Results 101 to 110 of about 19,827 (243)

Host‐associated beneficial gut microbiota boosts induced immunity and limits immune deployment costs in bumblebees

Journal of Animal Ecology, Volume 95, Issue 1, Page 217-229, January 2026.
Our work demonstrates a key role for host‐associated microbiota in the realization of induced immune defense, and contributes more broadly to our understanding of microbiota‐immune interactions in the context of ecological immunology. Abstract Ecological immunology posits that variation in host resistance to infection may be attributed partly to the ...
Austin C. Calhoun, Teni Shosanya, Brenna K. Long, Jade K. Rehberger, Ben M. Sadd   +4 more
wiley   +1 more source

Synergistic effect of honeybees and wild floral visitors in promoting sweet cherry fruit set in central Chile

Biological Research
Background Recent evidence highlights the key role of wild insects as pollinators in agroecosystems, enhancing fruit set in crops such as sweet cherry (Prunus avium). In Chile, the contribution of wild insects to crop yield remains poorly understood, and
Camila B. García, Pablo Díaz-Siefer, Cecilia Smith-Ramírez, Fernanda Montero-Silva, Jaime Martínez-Harms, Maureen Murúa, Juan L. Celis-Diez   +6 more
doaj   +1 more source

Measurement of electric charges on foraging bumblebees (Bombus terrestris)

Journal of Physics: Conference Series, 2019
Abstract Bumblebees carry electric charge. Almost always positive, this charge facilitates pollen transfer between bumblebee and flower during pollination and is likely to play a role in the detection of electric fields. Models of the Coulomb forces acting on pollen grains during pollination are predominantly based upon laboratory ...
Montgomery, C, Koh, K, Robert, D
openaire   +2 more sources

Las razones de por qué Chile debe detener la importación del abejorro comercial Bombus terrestris (Linnaeus) y comenzar a controlarlo

Gayana, 2018
La crisis mundial de polinización no solo es producida por la pérdida de polinizadores, sino también por su homogeneización, ambos procesos causados por el ser humano. En este documento analizamos los impactos ecológicos que justifican la prohibición de
Cecilia Smith-Ramirez, Lorena Vieli, Rodrigo Barahona-Segovia, José Montalva, Franco Cianferoni, Luisa Ruz, Francisco E. Fontúrbel, Carlos E. Valdivia, Rodrigo Medel, Aníbal Pauchard, Juan L. Celis-Diez, Vladimir Riesco, Víctor Monzón, Felipe Vivallo, Miguel Neira   +14 more
doaj   +1 more source

Unterschiede in der Kastendetermination zwischen den Hummelarten Bombus hypnorum und Bombus terrestris / Differences in the Caste Determination between the Bumblebee Species Bombus hypnorum and Bombus terrestris

Zeitschrift für Naturforschung B, 1970
In colonies of Bombus hypnorum reared in captivity all intermediate body sizes between worker and queen are produced, the body size being determined by the amount of food for the larvae. Queens are produced, if the larvae are fed sufficiently. In captivity queens are produced at every time of the colony development, if one worker has to feed only two ...
openaire   +1 more source

Air pollution modifies colonisation factors in beneficial symbiont Snodgrassella and disrupts the bumblebee gut microbiome

npj Biofilms and Microbiomes
Particulate air pollutants, a major air pollution component, are detrimental to human health and a significant risk to wildlife and ecosystems globally. Here we report the effects of particulate pollutant black carbon on the beneficial gut microbiome of ...
Hannah R. Sampson, Natalie Allcock, Eamonn B. Mallon, Julian M. Ketley, Julie A. Morrissey   +4 more
doaj   +1 more source

Regular periods of abdominal contractions recorded from larvae of the bumblebee, Bombus terrestris (Hymenoptera: Apidae)

European Journal of Entomology, 2006
Using an opto-cardiograph combined with an infrared gas analyzer regular bouts of abdominal contractions were recorded from last instar larva of Bombus terrestris. The rate of CO2 release was about 0.7 ml g-1 h-1.
Marika MÄND, Aare KUUSIK, MARTIN Ants-Johannes, Ingrid H. WILLIAMS, Anne LUIK, Reet KARISE, Luule METSPALU, Külli HIIESAAR   +7 more
doaj   +1 more source

Anesthesia effects on the managed Bombus terrestris terrestris: a propedeutic investigation to study the climatic "refugee" Bombus konradin

, 2023
Scientific ...
Di Francescantonio Gaia, , Boni Chiara Benedetta, Coppola Francesca, Di Santo Marco, , Di Cecco Valter, , Di Martino Luciano, , Felicioli Antonio   +6 more
openaire   +1 more source

Do bumblebees have signatures? Demonstrating the existence of a speed-curvature power law in Bombus terrestris locomotion patterns.

PLoS ONE, 2020
We report the discovery that Bombus terrestris audax (Buff-tailed bumblebee) locomotor trajectories adhere to a speed-curvature power law relationship which has previously been found in humans, non-human primates and Drosophila larval trajectories.
Laura James, T G Emyr Davies, Ka S Lim, Andrew Reynolds   +3 more
doaj   +1 more source

PCR-based screening of pathogens and parasites in Bombus terrestris populations of Turkey [PDF]

, 2023
Ali Sevim, Rahşan Akpınar, Seyit Hasan Öztürk, Fatih YILMAZ, Ümit Kayaboynu, Elif Sevi̇m, Hasan Ese, Ümit Karataş, Mücahit Buldağ, Şinasi Umur   +9 more
openalex   +1 more source