Results 251 to 260 of about 27,849 (292)

Effect of ozone exposure on the foraging behaviour of Bombus terrestris.

Environmental Pollution, 2022
Tropospheric ozone (O3) mixing ratios have increased substantially since preindustrial times and high O3 peaks are increasingly common. Plant-pollinator interactions are central to natural ecosystem functioning and food production systems but could be negatively affected by unfavourable environmental conditions such as elevated O3.
Amélie Saunier, Patrick Grof-Tisza, J. Blande   +2 more
semanticscholar   +4 more sources

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Bombus terrestris

2023
Bombus terrestris (Linnaeus, 1758) Material examined: 9 ♀♀ workers, Tsageri, Dogurashi, Tsablanis gora, 20–26.vii.2020; 5 ♀♀ workers, Tsageri, Dogurashi, Nalobievi, 20–26.vii.2020, Leg.: G.Japoshvili. General distribution: Almost cosmopolitan (except Africa south of Sahara) (GBIF, 2023).
Japoshvili, George, Ljubomirov, Toshko
openaire   +1 more source

Investigation of the efficacy of some biopesticides by food exposure on Bombus terrestris L. (Hymenoptera: Apidae)

Journal of Apicultural Research, 2022
Exposure effects of Beauveria bassiana strain Bb-1 (Nostalgist), Isaria fumosorosea (= Paecilomyces fumosoroseus) strain PFs-1 (Priority), Lecanicillium lecanii strain V1-1 (Nibortem), azadirachtin (Nimbecidine) and Bacillus thuringiensis var.
O. Demirozer, Asiye Uzun, Gorkem Yanik, Ismail Yashan Bulus, A. Gosterit   +4 more
semanticscholar   +1 more source

Hormonal Regulation of Reproductive Diapause That Occurs in the Year-Round Mass Rearing of Bombus terrestris Queens.

Journal of Proteome Research, 2021
Adult reproductive diapause is an adaptive strategy under adverse environments for insects and other arthropod species, including bumblebees, which enables queens to survive through a harsh winter and then build new colonies in the following spring ...
Hao Chen, Guang’an Wu, Hao Zhou, Xiaoyan Dai, Nicolaas W F Steeghs, Xiaolin Dong, Li Zheng, Yifan Zhai   +7 more
semanticscholar   +1 more source

Bombus (Bombus) terrestris

2017
Published as part of Cárcamo, Javier Rendoll, Contador, Tamara, Saavedra, Lorena & Montalva, José, 2017, First record of the invasive bumble bee Bombus terrestris (Hymenoptera: Apidae) on Navarino Island, southern Chile (55 ° S), pp. 1-5 in Journal of Melittology 2017 (71) on page 2, DOI: 10.17161/jom.v0i71.6520, http://zenodo.org/record ...
Cárcamo, Javier Rendoll, Contador, Tamara, Saavedra, Lorena, Montalva, José   +3 more
openaire   +1 more source

Learning of geometry and features in bumblebees (Bombus terrestris).

Journal of Comparative Psychology, 2013
Bumblebees (Bombus terrestris) were trained to find one of the four exit holes located in the corners of an enclosed environment with a distinctive geometry (a rectangular cage). Panels located at the corners provided nongeometric, featural cues. Between trials bumblebees were passively disoriented to disable dead reckoning.
Potrich D., Vallortigara G., SOVRANO V. A.   +2 more
openaire   +5 more sources

Thermoregulation dynamics in commercially reared colonies of the bumblebee Bombus terrestris

, 2021
Thermoregulation, that is, the active control of temperature, is key to ensure proper brood development in both wild and captive bumblebee nests. In this study, thermoregulation dynamics were assessed relative to colony age and ambient temperature using ...
E. Wynants, Nancy Lenaerts, F. Wäckers, A. van Oystaeyen   +3 more
semanticscholar   +1 more source

Heritability of sperm length in the bumblebee Bombus terrestris

Genetica, 2006
Sperm length is highly variable, both between and within species, but the evolutionary significance of this variation is poorly understood. Sexual selection on sperm length requires a significant additive genetic variance, but few studies have actually measured this.
Baer, Boris C., De Jong, Gerdien, Schmid-Hempel, Regula, Schmid-Hempel, Paul, Hoeg, Jens T., Boomsma, Jacobus J. Koos   +5 more
openaire   +4 more sources

The final moments of landing in bumblebees, Bombus terrestris

Journal of Comparative Physiology A, 2016
In comparison to other insects, like honeybees, bumblebees are very effective pollinators. Even though landing is a crucial part of pollination, little is known about how bumblebees orchestrate the final, critical moments of landing. Here, we use high-speed recordings to capture the fine details of the landing behaviour of free-flying bumblebees ...
Emily Baird, Marie Dacke, Therese Reber
openaire   +3 more sources

Bombus terrestris

Published as part of Zanini, Sebastiano, Dainese, Matteo, Kopf, Timo, Obwegs, Lisa, Anderle, Matteo, Leitinger, Georg & Tappeiner, Ulrike, 2025, New distribution records of wild bees (Hymenoptera, Apoidea) in South Tyrol (Italy): expanding the wild bee database, pp.
Zanini, Sebastiano, Dainese, Matteo, Kopf, Timo, Obwegs, Lisa, Anderle, Matteo, Leitinger, Georg, Tappeiner, Ulrike   +6 more
openaire   +2 more sources