Results 31 to 40 of about 22,796 (268)
Spatial Relation of Bumblebees (Hymenoptera-Apidae) with Host-Plant and their Conservation Issues: An Outlook from Urban Ecosystem of Kathmandu Valley, Nepal [PDF]
, 2019 Ecology and conservation status of bumblebee species remains poorly understood, especially in rapidly degrading urban ecosystems, which is important considering the role of bumblebees in the pollinations. We collected more than 200 bumblebee (Bombus
Baniya, Pratikshya +4 more
core +2 more sources
Phenology of farmland floral resources reveals seasonal gaps in nectar availability for bumblebees
Journal of Applied Ecology, 2019 1.Floral resources are known to be important in regulating wild pollinator populations and are therefore an important component of agri‐environment and restoration schemes which aim to support pollinators and their associated services.
T. Timberlake, I. Vaughan, J. Memmott
semanticscholar +1 more source
Combined stress from parasites, pesticides and lack of flowers drives bee declines [PDF]
, 2015 Bees are subject to numerous pressures in the modern world. The abundance and diversity of flowers has declined, bees are chronically exposed to cocktails of agrochemicals, and they are simultaneously exposed to novel parasites accidentally spread by ...
Botias Talamantes, Cristina +3 more
core +1 more source
Bumblebees of the Subarctic Region in European Russia—Their Significance and Conservation
Biology and Life Sciences Forum, 2022 Regarding the bumblebee fauna, a number of regions of Russia are still insufficiently studied. These include Arkhangelsk Region, a large territory that is partly located in the subarctic region of Northern European Russia.
Grigory Potapov
doaj +1 more source
Insects, 2023 Pollen is an important source of nutrition for bumblebees to survive, reproduce, and raise their offspring. To explore the nutritional requirements for the egg laying and hatching of queenright Bombus breviceps colonies, camellia pollen, oilseed rape ...
Chang-Shi Ren +4 more
doaj +1 more source
Review of the methods to determine the hazard and toxicity of pesticides to bumblebees [PDF]
, 2001 Methods to determine the impact of pesticides on bumblebees are described. They are classified into laboratory tests to determine the acute toxicity and the hazard to bumblebees, (semi) field tests, and brood tests.
Steen, J.J.M., van der
core +5 more sources
Julius-Kühn-Archiv, 2018 A preliminary data evaluation was conducted by ECPA companies to compare the sensitivity of bumblebees (Bombus terrestris) with the sensitivity of honeybees (Apis mellifera).
Dinter, Axel +9 more
doaj +1 more source
A game demonstrating aspects of bumblebee natural history [PDF]
, 2004 The Bumblebee Game is an exciting outdoor game, which demonstrates aspects of bumblebee natural history including food chains, food webs and competition for food, predation by crab spiders, parasitism by Conopidae (Diptera) and brood parasitism by ...
Westgarth-Smith, AR
core +1 more source
Pattern of population structuring between Belgian and Estonian bumblebees [PDF]
, 2019 Several population genetic studies investigated the extent of gene flow and population connectivity in bumblebees. In general, no restriction in gene flow is considered for mainland populations of common bumblebee species.
Karise, Reet +4 more
core +1 more source
Proceedings of the National Academy of Sciences of the United States of America, 2020 Significance Like many other animals, including humans, insects frequently move through densely cluttered environments to perform activities critical for their survival, such as foraging.
S. Ravi +7 more
semanticscholar +1 more source