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  • Modeling Honey Bee Populations - Home - PLOS

    2015-7-6 · Eusocial honey bee populations (Apis mellifera) employ an age stratification organization of egg, larvae, pupae, hive bees and foraging bees. Understanding the recent decline in honey bee colonies hinges on understanding the factors that impact each of these different age castes. We first perform an analysis of steady state bee populations given mortality rates within each bee caste and find ...

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  • (PDF) Modeling Honey Bee Populations - ResearchGate

    2015-7-6 · Modeling Honey Bee Populations. Torres DJ 1, Ricoy UM 2, Roybal S 2. Author information. Affiliations. 1 author ... Plos one, 06 Jul 2015, 10(7): ... Eusocial honey bee populations (Apis mellifera) employ an age stratification organization of egg, larvae, pupae, hive bees and foraging bees. Understanding the recent decline in honey bee colonies ...

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  • Modeling Honey Bee Populations. - Abstract - Europe

    adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

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  • Modeling Honey Bee Populations - NASA/ADS

    Eusocial honey bee populations (Apis mellifera) employ an age stratification organization of egg, larvae, pupae, hive bees and foraging bees.Understanding the recent decline in honey bee colonies hinges on understanding the factors that impact each of these different age castes.

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  • Modeling Honey Bee Populations - Europe PMC

    2014-3-26 · Honey bees (Apis mellifera) are increasingly in demand as pollinators for various key agricultural food crops, but globally honey bee populations are in decline, and honey bee colony failure rates have increased. This scenario highlights a need to understand the conditions in which colonies flourish and in which colonies fail.

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  • Modelling Food and Population Dynamics in Honey Bee

    2013-5-7 · Honey bees (Apis mellifera) are increasingly in demand as pollinators for various key agricultural food crops, but globally honey bee populations are in decline, and honey bee colony failure rates have increased. This scenario highlights a need to understand the conditions in which colonies flourish and in which colonies fail. To aid this investigation we present a compartment model of bee ...

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  • Modelling Food and Population Dynamics in Honey

    2019-11-22 · The decline in colony populations of the honey bee, known as the Colony Collapse Disorder (CCD), is a global concern. Numerous studies have reported possible causes, including pesticides, parasites, and nutritional stress. Poor nutrition affects the immune system at both the individual and colony level, amplifying effects of other stress factors. Pollen is the only source of ten amino acids ...

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  • A mathematical model of honey bee colony ... - Home

    2010-6-15 · Introduction. Human association with the Western honey bee (Apis mellifera L.) spans at least 7,000 years .At present, this species is largely domesticated and is not only used to produce hive products, such as honey, wax and royal jelly, but is the primary species used for the pollination of agricultural crops globally . A. mellifera initially evolved in Africa and then, in at least two ...

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  • Ecological Adaptation of Diverse Honey Bee ... - Home

    2014-10-16 · Introduction. The widespread collapse of honey bee colonies has been the subject of much discussion and research in recent years –.Aside from their ecological importance , honey bee populations have a large economical impact on agriculture in North America, Europe, the Middle East, and Japan –.. The focus of research has been largely on environmental factors outside the hive, such as ...

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  • A historical review of managed honey bee

    2010-1-1 · 1.. Introduction – the value of honey beesThe European honey bee, Apis mellifera L., is the most commonly managed bee in the world. A highly adaptable species, it has a native range that stretched from the southern parts of Scandinavia to Central Asia and throughout Africa (Seeley, 1985, Ruttner, 1988, Sheppard and Meixner, 2003).Since the 1600s, however, A. mellifera’s range has …

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  • Factors restraining the population growth of Varroa ...

    The investigation of honey bee diseases after colony losses in Hatay and Adana provinces of Turkey. Mellifera. 2010;10(20):24–31. 10. Higes M, Martín-hernández R, Martínez-salvador A, Garrido-bailón E, González-porto AV, Meana A, et al. A preliminary study of the epidemiological factors related to honey bee colony loss in Spain.

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  • Special Issue: Honey Bee Research in the US: Current

    2019-1-9 · 3. Environmental Stressors of Honey Bee Colonies. The increased toxicity and persistence of agrochemicals in the environment have been identified as one of the most interactive stressors affecting honey bee colonies [].Evidence for sublethal effects after pesticide exposure at the individual and colony level has been found for a number of key biological traits such as foraging behavior [11,12 ...

