifos, and 3-PBA, the major metabolite for most synthetic pyrethroid insecticides, […]

(Beyond Pesticides, September 30, 2021) Individuals working or living in areas with frequent neurotoxic pesticide use experience more amyotrophic lateral sclerosis (ALS) incidences than the general population. The study, published in NeuroToxicology, finds a positive association between sporadic (non-genetic, spontaneous) ALS incidences among individuals exposed to neurotoxic pesticides.  Amyotrophic lateral sclerosis (or Lou Gehrig’s disease) is a neurodegenerative disease that affects the nerves in the brain and spinal cord. As many as 16,000 – 20,000 Americans live with this condition, which weakens muscle/motor function leading to loss of muscle control for walking, talking, eating/swallowing, and breathing. Severe ALS progression is fatal and has no current cure. Although research supports genetic factors play a role in disease etiology (cause), most ALS cases do not result from genetic inheritance. Several research studies demonstrate exposure to environmental or work-related toxicants (i.e., pesticides) predispose humans to the disease. With researchers predicting a global ALS incidence increase of 69% by 2040, identifying ALS’s causal factors are important to future research. Therefore, research like this showcases the importance of assessing aggregate health risks associated with toxic chemical exposure, especially for illnesses, which are not curable. In this study, the researchers note, “[W]e identified pesticides applied to crops in the area of […]

(Beyond Pesticides, September 16, 2021) A study published in Chemosphere finds persistent organic pollutants (POPs), including organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs), and polybrominated diphenyl ethers (PBDEs), are present in the serum and placenta of pregnant mothers, as well as multiple fetal organs. Many studies indicate prenatal and early-life exposure to environmental toxicants increases susceptibility to diseases, from learning and developmental disabilities to cancer. However, this study is one of the first to demonstrate the presence of chemical toxicants in fetal tissue that are not present in maternal serum or placental samples. Prenatal development is one of the most vulnerable periods of exposure when the fetus is most susceptible to the harmful effects of chemical contaminants. Therefore, studies like these help government and health officials better identify fetal exposure contaminants and subsequent health concerns otherwise missed by current chemical monitoring methods. The researchers note, “These findings call for further evaluation of the current matrices used to estimate fetal exposure and establish a possible correction factor for a more accurate assessment of exposure in utero. We disclose the full data set on individual exposure concentrations to assist in building in silico models for prediction of human fetal exposure to chemicals.” Several studies associate early-life exposure to toxic chemicals […]

(Beyond Pesticides, August 12, 2021) A recent study published in Chemosphere identifies the concentration, consequences, and potential sources of 22 organochlorine pesticides (OCPs) among corals in the South China Sea (SCS) for the first time. SCS corals exhibit a higher affinity toward bioaccumulation of OCPs, which are legacy persistent organic pollutants (POPs) under the Stockholm Convention—a global treaty to eliminate POPs. The study finds the distribution of OCPs in coral tissue matches that of the surrounding oceanic air samples. Hence, atmospheric concentrations of OCPs—influenced by continental air masses—migrate from the atmosphere to seawater through gas exchange. Coral reefs are one of the largest ecosystems in the ocean, sustaining marine biodiversity and providing many goods and services. However, living coral populations are rapidly declining due to ocean acidification, oceanic warming, habitat destruction, and pollution from human activity across the globe. From rare corals off the coast of Florida to well-established hard corals in the Great Barrier Reef, these communal organisms are sensitive to various environmental stressors that threaten biodiversity. Although several studies demonstrate the volatile, toxic nature of POPs, much less research evaluates the impact POPs have on biodiversity over time. The globe is currently going through the Holocene Extinction, Earth’s 6th mass extinction, with one million species of plants and […]

(Beyond Pesticides, August 5, 2021) A recent report by Turtle Rescue of the Hamptons finds Long Island, New York turtles are experiencing higher rates of deadly aural abscesses or ear blisters from pesticide use. Previous research documents the role chemical exposure from environmental toxicants play in inner ear abscess formation among turtles. However, synergism (collaboration) between viral infection and toxic chemical exposure increases aural abscess instances. Considering these infections are taking a toll on the Long Island turtle population, government and wildlife officials must assess how chemical exposure promotes disease development to safeguard human, animal, and environmental health. Karen Testa, executive director of Turtle Rescue of the Hamptons, cautions, “I’m urging Long Islanders to think about how these pesticides are negatively impacting the natural world. Is your perfect green lawn worth the life of a turtle?” Aural abscesses are painful ear blisters that can grow as big as a golf ball. Medical intervention is necessary to remove abscesses from turtles and treat them with an antibiotic regimen to prevent death. Turtle Rescue facility workers report a staggering 50 percent of turtles currently within their care to have aural abscesses. The percentage of turtles with this diagnosis is much higher than in past years. […]

