Results 21 to 30 of about 23,969 (226)

Linking bacterial diversity to floral identity in the bumble bee pollen basket

open access: yesEnvironmental DNA, 2021
Multitrophic interactions are ubiquitous in nature and form the basis of biodiversity. For example, bumble bees visit flowers to collect pollen, on which a variety of bacteria exist.
Nicholas Sookhan   +4 more
doaj   +1 more source

Endosymbionts that threaten commercially raised and wild bumble bees (Bombus spp.)

open access: yesJournal of Pollination Ecology, 2023
Bumble bees (Bombus spp.) are important pollinators for both wild and agriculturally managed plants. We give an overview of what is known about the diverse community of internal potentially deleterious bumble bee symbionts, including viruses, bacteria ...
Laura Figueroa   +14 more
doaj   +1 more source

Performance of hymenopteran insects as pollinators of pumpkin in Meghalaya [PDF]

open access: yes, 2016
Pumpkin is a major cultivated crop particularly in north eastern states of India that depends on insects for the pollination, as the pollens of these plants are large sized and sticky.
Pande, Rachna, Verma, V. K.
core   +2 more sources

The Potential Influence of Bumble Bee Visitation on Foraging Behaviors and Assemblages of Honey Bees on Squash Flowers in Highland Agricultural Ecosystems. [PDF]

open access: yesPLoS ONE, 2016
Bee species interactions can benefit plant pollination through synergistic effects and complementary effects, or can be of detriment to plant pollination through competition effects by reducing visitation by effective pollinators.
Zhenghua Xie   +3 more
doaj   +1 more source

Pollen samples from a bumble bee (Hymenoptera: Apidae) collection show historic foraging on introduced and native plants in the South Island of New Zealand.

open access: yesPLoS ONE, 2022
Historic pollination networks are important to understand interactions between different plant and pollinator species, as well as to differentiate between causes and consequences of present insect population decline.
Mary Knowles   +4 more
doaj   +1 more source

The Effect of Urbanization on Bumble Bee Communities in Greater Philadelphia [PDF]

open access: yes, 2010
Bumble bees (Bombus spp.) are among the most important wild pollinators in temperate ecosystems in North America and Europe, and are believed to be vital to the functioning of the pollination networks in which they occur.
Neal M. Williams, Rosemary L. Malfi
core   +2 more sources

Queen control of a key life-history event in a eusocial insect [PDF]

open access: yes, 2013
In eusocial insects, inclusive fitness theory predicts potential queen–worker conflict over the timing of events in colony life history. Whether queens or workers control the timing of these events is poorly understood.
Andrew F. G. Bourke   +5 more
core   +1 more source

Pollinators on the polar edge of the Ecumene: taxonomy, phylogeography, and ecology of bumble bees from Novaya Zemlya [PDF]

open access: yesZooKeys, 2019
The High Arctic bumble bee fauna is rather poorly known, while a growing body of recent molecular research indicates that several Arctic species may represent endemic lineages with restricted ranges.
Grigory S. Potapov   +8 more
doaj   +3 more sources

The dose makes the poison: have “field realistic” rates of exposure of bees to neonicotinoid insecticides been overestimated in laboratory studies? [PDF]

open access: yes, 2014
Recent laboratory based studies have demonstrated adverse sub-lethal effects of neonicotinoid insecticides on honey bees and bumble bees, and these studies have been influential in leading to a European Union moratorium on the use of three neonicotinoids,
BARON G L   +16 more
core   +1 more source

Abundance and Diversity of Native Bumble Bees Associated with Agricultural Crops: The Willamette Valley Experience

open access: yesPsyche: A Journal of Entomology, 2010
There are widespread concerns about declining populations of bumble bees due to conversion of native habitats to agroecosystems. Certain cropping systems, however, provide enormous foraging resources, and are beneficial for population build up of native ...
Sujaya Rao, W. P. Stephen
doaj   +1 more source

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