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Articles 1 - 19 of 19
Full-Text Articles in Life Sciences
Mitochondrial Dna Diversity, Parasite And Pathogen Occurrence, And A Potential Disease Vector In Managed And Unmanaged Honey Bee, Apis Mellifera L. Populations, Dylan Cleary
Graduate Theses and Dissertations
The western honey bee, Apis mellifera L., is a globally important pollinator plagued by several harmful stressors impacting colony health and survival. At least eight A. mellifera subspecies were imported and continue to be the genetic ancestors of U.S. honey bee populations today. Successive genetic bottle-neck events have led to reduced genetic diversity in U.S. honey bees. First, the subset of subspecies imported into the U.S. represents only a third of A. mellifera subspecies. Next, the parasitic varroa mite reduced managed and feral populations. Third, ongoing breeding practices have selected for traits from a single genetic lineage and bred from …
Spillover, Dilution, And Coinfection: Understanding The Spread Of Disease Within Managed And Native Bee Communities., Phillip A. Burnham
Spillover, Dilution, And Coinfection: Understanding The Spread Of Disease Within Managed And Native Bee Communities., Phillip A. Burnham
Graduate College Dissertations and Theses
Maintaining healthy pollinator communities is vital both for ensuring food securityand ecological diversity. However, managed honeybees and wild bee communities are under threat from an array of stressors including habitat loss, global change, pesticide use, poor beekeeping, and various pests and pathogens. Pathogens have been shown to be spilling over from managed bees into wild bee populations and are known to adversely affect colony function as well as increase mortality. Understanding transmission mechanisms related to general dynamics in this system will not only benefit pollinator health, but also gives us insight into important and understudied topics in disease ecology. In …
Northern Giant Hornet (Vespa Mandarinia) And Yellow-Legged Hornet (Vespa Velutina), Potential Pests Of Honey Bees, Benjamin Andrew Powell
Northern Giant Hornet (Vespa Mandarinia) And Yellow-Legged Hornet (Vespa Velutina), Potential Pests Of Honey Bees, Benjamin Andrew Powell
Agricultural Education
Exotic hornets present a significant threat to apiculture. Recent introductions of the yellow-legged hornet to Europe and the asian giant hornet to North America have made it critical that regulators, beekeepers and the general public be able to detect and identify these exotic hornets and to understand their biology to minimize the potential impacts to apiculture in South Carolina were they to be introduced.
How To Engage Public Support To Protect Overlooked Species, Scarlett R. Howard, Adrian G. Dyer
How To Engage Public Support To Protect Overlooked Species, Scarlett R. Howard, Adrian G. Dyer
Animal Sentience
Treves et al. (2019) propose a non-anthropocentric approach to conservation biology for the ‘just preservation’ of non-humans. Some of our current ways of ranking conservation efforts based on benefits to humans are indeed critically flawed, but we doubt that a completely non-anthropocentric approach is possible at this time. We propose a way to generate public support for those non-human species that may otherwise be overlooked in policy-making and conservation efforts.
