Results 1 to 10 of about 105,510 (363)

Floral nectar guide patterns discourage nectar robbing by bumble bees. [PDF]

open access: yesPLoS ONE, 2013
Floral displays are under selection to both attract pollinators and deter antagonists. Here we show that a common floral trait, a nectar guide pattern, alters the behavior of bees that can act opportunistically as both pollinators and as antagonists ...
Anne S Leonard   +3 more
doaj   +3 more sources

Dracula’s mistress: removal of blood-red floral nectar results in secretion of more nectar [PDF]

open access: yesPlant Ecology and Evolution, 2020
Background and aims – Flowers of Jaltomata quipuscoae (Solanaceae) secrete blood-red nectar that serves as an energy reward and possible attractant to pollinators.
Thomas Mione, Isaac Diaz
doaj   +3 more sources

Colony Transport Affects the Expression of Some Genes Related to the Apis mellifera L. Immune System

open access: yesSociobiology, 2022
Migratory beekeeping can harm the bee colonies if not executed properly. Here, colonies of Apis mellifera were transported (for one or two hours) or not, following proper technical standards.
Maurice Fabian Scaloppi   +4 more
doaj   +1 more source

Zinc supplementation modifies brain tissue transcriptome of Apis mellifera honeybees

open access: yesBMC Genomics, 2022
Background Bees are the most important group of pollinators worldwide and their populations are declining. In natural conditions, Apis mellifera depends exclusively on food from the field to meet its physiological demands.
Marcelo Polizel Camilli   +4 more
doaj   +1 more source

Work in progress: diseño y tecnología contra el bullying

open access: yesEme, 2020
En este artículo os cuento nuestra experiencia con Andrea App, un proyecto de innovación social que se ha convertido en nuestra primera y propia startup.
Raúl Ortiz
doaj   +1 more source

Nectar robbing by bees affects the reproductive fitness of the distylous plant Tirpitzia sinensis (Linaceae)

open access: yesEcology and Evolution, 2023
Nectar robbing can affect plant reproductive success directly by influencing female and male fitness, and indirectly by affecting pollinator behavior. Flowers have morphological and chemical features that may protect them from nectar robbers.
Xiaoyue Wang   +4 more
doaj   +1 more source

A Decrease in the Staminode-Mediated Visitor Screening Mechanism in Response to Nectar Robbers Positively Affects Reproduction in Delphinium caeruleum Jacq. ex Camb. (Ranunculaceae)

open access: yesBiology, 2022
Nectar-robbing insects, which are frequently described as cheaters in plant–pollinator mutualisms, may affect plant reproductive fitness by obtaining nectar rewards without providing pollination services.
Qinzheng Hou   +5 more
doaj   +1 more source

Comparative analyses of the metabolite and ion concentrations in nectar, nectaries, and leaves of 36 bromeliads with different photosynthesis and pollinator types

open access: yesFrontiers in Plant Science, 2022
Floral nectar contains mainly sugars as well as smaller amounts of amino acids and further compounds. The nectar composition varies between different plant species and it is related to the pollination type of the plant. In addition to this, other factors
Thomas Göttlinger, Gertrud Lohaus
doaj   +1 more source

Influence of microclimatic conditions on nectar exudation in Glechoma hirsuta  W. K [PDF]

open access: yesArchives of Biological Sciences, 2005
The nectar production of Glechoma hirsuta W. K. grown under different microclimatic habitat conditions was evaluated by determining the total daily nectar quantity per flower, diurnal dynamics of nectar secretion, the nectar secretion rate, and sugar ...
Mačukanović-Jocić Marina   +1 more
doaj   +1 more source

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