(Beyond Pesticides, July 30, 2021) Bayer (Monsanto), the maker of the deadly herbicide glyphosate/Roundup, after hinting in May that it would end the weed killer’s residential uses in the U.S., made it official yesterday. With its announcement to shareholders, Bayer puts an end to residential uses beginning in 2023 and allocates $4.5 billion to cover “the company’s potential long-term exposure” from lawsuits by those harmed by the chemical. At the same time, the company announced it is seeking a U.S. Supreme Court hearing to reverse significant jury verdicts (from $289 million to $2 billion) for individuals who have suffered health damage they tie to glyphosate exposure. Bayer claims that it will argue that federal pesticide law preempts litigation against products that it has registered with the U.S. Environmental Protection (EPA). Similar arguments have been tried before, most notably in Bates v. Dow Agrosciences (2005), and the Supreme Court has found that federal pesticide law does not protect “manufacturers of poisonous substances.” (See more below.) Despite the extensive scientific review (see Pesticide Gateway) of glyphosate/Roundup and a “probable” cancer causing ranking by the World Health Organization/International Agency for Research on Cancer in 2015, Bayer says, “This move is being made exclusively […]

(Beyond Pesticides, July 21, 2021) Western states are in the midst of one of the largest spray campaigns in recent history, targeting native grasshopper species on more than two million acres of rangeland with highly toxic insecticides. Grasshopper populations have exploded this year due to the West’s ongoing drought, and government officials at the U.S. Department of Agriculture are hoping that hazardous pesticide use will stop the voracious winged insects from consuming forage used by cattle operations. Environmental groups are urging changes to the program, which has conducted insecticide campaigns against the native grasshoppers since the 1930s. “Aerial application of insecticides on this scale will eliminate millions of insects that pollinate, recycle plant nutrients and perform natural pest control,” said Sharon Selvaggio, Pesticide Program Specialist with the Xerces Society. “Insecticide sprays on this scale across native ecosystems are short-sighted and unsustainable.” According to a June 2020 press release, USDA’s Animal and Plant Health Inspection Service (APHIS) is spending $5.3 million dollars of taxpayer money in order to conduct what it calls “suppression treatments.” APHIS claims the $5.3 million will protect $8.7 million worth of agricultural resources, but advocates argue that the agency has failed to meet the “level of economic […]

(Beyond Pesticides, July 15, 2021) A study by ETH Zurich finds multi-crop (mixed culture) farmlands, which include a diverse array of crops, produce higher biomass and seed yields than single-crop (monocultures). Monocultures are most prevalent among arable farmland as commercial industrial farming uses this practice to increase sowing, managing, and harvesting efficiency for higher yields. However, less crop diversity leads to higher, more intensive pesticide use as pests favor the consistent food availability monocultures provide. An increase in toxic chemical use threatens human, animal, and environmental health, as well as food security. Ecological research already finds a positive association between plant diversity and biomass productivity in grasslands and meadows. In addition, a University of California, Santa Barbara study demonstrates that crop diversity in commercial agriculture is just as essential to supporting a stable biological system as plant diversity on non-commercial landscapes (i.e., grasslands/meadows). Therefore, this research highlights the need to develop policies that help farmers and global leaders make more knowledgeable decisions regarding crop diversity to sustain yield without toxic pesticides. The researchers note, “While crop diversification provides a sustainable measure of agricultural intensification, the use of currently available cultivars [(plant varieties for selective breeding)] may compromise larger gains in seed yield. We, therefore, advocate regional […]

(Beyond Pesticides, July 2, 2021) The second highest bee loss in 15 years has reported by the Bee Informed Partnership (BIP) in its 2020–2021 National Colony Loss and Management Survey, released on June 30. For the “winter” period of October 1, 2020 through April 1, 2021, approximately 32% of managed bee colonies in the U.S. were lost. This represents an increase of 9.6% over the prior year’s winter loss and is roughly 4% higher than the previous 14-year average rate of loss. For all of the past year (April 1, 2020 to April 1, 2021) the colony loss was 45.5%. Beyond Pesticides has covered the related issues of Colony Collapse Disorder (CCD), the ongoing and devastating impacts of pesticides on bees and other pollinators, and the larger context of what some have called the “insect apocalypse.” These recent BIP data appear to indicate that “we,” writ large, are failing to remedy these problems. Three out of four food crops globally depend on pollinators, at least in part. Commercially kept bees account for a significant portion of pollination of some U.S. crops; almonds are the leading crop, followed by apples and melons. The commercial bee business is huge — a $691 million […]