The Effect Of Neonicotinoids On Apis Mellifera: A Revisit, Qingchen Liang
The Effect Of Neonicotinoids On Apis Mellifera: A Revisit, Qingchen Liang
Master's Theses and Doctoral Dissertations
Colony collapse disorder (CCD), which has caused high colony mortality rates in the European honeybee (Apis mellifera), is a pressing economical and ecological problem. I revisited Woodcock et al.'s (2017a) paper, "Country-specic Effects of Neonicotinoid Pesticides on Honey Bees and Wild Bees", in light of unsound statistical methods used in the original study. In the first part of this paper, I attempted to replicate the analysis underlying key findings in the original paper. In the second part, I reanalyzed the data using mostly non-parametric methods in order to obtain robust results. I did not find any evidence for a harmful …
Molecular Detection And Phylogenetic Analysis Of The Honeybee (Apis Mellifera) Sacbrood Virus In Turkey, Gülnur Kalayci, Abdurrahman Anil Çağirgan, Kemal Pekmez, Buket Özkan, Murat Kaplan
Molecular Detection And Phylogenetic Analysis Of The Honeybee (Apis Mellifera) Sacbrood Virus In Turkey, Gülnur Kalayci, Abdurrahman Anil Çağirgan, Kemal Pekmez, Buket Özkan, Murat Kaplan
Turkish Journal of Veterinary & Animal Sciences
Sacbrood virus (SBV) is widely distributed in honeybees. It is an infectious and contagious disease, which affects both the larvae and adult stages of honeybees (Apis mellifera). This study reports the detection of sacbrood virus in Turkey in 2017. Phylogenetic analysis based on partial sequences encoding the polyprotein gene was carried out in SBV-infected bees from four different apiaries. Phylogenetic analysis revealed noteworthy results. Although European-South American, Asian, and Korean genotypes have a maximum of 5.3% variance with each other, the variation rates between them and the Turkish genotype were 10.4%, 11.4%, and 12.5%, respectively. Sequences of Turkish isolates did …
T Socio-Ecology Of Managed Honeybees (Apis Mellifera) In The Louisville Metro Area., Haileigh M. Arnold
T Socio-Ecology Of Managed Honeybees (Apis Mellifera) In The Louisville Metro Area., Haileigh M. Arnold
Electronic Theses and Dissertations
Humans have a long history of the practice of beekeeping to harness the power of pollination. This managed pollinator system consists of beekeepers, honeybees, and their environment. However, recent disease, pesticide use, and land use factors honeybee threaten this relationship. In the face of such concerns it is important to examine the factors that impact and can help sustain our managed pollinator systems. In this thesis, the national and Kentucky state-level policies that affect managed pollinator systems were examined and socio-ecological factors that may contribute to honeybee hive growth and losses were assessed along an urban development gradient in Louisville, …
Honey Bee Gut Microbiome Is Altered By In-Hive Pesticide Exposures, Madhavi L. Kakumanu, Alison M. Reeves, Troy D. Anderson, Richard R. Rodrigues, Mark A. Williams
Honey Bee Gut Microbiome Is Altered By In-Hive Pesticide Exposures, Madhavi L. Kakumanu, Alison M. Reeves, Troy D. Anderson, Richard R. Rodrigues, Mark A. Williams
Department of Entomology: Faculty Publications
Honey bees (Apismellifera) are the primary pollinators of major horticultural crops. Over the last few decades, a substantial decline in honey bees and their colonies have been reported. While a plethora of factors could contribute to the putative decline, pathogens, and pesticides are common concerns that draw attention. In addition to potential direct effects on honey bees, indirect pesticide effects could include alteration of essential gut microbial communities and symbionts that are important to honey bee health (e.g.,immunesystem). The primary objective of this study was to determine the microbiome associated with honey bees exposed to commonly used in-hive …
Review Of Following The Wild Bees: The Craft And Science Of Bee Hunting By Thomas D. Seeley, Katrina Klett
Review Of Following The Wild Bees: The Craft And Science Of Bee Hunting By Thomas D. Seeley, Katrina Klett
The Prairie Naturalist
Since the media’s coverage of the sudden losses of worker bee populations in many honeybee colonies during the winter of 2006-07 (a phenomenon that was later termed the Colony Collapse Disorder or CCD), there have been increasingly high levels of popular interest in bees and beekeeping in the United States. While a number of books have followed this wave of interest, Following the Wild Bees: The Craft and Science of Bee Hunting by Thomas Seeley is a fundamentally unique contribution to popular honeybee literature. The focus of the book is not on the current synergy of effects that are leading …
