keyword
MENU ▼
Read by QxMD icon Read
search

Bumble bee

keyword
https://www.readbyqxmd.com/read/28591213/flight-of-the-bumble-bee-buzzes-predict-pollination-services
#1
Nicole E Miller-Struttmann, David Heise, Johannes Schul, Jennifer C Geib, Candace Galen
Multiple interacting factors drive recent declines in wild and managed bees, threatening their pollination services. Widespread and intensive monitoring could lead to more effective management of wild and managed bees. However, tracking their dynamic populations is costly. We tested the effectiveness of an inexpensive, noninvasive and passive acoustic survey technique for monitoring bumble bee behavior and pollination services. First, we assessed the relationship between the first harmonic of the flight buzz (characteristic frequency) and pollinator functional traits that influence pollination success using flight cage experiments and a literature search...
2017: PloS One
https://www.readbyqxmd.com/read/28573023/big-city-bombus-using-natural-history-and-land-use-history-to-find-significant-environmental-drivers-in-bumble-bee-declines-in-urban-development
#2
Paul Glaum, Maria-Carolina Simao, Chatura Vaidya, Gordon Fitch, Benjamin Iulinao
Native bee populations are critical sources of pollination. Unfortunately, native bees are declining in abundance and diversity. Much of this decline comes from human land-use change. While the effects of large-scale agriculture on native bees are relatively well understood, the effects of urban development are less clear. Understanding urbanity's effect on native bees requires consideration of specific characteristics of both particular bee species and their urban landscape. We surveyed bumble-bee (Bombus spp...
May 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28533203/floral-traits-influencing-plant-attractiveness-to-three-bee-species-consequences-for-plant-reproductive-success
#3
Austin A Bauer, Murray K Clayton, Johanne Brunet
PREMISE OF THE STUDY: The ability to attract pollinators is crucial to plants that rely on insects for pollination. We contrasted the roles of floral display size and flower color in attracting three bee species and determined the relationships between plant attractiveness (number of pollinator visits) and seed set for each bee species. METHODS: We recorded pollinator visits to plants, measured plant traits, and quantified plant reproductive success. A zero-inflated Poisson regression model indicated plant traits associated with pollinator attraction...
May 21, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28515876/population-genomics-reveals-a-candidate-gene-involved-in-bumble-bee-pigmentation
#4
Meaghan L Pimsler, Jason M Jackson, Jeffrey D Lozier
Variation in bumble bee color patterns is well-documented within and between species. Identifying the genetic mechanisms underlying such variation may be useful in revealing evolutionary forces shaping rapid phenotypic diversification. The widespread North American species Bombus bifarius exhibits regional variation in abdominal color forms, ranging from red-banded to black-banded phenotypes and including geographically and phenotypically intermediate forms. Identifying genomic regions linked to this variation has been complicated by strong, near species level, genome-wide differentiation between red- and black-banded forms...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28509436/pollinators-shift-to-nectar-robbers-when-florivory-occurs-with-effects-on-reproductive-success-in-iris-bulleyana-iridaceae
#5
Zhong-Ming Ye, Xiao-Fang Jin, Qing-Feng Wang, Chun-Feng Yang, David W Inouye
Studies have indicated that florivory and nectar robbing may reduce reproductive success of host plants. However, whether and how these effects might interact when plants are attacked by both florivores and nectar robbers simultaneously still need further investigation. We used Iris bulleyana to detect the interactions among florivory, nectar robbing, and pollination, and moreover, their effects on plant reproductive success. Field investigations and hand pollination treatments were conducted on two experimental plots from a natural population, in which Experimental plot was protected from florivores and Control plot was unmanipulated...
May 16, 2017: Plant Biology
https://www.readbyqxmd.com/read/28503378/pollen-extracts-and-constituent-sugars-increase-growth-of-a-trypanosomatid-parasite-of-bumble-bees
#6
Evan C Palmer-Young, Lucy Thursfield
Phytochemicals produced by plants, including at flowers, function in protection against plant diseases, and have a long history of use against trypanosomatid infection. Floral nectar and pollen, the sole food sources for many species of insect pollinators, contain phytochemicals that have been shown to reduce trypanosomatid infection in bumble and honey bees when fed as isolated compounds. Nectar and pollen, however, consist of phytochemical mixtures, which can have greater antimicrobial activity than do single compounds...
2017: PeerJ
https://www.readbyqxmd.com/read/28471531/bees-visiting-unopened-flowers-bumbling-burglars-or-sneaky-pollinators
#7
Manu E Saunders
No abstract text is available yet for this article.