(Beyond Pesticides, June 25, 2021) A consequential report from the White House Environmental Justice Advisory Council (WHEJAC) sets out important and comprehensive recommendations that, if enacted, would put environmental justice on the front burner of national policy. The report spells out a multitude of challenges, and recommendations for addressing them, in service of advancing environmental justice (EJ) across federal agencies. Notably, the U.S. Environmental Protection Agency (EPA) is called out for, among other things, poor protection of farmworkers and their families, who tend to be people of color, from pesticide risks. The report arises from President Biden’s late January 2021 Executive Orders (covered by Beyond Pesticides here) on: (1) tackling the climate crisis with a “whole of government” approach, with an explicit focus on EJ, and (2) recalibrating the functions of the Office of Management and Budget (OMB) to “forward health, racial equity, and environmental stewardship.” That early 2021 Executive Order (EO) on climate established the WHEJAC and the Justice40 Initiative, the latter of which aims to direct 40% of some categories of federal investment to historically under-served communities. Those investments, as reported by AgriPulse, would promote “clean energy and energy efficiency; clean transit; affordable and sustainable housing; training and workforce […]

(Beyond Pesticides, June 22, 2021) Glyphosate herbicide use in forested areas persists in the environment for years and can prompt morphological changes in perennial flowers that reduce their fertility and may make them less attractive to pollinators. These findings were published this month in the journal Frontiers in Plant Science by researchers at the University of British Columbia, who hope that their work will inform safer approaches to forest management. “The more we learn the better, and research can always be used to better inform management,” said lead author Lisa Wood, PhD. “Herbicide practices may change, if the research shows that this is in the public’s best interest.” Glyphosate herbicides like Roundup and Visionmax (a Canada-registered glyphosate product produced by Bayer/Monsanto) are often applied aerially via helicopter on wide swaths of forest land known as cutblocks. Cutblocks, designated areas where coniferous trees are grown for harvest and processing, are doused with glyphosate in order to manage understory trees and shrubs that would compete with the conifers. Researchers set out to understand the nontarget impacts of this practice on the surrounding forest ecosystem. Wild prickly rose (Rosa acicularis) plants were collected from three different cutblocks, each sprayed with Visionmax according to […]

(Beyond Pesticides, June 17, 2021) Lead arsenate pesticides continue to contaminate Central Washington residential areas that were once tree fruit orchards. Although these toxic legacy pesticides have not been in use for almost 70 years, the Washington State Department of Ecology report finds lead and arsenic soil concentrations above the Washington State cleanup levels. It is well-known that traces of legacy (past-use) pesticides, like organochlorines, remain in the environment for decades—possibly centuries, post-final application. However, these chemicals have profound adverse impacts on human health, with links to cancer, reproductive and endocrine (hormone) disruption, and birth/developmental abnormalities. Current-use pesticides also contaminate the ecosystem via drift, runoff, and leaching. Therefore the impact of both current and past use of pesticides on human, animal, and environmental health, especially in combination, is critical to any safety analysis. The researchers note, “Historical application of lead arsenate (LA) pesticides on tree fruit orchards has resulted in the accumulation of lead and arsenic in shallow soil at concentrations above Washington State cleanup levels. These are levels that may be harmful to human health when properties are used for activities other than agricultural or industrial land uses. This report outlines a recommended approach for managing and mitigating LA pesticide soil contamination, […]

(Beyond Pesticides, June 16, 2021) Uncultivated field margins contain almost twice as many beneficial insects as cropped areas around farm fields, according to research published this week in the Journal of Insect Science. The study finds that these predators and parasitoids overwinter in diverse vegetation, and can provide farmers an important jump start on spring pest problems. “A benefit of understanding overwintering is that those arthropods that emerge in the spring may be more inclined to feed on pests when pest populations are low,” said Scott Clem, PhD, coauthor of the study. “And so, they may be more likely to nip pest populations in the bud before the pest problem becomes a big deal.” The study focused on five organic farms, as conventional chemically sprayed fields are not conducive to a thriving overwintering insect population. The farms, all located in the Midwest, each had 10 emergence tents set up both in the middle of the field and around field edges. Emergence tents capture insects that have spent their winter in soil and prevent predatory insects from escaping scientific analysis. After the tents were set up in mid-March 2018, samples were taken in late March, mid-April, and at the end of […]