The Effects Of Honeybee (Apis Mellifera) Antimicrobial Peptides On Paenibacillus Larvae, Jasmin Camille Khilnani
The Effects Of Honeybee (Apis Mellifera) Antimicrobial Peptides On Paenibacillus Larvae, Jasmin Camille Khilnani
UNLV Theses, Dissertations, Professional Papers, and Capstones
American Foulbrood Disease (AFB) is the most detrimental bacterial disease that affects honeybee larvae (Apis mellifera) worldwide. The etiological agent of AFB is the Gram-positive, spore-forming bacterial pathogen, Paenibacillus larvae. Treatment with antibiotics, specifically oxytetracycline, has led to the development of antibiotic resistance in P. larvae. Therefore, there is a pressing need for an alternative treatment method. The overall goal of this project was to test naturally occurring, active antimicrobial peptides (AMPs), which are produced in the adult honeybee, against vegetative P. larvae. These active AMPs could potentially be used as a prophylactic treatment to prevent P. larvae infection of …
Establishing The Dance Floor: Frame Manipulation Experiments, Peter D. Suich
Establishing The Dance Floor: Frame Manipulation Experiments, Peter D. Suich
Undergraduate Honors Theses
Past studies of honey bee populations, in both natural and laboratory settings have allowed researchers to elucidate the dance language of honey bees within the hive. While the intent and meaning of the waggle dance is thoroughly understood, the area within the hive on which the bees dance is poorly understood. Several factors that may contribute to waggle dancing were studied: substrate, scent and hive entrance proximity. Two separate honey bee colonies were placed in three-frame observation hives. After establishing the dance floor, new experimental conditions were introduced by changing the position of the frames and watching for three days …
The Buzz On Bees, Rebecca Ruiz
The Buzz On Bees, Rebecca Ruiz
Lewis Honors College Capstone Collection
Apis mellifera, more commonly known as the honeybee, plays a pivotal role in the ecosystem and in the survival of the planet. Many do not understand, nor realize, that the honeybee offers a wide array of products and services besides sweet honey. Honeybees have become endangered at a time when their presence is vital and evidence indicates that they can be the means to a more sustainable future for our planet. Particularly focused on in this research are the ideas of honeybees’ essential presence in medical advances, their participation in global economics, and their involvement in the development of …
The First Record Of Pseudoscorpions In Honeybee Hives In Turkey, Ahmet Onur Gi̇ri̇şgi̇n, Oya Gi̇ri̇şgi̇n, Mark Harvey
The First Record Of Pseudoscorpions In Honeybee Hives In Turkey, Ahmet Onur Gi̇ri̇şgi̇n, Oya Gi̇ri̇şgi̇n, Mark Harvey
Turkish Journal of Veterinary & Animal Sciences
Three pseudoscorpions identified as Neobisium validum were found in a honeybee hive in Bursa Province of Turkey. They were collected from the bottom of the hive but no relationship between the pseudoscorpions and bees was observed. This case is a first report of pseudoscorpions in a honeybee hive from Turkey.
Varroacidal Efficacies Of Essential Oils Extracted From Lavandula Officinalis, Foeniculum Vulgare, And Laurus Nobilis In Naturally Infested Honeybee (Apis Mellifera L.) Colonies, Fi̇gen Kütükoğlu, Ahmet Onur Gi̇ri̇şgi̇n, Levent Aydin
Varroacidal Efficacies Of Essential Oils Extracted From Lavandula Officinalis, Foeniculum Vulgare, And Laurus Nobilis In Naturally Infested Honeybee (Apis Mellifera L.) Colonies, Fi̇gen Kütükoğlu, Ahmet Onur Gi̇ri̇şgi̇n, Levent Aydin
Turkish Journal of Veterinary & Animal Sciences
This study was performed to determine the efficacies of Lavandula officinalis, Foeniculum vulgare, and Laurus nobilis essential oils on the control of Varroa destructor (Acari: Varroidae), the most common parasite of honeybees (Apis mellifera L.). Experimental colonies from the province of Bursa, Turkey, were divided into 5 homogeneous groups of 8 hives each. The 3 essential oils plus thymol (Thymovar®, an essential oil-based drug with known efficacy that was used for comparison) were applied to 1 group each and 1 group was left untreated as a control. Each group was treated during 3 seasons, 2 consecutive autumns and 1 spring. …