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  • PeerJ

    2021-6-1 · Advisors and Academic Editors at PeerJ are experienced researchers who are experts in their respective fields. As a general rule, Academic Editors must be at Principal Investigator level or above and have published 25 or more peer-reviewed journal articles.

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  • A novel non-invasive radar to monitor honey bee

    2020-3-1 · United States’ managed honey bee populations suffered 40.1% loss between the survey period of 2008–2018 (vanEngelsdorp et al., 2009, Jacques et al., 2017, Bruckner et al., 2018), while other countries such as the UK show more drastic colony losses, losing approximately 54% of commercial honey bee populations since 2010 (Potts et al., 2010).

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  • Amitraz: Red Flags Or Red Herrings? - Scientific

    Khoury DS, Myerscough MR, Barron AB: A quantitative model of honey bee colony population dynamics. PLoS One 2011, 6(4):e18491. [70] Khoury DS, Barron AB, Myerscough MR (2013) Modelling food and population dynamics in honey bee colonies. PLoS ONE 8(5): e59084.

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  • Effects of Pesticide Treatments on Nutrient Levels in ...

    2016-3-1 · 1. Introduction. Honey bees play a key role in the pollination of agricultural crops [1,2], and the recent decline of honey bee populations is thought to pose a threat to the availability of certain foods.Within the last decade, beekeepers in both the U.S. and Europe have experienced a significant increase in colony losses [].For the last seven years, U.S. winter losses have averaged 30% [].

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  • Frontiers | Peer Reviewed Articles - Open Access

    Open-access publisher of peer-reviewed scientific articles across the entire spectrum of academia. Research network for academics to stay up-to-date with the latest scientific publications, events, jobs, video lectures, blogs and news.

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  • Understanding Colony Buildup and Decline: Part 9b -

    2018-7-25 · Scofield HN, Mattila HR (2015) Honey bee workers that are pollen stressed as larvae become poor foragers and waggle dancers as adults. PLoS ONE 10(4): e0121731. doi:10.1371/journal. pone.0121731. Karsai,I and T Schmickl (2011). Regulation of task partitioning by a “common stomach”: a model of nest construction in social wasps.

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  • Insulin-like peptides (AmILP1 and AmILP2)

    The food a honey bee female larva receives determines whether she develops into a large long-lived fertile queen or a short-lived sterile worker. Through well-established nutrient-sensing and growth-promoting functions in metazoans, the insulin/insulin-like growth factor 1 signaling (IIS) pathway has become a focal topic in investigations on how differences in food environment can be ...

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  • Publications — Department of Plant Pathology and ...

    PLoS One, Laraba, Imane, McCormick, Susan P., Vaughan, Martha M., Geiser, David M., ... Distribution of recently identified bee-infecting viruses in managed honey bee (Apis mellifera) populations in the USA Apidologie, Ray, Allyson M ... Modeling yield losses and fungicide profitability for managing Fusarium head blight in Brazilian spring ...

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  • Alice Pinto - esa.ipb.pt

    2020-11-3 · A genetic survey of honey bee populations from the Azores revealed a heterogeneous composition and a rapid human-mediated evolutionary change. cE3c 5th Annual Meeting, 1 …

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  • Factors restraining the population growth of Varroa ...

    The investigation of honey bee diseases after colony losses in Hatay and Adana provinces of Turkey. Mellifera. 2010;10(20):24–31. 10. Higes M, Martín-hernández R, Martínez-salvador A, Garrido-bailón E, González-porto AV, Meana A, et al. A preliminary study of the epidemiological factors related to honey bee colony loss in Spain.

    Get Price
  • Dillon lab -- Home

    2014-10-10 · They use our load-lifting methodology (Dillon and Dudley, 2004) to estimate how much an individual honey bee can lift, then extrapolate to suggest the feat is impossible (of course, there are a number of behavioral and aerodynamic reasons why the myth should be busted as well--but it makes for good TV!) October 2010

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  • PeerJ

    2021-6-1 · Advisors and Academic Editors at PeerJ are experienced researchers who are experts in their respective fields. As a general rule, Academic Editors must be at Principal Investigator level or above and have published 25 or more peer-reviewed journal articles.

    Get Price
  • Frontiers | Peer Reviewed Articles - Open Access

    Open-access publisher of peer-reviewed scientific articles across the entire spectrum of academia. Research network for academics to stay up-to-date with the latest scientific publications, events, jobs, video lectures, blogs and news.

