Article
Multidisciplinary Sciences
Bernadette M. Mach, William Long, Jaret C. Daniels, Adam G. Dale
Summary: Anthropogenic disturbance is causing global biodiversity loss, affecting the monarch butterfly which relies on milkweed. Planting ornamental milkweed in urban landscapes seems beneficial for the conservation of monarch butterflies. However, sap-feeding insect herbivores, such as the oleander aphid, can negatively impact monarch conservation efforts by reducing plant quality and triggering plant defenses.
Article
Multidisciplinary Sciences
Bernadette M. Mach, William Long, Jaret C. Daniels, Adam G. Dale
Summary: Anthropogenic disturbance is causing global biodiversity loss, including the specialized monarch butterfly. In response, ornamental milkweed plantings are becoming more common in urban landscapes and have been shown to have conservation value for monarch butterflies. However, sap-feeding insect herbivores, such as the oleander aphid, often reach high densities on these plants. Aphid-infested milkweed may hinder monarch conservation efforts by reducing host plant quality and inducing plant defenses.
Article
Ecology
Samantha M. Knight, D. T. Tyler Flockhart, Rachael Derbyshire, Mark G. Bosco, D. Ryan Norris
Summary: The study suggests that neonicotinoid insecticides may have negative effects on the egg-laying and larval survival of monarch butterflies. Milkweed near neonicotinoid-treated crops is more likely to be preferred by monarch butterflies. However, monarch butterflies do not actively select plots with fewer arthropods for oviposition.
JOURNAL OF ANIMAL ECOLOGY
(2021)
Article
Biodiversity Conservation
Matthew Z. Brym, Natasja van Gestel, Cassandra Henry, Brett J. Henry, Shannon P. Lukashow-Moore, Ronald J. Kendall
Summary: The monarch butterfly population has declined due to the loss of milkweed plants, prompting efforts to restore milkweed, particularly in areas like the Midwestern US. This study evaluated the feasibility of milkweed restoration in the Rolling Plains ecoregion of West Texas and found successful establishment and growth of milkweed colonies across the area. Factors such as plant age, species, and location were significant predictors of establishment and growth, highlighting the importance of regionally adapted milkweed restoration strategies.
JOURNAL FOR NATURE CONSERVATION
(2021)
Article
Ecology
Sydney M. Gilmour, Heather M. Kharouba
Summary: Climate change-induced phenological asynchrony between monarch butterflies and milkweed may not negatively affect larval performance, according to a field study in Canada.
ECOLOGY AND EVOLUTION
(2022)
Article
Biology
Delbert Green II
Summary: Studying monarch butterflies within the framework of movement ecology can help us understand and track their annual migration patterns. Advancements in tracking technology have led to smaller and more capable monitoring systems, allowing us to gain insights into monarch biology and ecology, as well as the broader field of insect movement ecology and its impact on human life.
CURRENT OPINION IN INSECT SCIENCE
(2023)
Article
Agriculture, Multidisciplinary
Amanda E. Martin, Greg W. Mitchell, Judith M. Girard, Lenore Fahrig
Summary: Research indicates that altering the landscape in agricultural regions, including reducing crop field sizes and increasing the cover of annual crops, can benefit milkweed populations. However, the effects of landscape-scale alterations on milkweed were found to be larger than those of within-field farming practices. Additionally, most variables had opposite effects on milkweed relative to other plants, suggesting that promoting milkweed abundance does not necessarily lead to an increase in overall weed cover.
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2021)
Article
Biochemistry & Molecular Biology
Domenic Dreisbach, Dhaka R. Bhandari, Anja Betz, Linda Tenbusch, Andreas Vilcinskas, Bernhard Spengler, Georg Petschenka
Summary: The mechanism of milkweed cardenolides sequestration in monarch butterflies and how related species cope with these toxins are still unknown. This study used mass spectrometry imaging to compare the distribution of cardenolides in caterpillars of monarch butterflies and common crow butterflies. The results showed that monarch butterflies can sequester cardenolides from milkweed, while no cardenolides were found in the tissues of common crow butterflies. The study also identified the transport and storage sites of cardenolides in monarch butterflies.
