A5076738268- Insect and Pesticide Research
- Plant and animal studies
- Insect and Arachnid Ecology and Behavior
- Insect-Plant Interactions and Control
- Insect Pest Control Strategies
- Agriculture and Rural Development Research
- Pesticide and Herbicide Environmental Studies
- Ecology and Vegetation Dynamics Studies
- Pesticide Exposure and Toxicity
- Agricultural Innovations and Practices
- Crop Yield and Soil Fertility
- Mollusks and Parasites Studies
- Advanced Computational Techniques and Applications
- Invertebrate Taxonomy and Ecology
- Bee Products Chemical Analysis
- Healthcare and Venom Research
- Agronomic Practices and Intercropping Systems
- Lepidoptera: Biology and Taxonomy
- Coastal wetland ecosystem dynamics
- Plant Taxonomy and Phylogenetics
- Agriculture and Biological Studies
- Cardiac Arrhythmias and Treatments
- Research Data Management Practices
- Rice Cultivation and Yield Improvement
- Insect Resistance and Genetics
Dickinson College
2019-2025
Pennsylvania State University
2010-2020
Saint Xavier University
2007
Johns Hopkins University
2000
Neonicotinoids are the most widely used class of insecticides worldwide, but patterns their use in U.S. poorly documented, constraining attempts to understand role pest management and potential nontarget effects. We synthesized publicly available data estimate interpret trends neonicotinoid since introduction 1994, with a special focus on seed treatments, major not captured by national pesticide-use survey. Neonicotinoid increased rapidly between 2003 2011, as seed-applied products were...
Summary Neonicotinoids are the most widely used insecticides world‐wide, but their fate in environment remains unclear, as does potential to influence non‐target species and roles they play agroecosystems. We investigated laboratory field studies of neonicotinoid thiamethoxam, applied a coating soya bean seeds, on interactions among beans, molluscan herbivores insect predators. In laboratory, pest slug Deroceras reticulatum was unaffected by transmitted toxin predaceous beetles ( Chlaenius...
The acute decline in global biodiversity includes not only the loss of rare species, but also rapid collapse common species across many different taxa. pollinating insects is particular concern because ecological and economic values these provide. western bumble bee ( Bombus occidentalis ) was once North America, this has become increasingly through much its range. To understand potential mechanisms driving declines, we used Bayesian occupancy models to investigate effects climate land cover...
Background —VDD pacing can enhance systolic function in patients with dilated cardiomyopathy and discoordinate contraction; however, identification of likely to benefit is unclear. We tested predictors responsiveness on the basis global parameters as well directly assessed mechanical dyssynchrony. Methods Results —Twenty-two DCM conduction delay were studied by cardiac catheterization a dual-sensor micromanometer measure LV aortic pressures during sinus rhythm free-wall pacing. Pacing...
Abstract Each year, millions of kilograms insecticides are applied to crops in the US. While insecticide use supports food, fuel, and fiber production, it can also threaten non-target organisms, a concern underscored by mounting evidence widespread decline pollinator populations. Here, we integrate several public datasets generate county-level annual estimates total ‘bee toxic load’ (honey bee lethal doses) for US between 1997–2012, calculated separately oral contact toxicity. To explore...
Background Seed-applied neonicotinoids are widely used in agriculture, yet their effects on non-target species remain incompletely understood. One important group of is arthropod natural enemies (predators and parasitoids), which contribute considerably to suppression crop pests. We hypothesized that seed-applied reduce natural-enemy abundance, but not as strongly alternative insecticide options such soil- foliar-applied pyrethroids. Furthermore we affect through a combination toxin exposure...
Wild bees, like many other taxa, are threatened by land-use and climate change, which, in turn, jeopardizes pollination of crops wild plants. Understanding how factors interact is critical to predicting managing pollinator populations ensuring adequate services, but most studies have evaluated either or effects, not both. Furthermore, bee species incredibly variable, spanning an array behavioral, physiological, life-history traits that can increase decrease resilience change. Thus, there...
Numerous declines have been documented across insect groups, and the potential consequences of losses are dire. Butterflies most surveyed taxa, yet analyses limited in geographic scale or rely on data from a single monitoring program. Using records 12.6 million individual butterflies >76,000 surveys 35 programs, we characterized overall species-specific butterfly abundance trends contiguous United States. Between 2000 2020, total fell by 22% 554 recorded species. Species-level were...
Abstract This article documents the addition of 229 microsatellite marker loci to Molecular Ecology Resources Database. Loci were developed for following species: Acacia auriculiformis × mangium hybrid , Alabama argillacea, Anoplopoma fimbria, Aplochiton zebra, Brevicoryne brassicae, Bruguiera gymnorhiza, Bucorvus leadbeateri, Delphacodes detecta, Tumidagena minuta, Dictyostelium giganteum, Echinogammarus berilloni, Epimedium sagittatum, Fraxinus excelsior, Labeo chrysophekadion,...
As acreage of row crops managed with conservation tillage increases, more growers are encountering slugs, elevating their importance as crop pests. Slugs can eat virtually all and they inflict most damage during establishment early growth in the spring fall. This tends to be severe under cool, wet conditions, which slow favor slug activity. These mollusks particularly troublesome within Chesapeake Bay watershed where is strongly encouraged minimize agricultural run-off into waterways that...
Core Ideas Recent educational offerings incompletely addressed neonicotinoid seed coatings. These insecticidal coatings are common on corn, soybean, and other crop seeds. Current use patterns violate core principles of integrated pest management. We present an overview these products, focusing some key limitations. Deploying neonicotinoids more judiciously will reduce their negative side effects. Educational materials guiding the pesticides often sponsored or co‐created by pesticide...
Abstract The pollination services provided by bees are essential for supporting natural and agricultural ecosystems. However, bee population declines have been documented across the world. Many of factors known to undermine health (e.g., poor nutrition) can decrease immunocompetence and, thereby, increase bees’ susceptibility diseases. Given myriad stressors that exacerbate disease in wild populations, assessments relative impact landscape habitat conditions on pathogen prevalence needed...
ABSTRACT Farmers, regulators, and researchers rely on pesticide use data to assess the effects of pesticides crop yield, farm economics, off-target organisms, human health. The publicly available in United States do not currently account for applied as seed treatments. We find that treatment has increased major field crops over last several decades but there is a high degree uncertainty about extent acreage planted with treated seeds, amount regional variability, certain active ingredients....
Abstract Wild and managed pollinators are essential to food production the function of natural ecosystems; however, their populations threatened by multiple stressors including pesticide use. Because pollinator species can travel hundreds thousands meters forage, recent research has stressed importance evaluating decline at landscape scale. However, scientists’ conservationists’ ability do this been limited a lack accessible data on use relevant spatial scales in toxicological units...
Abstract Wild and managed pollinators are essential to food production the function of natural ecosystems; however, their populations threatened by multiple stressors including pesticide use. Because pollinator species can travel hundreds thousands meters forage, recent research has stressed importance evaluating decline at landscape scale. However, scientists’ conservationists’ ability do this been limited a lack accessible data on use relevant spatial scales in toxicological units...
Abstract Each year, millions of kilograms insecticides are applied to crops in the US. While insecticide use supports food, fuel, and fiber production, it can also threaten non-target organisms, a concern underscored by mounting evidence widespread insect decline. Nevertheless, answers basic questions about spatiotemporal patterns remain elusive, due part inherent complexity use, exacerbated dispersed nature relevant data, divided between several government repositories. Here, we integrate...