May 4, 2017: Ecology
https://www.readbyqxmd.com/read/28435856/dynamic-microbiome-evolution-in-social-bees
#8
Waldan K Kwong, Luis A Medina, Hauke Koch, Kong-Wah Sing, Eunice Jia Yu Soh, John S Ascher, Rodolfo Jaffé, Nancy A Moran
The highly social (eusocial) corbiculate bees, comprising the honey bees, bumble bees, and stingless bees, are ubiquitous insect pollinators that fulfill critical roles in ecosystem services and human agriculture. Here, we conduct wide sampling across the phylogeny of these corbiculate bees and reveal a dynamic evolutionary history behind their microbiota, marked by multiple gains and losses of gut associates, the presence of generalist as well as host-specific strains, and patterns of diversification driven, in part, by host ecology (for example, colony size)...
March 2017: Science Advances
https://www.readbyqxmd.com/read/28405304/reduced-abundance-and-earlier-collection-of-bumble-bee-workers-under-intensive-cultivation-of-a-mass-flowering-prairie-crop
#9
Paul Galpern, Sarah A Johnson, Jennifer L Retzlaff, Danielle Chang, John Swann
One of the most commonly seeded crops in Canada is canola, a cultivar of oilseed rape (Brassica napus). As a mass-flowering crop grown intensively throughout the Canadian Prairies, canola has the potential to influence pollinator success across tens of thousands of square kilometers of cropland. Bumble bees (Bombus sp.) are efficient pollinators of many types of native and crop plants. We measured the influence of this mass-flowering crop on the abundance and phenology of bumble bees, and on another species of social bee (a sweat bee; Halictus rubicundus), by continuously deploying traps at different levels of canola cultivation intensity, spanning the start and end of canola bloom...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28392285/replication-of-honey-bee-associated-rna-viruses-across-multiple-bee-species-in-apple-orchards-of-georgia-germany-and-kyrgyzstan
#10
Rita Radzevičiūtė, Panagiotis Theodorou, Martin Husemann, George Japoshvili, Giorgi Kirkitadze, Aigul Zhusupbaeva, Robert J Paxton
The essential ecosystem service of pollination is provided largely by insects, which are considered threatened by diverse biotic and abiotic global change pressures. RNA viruses are one such pressure, and have risen in prominence as a major threat for honey bees (Apis mellifera) and global apiculture, as well as a risk factor for other bee species through pathogen spill-over between managed honey bees and sympatric wild pollinator communities. Yet despite their potential role in global bee decline, the prevalence of honey bee-associated RNA viruses in wild bees is poorly known from both geographic and taxonomic perspectives...
April 6, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28356567/fast-learning-in-free-foraging-bumble-bees-is-negatively-correlated-with-lifetime-resource-collection
#11
Lisa J Evans, Karen E Smith, Nigel E Raine
Despite widespread interest in the potential adaptive value of individual differences in cognition, few studies have attempted to address the question of how variation in learning and memory impacts their performance in natural environments. Using a novel split-colony experimental design we evaluated visual learning performance of foraging naïve bumble bees (Bombus terrestris) in an ecologically relevant associative learning task under controlled laboratory conditions, before monitoring the lifetime foraging performance of the same individual bees in the field...
March 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28334127/managed-bumble-bees-bombus-impatiens-hymenoptera-apidae-caged-with-blueberry-bushes-at-high-density-did-not-increase-fruit-set-or-fruit-weight-compared-to-open-pollination
#12
J W Campbell, J O'Brien, J H Irvin, C B Kimmel, J C Daniels, J D Ellis
Highbush blueberry (Vaccinium corymbosum L.) is an important crop grown throughout Florida. Currently, most blueberry growers use honey bees (Apis mellifera L.) to provide pollination services for highbush blueberries even though bumble bees (Bombus spp.) have been shown to be more efficient at pollinating blueberries on a per bee basis. In general, contribution of bumble bees to the pollination of commercial highbush blueberries in Florida is unknown. Herein, we determined if managed bumble bees could contribute to highbush blueberry pollination...