MOLECULAR ECOLOGY RESOURCES
(2023)
Article
Entomology
Cody Prouty, Paola Barriga, Andrew K. Davis, Vera Krischik, Sonia Altizer
Summary: Neonicotinoids are widely used insecticides in North America, with studies showing negative effects on bees. Monarch butterflies, known for their long-distance migrations, were found to be negatively impacted by neonicotinoids, with effects dependent on the milkweed species they feed on. Results suggest that monarchs can tolerate low neonicotinoid doses, but experience detrimental effects at higher doses, influenced by the type of milkweed host plant. This study highlights the potential role of host plant species in reducing insecticide residue and calls for further investigation.
Article
Biodiversity Conservation
Kelsey E. Fisher, Steven P. Bradbury
Summary: Integrating larval lepidopteran behavior into conservation plans can enhance the impact of conservation efforts. This study found that milkweed ramet abandonment behavior is seemingly innate and is not affected by intraspecific competition. It suggests maintaining small milkweed patches for larval development when there is sufficient plant biomass and no predation, parasitism, or interspecific competition.
JOURNAL OF INSECT CONSERVATION
(2022)
Article
Biology
Christen Steele, Isabella G. Ragonese, Ania A. Majewska
Summary: Since the 1960s, scientists have observed the winter breeding behavior of North American monarch butterflies, particularly in areas with non-native milkweed plants. Warmer climates and the presence of milkweed plants and suitable temperatures for immature monarch development are key factors contributing to this behavior. The implications of winter breeding differ in the eastern and western regions due to differences in migration ecology, milkweed species, and climate changes.
CURRENT OPINION IN INSECT SCIENCE
(2023)
Article
Multidisciplinary Sciences
Andrew K. Davis, Brenden Herkenhoff, Christina Vu, Paola A. Barriga, Mostafa Hassanalian
Summary: Studying the adaptations that enable flight in animals can provide insights into evolution, species divergence, and inspire advancements in aerospace engineering.
Article
Entomology
Misty Stevenson, Kalynn L. Hudman, Alyx Scott, Kelsey Contreras, Jeffrey G. Kopachena
Summary: The study revealed that first generation monarch survival was high in a complex arthropod community in north Texas, with survival being influenced by the presence of a greater number and variety of non-predatory arthropods on host plants. This suggests that monarch conservation efforts should focus on promoting diverse functional arthropod communities.
Article
Ecology
Anurag A. Agrawal, Amy P. Hastings, Christophe Duplais
Summary: This study found that monarch butterflies preferentially sequester compounds that are less toxic to themselves but still toxic to their enemies, reducing self-harm while maintaining protection from predators.
Article
Biology
Kelsey E. Fisher, Steven P. Bradbury
Summary: Population dynamics, persistence, and distribution are influenced by animal movement behavior and resource configuration. Understanding the movement behavior of monarch butterflies can help restore breeding habitats and increase population size. Empirical data can be incorporated into simulation models for larger-scale population responses.
CURRENT OPINION IN INSECT SCIENCE
(2023)
Article
Orthopedics
Andrew J. Sheean, Robert U. Hartzler, Patrick J. Denard, Alexandre Ladermann, Timothy G. Sanders, Michael B. Zlatkin, Stephen S. Burkhart
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2018)
Article
Orthopedics
Stephen S. Burkhart, Robert U. Hartzler
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2019)
Editorial Material
Orthopedics
Stephen S. Burkhart, Robert U. Hartzler
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2019)
Article
Sport Sciences
Robert U. Hartzler, Patrick J. Denard
OPERATIVE TECHNIQUES IN SPORTS MEDICINE
(2019)
Editorial Material
Orthopedics
Robert Hartzler
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2019)
Article
Orthopedics
Stephen M. Petis, Bernd Kubista, Robert U. Hartzler, Matthew P. Abdel, Daniel J. Berry
JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME
(2019)
Article
Orthopedics
Tadanao Funakoshi, Robert U. Hartzler, Eduardo Stewien, Stephen S. Burkhart
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2019)
Editorial Material
Orthopedics
Robert U. Hartzler
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2019)
Article
Orthopedics
Andrew J. Sheean, Robert U. Hartzler, Stephen S. Burkhart
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2019)
Article
Orthopedics
Robert U. Hartzler, Davorka Softic, Xiaofei Qin, Amy Dorfman, Christopher R. Adams, Stephen S. Burkhart
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2019)
Article
Orthopedics
Stephen S. Burkhart, Joel J. Pranckun, Robert U. Hartzler
ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
(2020)
Article
Orthopedics
Evan S. Lederman, Julie B. McLean, Kurt T. Bormann, Dan Guttmann, Kenneth D. Ortega, John W. Miles, Robert U. Hartzler, Amy L. Dorfman, Davorka Softic, Xiaofei Qin
Summary: This study analyzed histologic results from 8 patients who underwent reoperations after receiving SCR using ADMs, and found evidence of active recellularization, revascularization, and remodeling of the grafts. The level of graft remodeling correlated with implant duration, suggesting successful biologic reconstruction of the superior shoulder capsule with ADMs.