    Get Price
  • Contemporary pollen flow as a multiscale process:

    2018-4-12 · Focal populations where seeds were collected for paternity analysis are indicated by squares and labelled by name. Leaves were collected from all populations, and the fill of each circle indicates the sampling effort; all flowering individuals were sampled in Black populations, and only a subset of 30–40 individuals in White populations.

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  • Free Access to Scientific Journals - Open Access Journals

    Open Access journals are the major source of knowledge for young and aspiring generations who are keen in pursuing a career in sciences. This system provides easy access to networks of scientific journals.Authors that contribute their scholarly works to Open Access journals gain remarkable reputation as the research scholarly explore these works extensively.

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  • (PDF) Vanbergen IPI FEE | Nigel Raine, Edward Feil, M ...

    RNA viruses in Mullin CA, Frazier M, Frazier JL, et al. 2010. High levels of miti- hymenopteran pollinators: evidence of inter-taxa virus trans- cides and agrochemicals in North American apiaries: implica- mission via pollen and potential impact on non-Apis tions for honey bee health. PLoS ONE 5: e9754.

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  • Potential Environmental and Ecological Effects of

    Climate change has been scientifically documented, and its effects on wildlife have been prognosticated. We sought to predict the overall impact of climate change on venomous terrestrial species. We hypothesize that given the close relationship between terrestrial venomous species and climate, a changing global environment may result in increased species migration, geographical redistribution ...

    Get Price
  • Publications — Department of Plant Pathology and ...

    PLoS One, Laraba, Imane, McCormick, Susan P., Vaughan, Martha M., Geiser, David M., ... Distribution of recently identified bee-infecting viruses in managed honey bee (Apis mellifera) populations in the USA Apidologie, Ray, Allyson M ... Modeling yield losses and fungicide profitability for managing Fusarium head blight in Brazilian spring ...

    Get Price
  • Cristina Rosa – Research output — Penn State

    Distribution of recently identified bee-infecting viruses in managed honey bee (Apis mellifera) populations in the USA Ray, A. M., Lopez, D. L., Iturralde Martinez ... Agriculture (Switzerland). 9, 1, 23. Research output: Contribution to journal › Review article › peer-review. ... Modeling …

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  • Publications | Entomology

    2021-5-26 · Worker and royal jellies harbor differential naturally occurring RNA populations. Jelly RNAs corresponded to honey bee protein-coding genes, transposable elements, and non-coding RNA, as well as bacteria, fungi, and viruses. These results reveal an inherent property of honey bees to share RNA among individuals and generations.

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  • Dillon lab -- Home

    2014-10-10 · They use our load-lifting methodology (Dillon and Dudley, 2004) to estimate how much an individual honey bee can lift, then extrapolate to suggest the feat is impossible (of course, there are a number of behavioral and aerodynamic reasons why the myth should be busted as well--but it makes for good TV!) October 2010

    Get Price
  • Promoting Data Collection in Pollinator Citizen

    2020-1-20 · If the floral visitor was a bee, in the second and third steps the trainee would then identify the bee to five morphological groups (honey bee, bumble bee, other large bee, green bee, and small bee) and take a photograph of the bee and the plant (flower, leaf, and leaf attachment to the stem) from which the bee was collecting resources.

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  • Publications - Home - TissueGnostics

    2021-6-1 · TissueGnostics is the expert in microscope automation, image analysis, cell analysis, tissue analysis and blood analysis and automated digital cell morphology. Our list of products ranges from microscopy workstations to stand alone software for image analysis, cell analysis, tissue analysis and systems that can identify and pre-classify white blood cells for the hematology field.

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  • Anna R Dornhaus | UA Profiles

    2021-5-11 · Abstract: A honey bee colony (Apis mellifera Linnaeus) frequently adjusts its nectar foraging effort to changes in foraging conditions. It is possible that workers use a volatile substance, e.g. a pheromone, to quickly activate foragers in all regions of the hive.

    Get Price
  • Investigating the Integration of Small Hive ... - UFDC

    2020-7-11 · First, the species has been found in pollen traps on bee colonies (Leonard 1983) Second, it is attracted to fungi produced volatiles, (Pierce et al. 1991) and fungi are present in honey bee colonies (Gilliam and Vandenberg 1997) Specifically, O. surinamensis is attracted to 3 methyl 1butanol (Pierce et al. 1991, Collins et al. 2008) which is a ...