Use Of Oxalic Acid To Control Varroa Destructor In Honeybee (Apis Mellifera L.) Colonies, Ethem Akyol, Hali̇l Yeni̇nar
Use Of Oxalic Acid To Control Varroa Destructor In Honeybee (Apis Mellifera L.) Colonies, Ethem Akyol, Hali̇l Yeni̇nar
Turkish Journal of Veterinary & Animal Sciences
This study was carried out to determine the effects of oxalic acid (OA) on reducing Varroa mite (Varroa destructor) populations in honeybee (Apis mellifera L.) colonies in the fall. Twenty honeybee colonies, in wooden Langstroth hives, were used in this experiment. Average Varroa infestation levels (%) of the OA and control groups were 25.87% and 24.57% on adult workers before the treatments. The OA treatments were applied twice, on 3 November and 13 November 2006. Average Varroa infestation levels were 5.24% and 31.43% after the first application and 2.87% and 41.74% after the second application in the OA and control …
Morphometric And Electrophoretic Variation In Different Honeybee (Apis Mellifera L.) Populations, İrfan Kandemi̇r, Meral Kence, Aykut Kence
Morphometric And Electrophoretic Variation In Different Honeybee (Apis Mellifera L.) Populations, İrfan Kandemi̇r, Meral Kence, Aykut Kence
Turkish Journal of Veterinary & Animal Sciences
Honeybee colonies from Turkey, Naxcivan (Azerbaijan) and Austria were studied for morphometric and electrophoretic variation and for comparison among different subspecies. Out of six enzyme systems, four were found to be polymorphic with 14 allozymes. Discriminant function analysis of 10 morphometric variables resulted in a total of four groups. Cluster analysis of electrophoretic data showed a similar type of groupings. Among the four polymorphic loci, Mdh-1 showed the highest and Est-3 the lowest differentiation among populations.
Mechanisms Of Thermal Stability During Flight In The Honeybee Apis Mellifera, Stephen P. Roberts, Jon F. Harrison
Mechanisms Of Thermal Stability During Flight In The Honeybee Apis Mellifera, Stephen P. Roberts, Jon F. Harrison
Biological Sciences Faculty Research & Creative Works
Thermoregulation of the Thorax Allows Honeybees (Apis Mellifera) to Maintain the Flight Muscle Temperatures Necessary to Meet the Power Requirements for Flight and to Remain Active Outside the Hive Across a Wide Range of Air Temperatures (T(A)). to Determine the Heat-Exchange Pathways through Which Flying Honeybees Achieve Thermal Stability, We Measured Body Temperatures and Rates of Carbon Dioxide Production and Water Vapor Loss between T(A) Values of 21 and 45°C for Honeybees Flying in a Respirometry Chamber. Body Temperatures Were Not Significantly Affected by Continuous Flight Duration in the Respirometer, indicating that Flying Bees Were at Thermal Equilibrium. Thorax Temperatures …
Foraging Preferences Of The Introduced Honeybee In Winter Flowering Banksia Woodland : Implications For The Management Of Flora And Fauna Of Conservation Areas, Simon Lawrence Judd
Foraging Preferences Of The Introduced Honeybee In Winter Flowering Banksia Woodland : Implications For The Management Of Flora And Fauna Of Conservation Areas, Simon Lawrence Judd
Theses : Honours
The Honeybee (Apis mellifcra) is arguably Australia's most abundant feral animal, and relatively little is known about its interactions with the Australian biota. A lack of such information makes it difficult for the managers of nature conservation areas to decide whether beekeeping is appropriate and whether attempts should be made to control feral bees. This study made observations of feral honeybees and native pollinating invertebrates for one hundred and twelve hours, at fifteen sites in Banksia woodland, between July 27 and September 10, 1995. Flowering and preflowering invertebrate assemblages of Leucopogon polymorphus, an epacrid shrub which provided …
Management Of Honeybee Colonies For Pollination In Cages, William P. Nye
Management Of Honeybee Colonies For Pollination In Cages, William P. Nye
All PIRU Publications
The use of bees for pollination is extending in various directions, and each extension brings with it new problems to be solved. Infields and orchards, the main problem may be to get the bees to visit all the flowers. In a small plot, this can be ensured by enclosing the plot and a hive of bees in a cage, but special steps are then needed to ensure the well-being of the bees. In this article Mr. Nye, who is on the staff of the Entomology Research Division of the United States Department of Agriculture, describes the colony management necessary. The …