JOURNAL OF SHOULDER AND ELBOW SURGERY
(2021)
Article
Orthopedics
Robert U. Hartzler, Javier Ardebol, Patrick J. Denard
Summary: Acromial stress fracture is a common complication after reverse shoulder arthroplasty, which can cause pain and impingement. Surgical intervention may be necessary for patients with painful nonunion and displaced fragments, and arthroscopic excision can be considered as a treatment option.
ARTHROSCOPY TECHNIQUES
(2022)
Article
Orthopedics
Douglas Navasartian, Robert Hartzler, Thomas DeBerardino, Stephen Burkhart
ARTHROSCOPY TECHNIQUES
(2019)
Article
Agronomy
Talent Namatsheve, Remi Cardinael, Regis Chikowo, Marc Corbeels, Joyful Tatenda Rugare, Stanford Mabasa, Aude Ripoche
Summary: Weeds pose a significant threat to crop growth in low-input cropping systems in sub-Saharan Africa. The study found that planting sole cowpea can effectively reduce weed infestation, while having little impact on maize yield.
Article
Agronomy
Jens G. Froese, Justine V. Murray, Nicholas J. Beeton, Rieks D. van Klinken
Summary: This article introduces a generic Bayesian network model called PRReSTo, which estimates likely infestation rates of host items in consignments. PRReSTo takes into account the vulnerability of host items to pest infestation, the abundance of pests to which host items are exposed, and the effects of risk-reducing measures. PRReSTo can be used to evaluate the effectiveness and acceptability of risk reduction measures in different pest-host systems.
Article
Agronomy
Alexis Delaplace, Mathieu Coulis, Gwenaelle Cottin, Philippe Tixier
Summary: This study compares the effectiveness of two fallow trapping patterns and finds that internal trapping of fallow land can clean up plots twice as quickly as trapping surrounding the fallow land. Additionally, trapping efficiency is influenced by climatic conditions, with the wet season being more favorable for trapping than the dry season.
Article
Agronomy
Todd E. Shelly, Kevin R. Cloonan
Summary: Invasive tephritid fruit flies pose a significant threat to commercial fruit and vegetable production. Early detection is crucial, and male lures are an important component of trapping networks. This review aims to summarize data on the change in attractiveness of male lures during aging in the field, highlighting studies that relate trap captures to changes in residual content and release rate.
Article
Agronomy
M. F. Lombardo, S. Panebianco, A. Azzaro, G. Timpanaro, G. Polizzi, G. Cirvilleri
Summary: Colletotrichum and Alternaria species have become emerging fungal pathogens causing severe economic losses in citrus orchards in the Mediterranean area. The use of copper-based antimicrobials for disease management is increasingly problematic, and research for alternative formulations is encouraged. This study tested copper-alternative products on citrus orchards and found that they significantly reduced disease incidence and severity, often showing comparable or better efficacy than copper. The good efficacy of these products suggests their potential for sustainable and large-scale use in integrated and organic citriculture.
Article
Agronomy
Innocent L. Rakubu, Agil Katumanyane, Brett P. Hurley
Summary: This study investigated the host-foraging strategies of five EPN species in South Africa and found that four of them exhibited a positive response to the presence of the host and caused 100% mortality, while the other species had a lower infection rate.