April 1, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28331597/pollinator-population-size-and-pollination-ecosystem-service-responses-to-enhancing-floral-and-nesting-resources
#13
Johanna Häussler, Ullrika Sahlin, Charlotte Baey, Henrik G Smith, Yann Clough
Modeling pollination ecosystem services requires a spatially explicit, process-based approach because they depend on both the behavioral responses of pollinators to the amount and spatial arrangement of habitat and on the within- and between-season dynamics of pollinator populations in response to land use. We describe a novel pollinator model predicting flower visitation rates by wild central-place foragers (e.g., nesting bees) in spatially explicit landscapes. The model goes beyond existing approaches by: (1) integrating preferential use of more rewarding floral and nesting resources; (2) considering population growth over time; (3) allowing different dispersal distances for workers and reproductives; (4) providing visitation rates for use in crop pollination models...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28331591/synergistic-effects-of-floral-phytochemicals-against-a-bumble%C3%A2-bee-parasite
#14
Evan C Palmer-Young, Ben M Sadd, Rebecca E Irwin, Lynn S Adler
Floral landscapes comprise diverse phytochemical combinations. Individual phytochemicals in floral nectar and pollen can reduce infection in bees and directly inhibit trypanosome parasites. However, gut parasites of generalist pollinators, which consume nectar and pollen from many plant species, are exposed to phytochemical combinations. Interactions between phytochemicals could augment or decrease effects of single compounds on parasites. Using a matrix of 36 phytochemical treatment combinations, we assessed the combined effects of two floral phytochemicals, eugenol and thymol, against four strains of the bumblebee gut trypanosome Crithidia bombi...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28158409/nectar-replenishment-maintains-the-neutral-effects-of-nectar-robbing-on-female-reproductive-success-of-salvia-przewalskii-lamiaceae-a-plant-pollinated-and-robbed-by-bumble-bees
#15
Zhong-Ming Ye, Xiao-Fang Jin, Qing-Feng Wang, Chun-Feng Yang, David W Inouye
Background and Aims: It has been suggested that the dynamics of nectar replenishment could differ for flowers after being nectar robbed or visited legitimately, but further experimental work is needed to investigate this hypothesis. This study aimed to assess the role of nectar replenishment in mediating the effects of nectar robbing on pollinator behaviour and plant reproduction. Methods: Plant-robber-pollinator interactions in an alpine plant, Salvia przewalskii , were studied...
April 1, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28148820/correction-bumble-bees-regulate-their-intake-of-essential-protein-and-lipid-pollen-macronutrients
#16
A D Vaudo, D Stabler, H M Patch, J F Tooker, C M Grozinger, G A Wright
No abstract text is available yet for this article.
February 1, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28130453/high-elevation-refugia-for-bombus-terricola-hymenoptera-apidae-conservation-and-wild-bees-of-the-white-mountain-national-forest
#17
Erika M Tucker, Sandra M Rehan
Many wild bee species are in global decline, yet much is still unknown about their diversity and contemporary distributions. National parks and forests offer unique areas of refuge important for the conservation of rare and declining species populations. Here we present the results of the first biodiversity survey of the bee fauna in the White Mountain National Forest (WMNF). More than a thousand specimens were collected from pan and sweep samples representing 137 species. Three species were recorded for the first time in New England and an additional seven species were documented for the first time in the state of New Hampshire...
January 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28069631/pollination-reservoirs-in-lowbush-blueberry-ericales-ericaceae
#18
E M Venturini, F A Drummond, A K Hoshide, A C Dibble, L B Stack
Pollinator-dependent agriculture heavily relies upon a single pollinator-the honey bee. To diversify pollination strategies, growers are turning to alternatives. Densely planted reservoirs of pollen- and nectar-rich flowers (pollination reservoirs, hereafter "PRs") may improve pollination services provided by wild bees. Our focal agroecosystem, lowbush blueberry (Vaccinium angustifolium Aiton), exists in a simple landscape uniquely positioned to benefit from PRs. First, we contrast bee visitation rates and use of three types of PR...
April 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28006002/unbiased-rna-shotgun-metagenomics-in-social-and-solitary-wild-bees-detects-associations-with-eukaryote-parasites-and-new-viruses
#19
Karel Schoonvaere, Lina De Smet, Guy Smagghe, Andy Vierstraete, Bart P Braeckman, Dirk C de Graaf
The diversity of eukaryote organisms and viruses associated with wild bees remains poorly characterized in contrast to the well-documented pathosphere of the western honey bee, Apis mellifera. Using a deliberate RNA shotgun metagenomic sequencing strategy in combination with a dedicated bioinformatics workflow, we identified the (micro-)organisms and viruses associated with two bumble bee hosts, Bombus terrestris and Bombus pascuorum, and two solitary bee hosts, Osmia cornuta and Andrena vaga. Ion Torrent semiconductor sequencing generated approximately 3...
2016: PloS One
https://www.readbyqxmd.com/read/27883009/bumble-bee-parasite-strains-vary-in-resistance-to-phytochemicals
#20
Evan C Palmer-Young, Ben M Sadd, Philip C Stevenson, Rebecca E Irwin, Lynn S Adler
Nectar and pollen contain diverse phytochemicals that can reduce disease in pollinators. However, prior studies showed variable effects of nectar chemicals on infection, which could reflect variable phytochemical resistance among parasite strains. Inter-strain variation in resistance could influence evolutionary interactions between plants, pollinators, and pollinator disease, but testing direct effects of phytochemicals on parasites requires elimination of variation between bees. Using cell cultures of the bumble bee parasite Crithidia bombi, we determined (1) growth-inhibiting effects of nine floral phytochemicals and (2) variation in phytochemical resistance among four parasite strains...
November 24, 2016: Scientific Reports
keyword
keyword
24914
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"