    Get Price
  • Habitat and landscape factors influence pollinators in

    2018-7-20 · Supplemental Information 2: Graphs showing the significant main effects and significant interactions for each of the four focal pollinator groups (Tetragonula stingless bees, Apis honey bees, Xylocopa carpenter bees, and butterflies) examined in this study. Supplemental Figure S2a. Two main factors (patch size and floral abundance) had significant positive effects on the abundance (number of ...

    Get Price
  • (PDF) Vanbergen IPI FEE | Mark Greco - Academia.edu

    Multiple coinfections over time and space, interacting in complex, non-linear ways, are likely the root cause of pathogeninduced honey bee losses. Many pests and pathogens also spread within and between populations of wild and managed bee species, and perhaps other pollinating insects as well Cameron et al. 2011;Core et al. 2012).

    Get Price
  • Promoting Data Collection in Pollinator Citizen

    2020-1-20 · If the floral visitor was a bee, in the second and third steps the trainee would then identify the bee to five morphological groups (honey bee, bumble bee, other large bee, green bee, and small bee) and take a photograph of the bee and the plant (flower, leaf, and leaf attachment to the stem) from which the bee was collecting resources.

    Get Price
  • Dillon lab -- Home

    2014-10-10 · They use our load-lifting methodology (Dillon and Dudley, 2004) to estimate how much an individual honey bee can lift, then extrapolate to suggest the feat is impossible (of course, there are a number of behavioral and aerodynamic reasons why the myth should be busted as well--but it makes for good TV!) October 2010

    Get Price
  • Enhancing Cropping System Sustainability Through

    2021-4-30 · However, honey bee populations have suffered in recent years due to colony collapse disorder, which in part has resulted from a lack of agricultural diversity. Echium is a new oilseed crop that grows well in the upper Midwest and is rich source of stearidonic acid, an oil that has great value in the cosmetic industry.

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  • Publications - Home - TissueGnostics

    2021-6-1 · TissueGnostics is the expert in microscope automation, image analysis, cell analysis, tissue analysis and blood analysis and automated digital cell morphology. Our list of products ranges from microscopy workstations to stand alone software for image analysis, cell analysis, tissue analysis and systems that can identify and pre-classify white blood cells for the hematology field.

    Get Price
  • Investigating the Integration of Small Hive ... - UFDC

    2020-7-11 · First, the species has been found in pollen traps on bee colonies (Leonard 1983) Second, it is attracted to fungi produced volatiles, (Pierce et al. 1991) and fungi are present in honey bee colonies (Gilliam and Vandenberg 1997) Specifically, O. surinamensis is attracted to 3 methyl 1butanol (Pierce et al. 1991, Collins et al. 2008) which is a ...

    Get Price
  • Anna R Dornhaus | UA Profiles

    2021-5-11 · Abstract: A honey bee colony (Apis mellifera Linnaeus) frequently adjusts its nectar foraging effort to changes in foraging conditions. It is possible that workers use a volatile substance, e.g. a pheromone, to quickly activate foragers in all regions of the hive.

    Get Price
  • Seascape genomics reveals population isolation in the

    Under the threat of climate change populations can disperse, acclimatise or evolve in order to avoid fitness loss. In light of this, it is important to understand neutral gene flow patterns as a measure of dispersal potential, but also adaptive genetic variation as a measure of evolutionary potential. In order to assess genetic variation and how this relates to environment in the honeycomb ...

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  • Habitat and landscape factors influence pollinators in

    2018-7-20 · Supplemental Information 2: Graphs showing the significant main effects and significant interactions for each of the four focal pollinator groups (Tetragonula stingless bees, Apis honey bees, Xylocopa carpenter bees, and butterflies) examined in this study. Supplemental Figure S2a. Two main factors (patch size and floral abundance) had significant positive effects on the abundance (number of ...

    Get Price
  • (PDF) Vanbergen IPI FEE | Mark Greco - Academia.edu

    Multiple coinfections over time and space, interacting in complex, non-linear ways, are likely the root cause of pathogeninduced honey bee losses. Many pests and pathogens also spread within and between populations of wild and managed bee species, and perhaps other pollinating insects as well Cameron et al. 2011;Core et al. 2012).

    Get Price
  • Potential Environmental and Ecological Effects of

    Climate change has been scientifically documented, and its effects on wildlife have been prognosticated. We sought to predict the overall impact of climate change on venomous terrestrial species. We hypothesize that given the close relationship between terrestrial venomous species and climate, a changing global environment may result in increased species migration, geographical redistribution ...

    Get Price