Article
Agronomy
Yuli Dai, Lin Gan, Xiaofei Liu, Chengzhong Lan, Zhiqiang Li, Xiujuan Yang
Summary: This study reports the occurrence of leaf spot disease caused by Colletotrichum plurivorum on cowpea plants in Pingnan prefecture, Fujian Province, China. The pathogen was identified based on morphological features and gene sequencing. Pathogenicity tests confirmed that the isolates of C. plurivorum could infect healthy cowpea leaves and induce leaf spot symptoms.
Article
Agronomy
Wenqing Xu, Weikai Li
Summary: Crop pests and diseases have a significant impact on crop yield and food security. This paper proposes FRseNet, a model based on ResNet-50 and SENet, for recognizing various crop pests and diseases. Experimental results on a self-constructed dataset demonstrate the competitive performance of the model in recognizing 15 diseases and 21 medium insect pests.
Article
Agronomy
Hector Carcamo, Carolyn Herle, Timothy Schwinghamer, Samuel Robinson, Patty Reid, R. Keith Gabert, Tyler Wist, Breanne Tidemann, Alejandro C. Costamagna
Summary: This study updated the economic thresholds for Lygus spp., a major insect pest of canola in Canada, by integrating a large data set collected over 23 years. The results revealed that the economic injury level for Lygus was around 9-23 insects per 10 sweeps, while spraying a foliar insecticide was only necessary when Lygus catches exceeded 30 insects per 10 sweeps. Additionally, analysis of Precision Yield Data showed that at low abundances (under 17 insects per 10 sweeps), Lygus may potentially stimulate canola yield and do not require control action.
Article
Agronomy
Medetissi Adom, Ken O. Fening, Maxwell K. Billah, Pascal O. Aigbedion-Atalor, David D. Wilson
Summary: Chilli pepper is an important food and cash crop in Ghana, but its production and marketing are hindered by insect pests. This study evaluated the efficacy of five different biopesticides against major chilli pepper pests and found that Neemazal and Attack were more effective than the other three in controlling these pests.
Article
Agronomy
Fariba Ghaderi, Soraya Karami
Summary: This study identified Phytophthora species causing root and crown rot in the main sesame-producing regions of Iran. The most aggressive species was found to be P. nicotianae. Additionally, sesame cultivars with high resistance to P. nicotianae and P. megasperma were identified. This is the first report of P. megasperma infection in sesame worldwide.
Article
Agronomy
Caroline Izabel R. Sakuno, Fabricio Jose B. Francischini, Karen Missy A. Komada, Murilo Basso, Fangneng Huang
Summary: The giant borer, Telchin licus, is a significant pest of sugarcane in Central and South America, and traditional control methods are ineffective due to the larvae's hiding behavior. Recent research has shown that transgenic sugarcane expressing Bacillus thuringiensis proteins, originally developed to control another sugarcane pest, can also effectively control the giant borer.
Article
Agronomy
Lucas de Paulo Arcanjo, Poliana Silvestre Pereira, Juliana Lopes dos Santos, Kayo Heberth de Brito Reis, Allana Grecco Guedes, Damaris Rosa de Freitas, Mikaelison da Silva Lima, Mayara Cristina Lopes, Renato Almeida Sarmento, Marcelo Coutinho Picanco
Summary: This study developed a standardized sampling plan for scouting B. tabaci adults in tropical soybean fields and identified the appropriate sample unit and sampling technique. A total of 49 samples per field were required, and the sampling process lasted no more than 5 min per hectare with associated costs not exceeding US$ 0.74 per hectare.
Article
Agronomy
Vicente Bezerra Pontes Junior, Levi Andres Bonilla Rave, Adalin Moraes Cezar de Aguiar, Alessandro da Costa Lima, Ana Flavia Souza Laube, Leonardo D'Antonino, Antonio Alberto da Silva
Summary: This study aimed to investigate the influence of diuron's adsorption characteristics in soil on dose determination. The results showed that organic matter content was a key factor in determining diuron's sorption and toxicity to E. indica.
Article
Agronomy
Lu Xun, Emilio Gil
Summary: A novel methodology was proposed to analyze water-sensitive papers (WSPs) for evaluating spray quality. The segmentation of overlapping droplets based on concave point detection and ellipse fitting achieved high accuracy. A linear relationship between droplet density and coverage was observed, and simulated WSPs were generated for high coverage estimation. This approach allows for more accurate spray quality indicators from WSP collectors.