Results 21 to 30 of about 22,703 (241)

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

Influence of Pollination Technique on Greenhouse Tomato Production

Journal of Agricultural and Marine Sciences, 2003
An experiment was carried out to study the effects of four pollination techniques; Bumblebees (Bombus terrerstris L.), plant growth bioregulator (PGB) (Parachlorophenoxy acetic acid), hand vibration, and control (natural pollination) on tomato ...
I.K. Nazer, M.A. Kasrawi, Y.Z. Al-Attal
doaj   +1 more source

Insects Associated with Michigan Bumblebees (\u3ci\u3eBombus\u3c/i\u3e Spp.) [PDF]

, 2017
(excerpt) Studies of insect associates of bumblebees are not new. For example, Tuck (1896, 1897) reported over 50 species of insects associated with nests of British bumblebees. Sladen (1912) discussed nest associates and parasites of European bumblebees,
Brown, Thomas M, Husband, Richard W
core   +2 more sources

Spontaneous Lorentz and Diffeomorphism Violation, Massive Modes, and Gravity [PDF]

, 2008
Theories with spontaneous local Lorentz and diffeomorphism violation contain massless Nambu-Goldstone modes, which arise as field excitations in the minimum of the symmetry-breaking potential.
Bluhm, Robert, Fung, Shu-Hong, Kostelecky, Alan   +2 more
core   +2 more sources

Gap perception in bumblebees [PDF]

Journal of Experimental Biology, 2018
Abstract A number of insects fly over long distances below the natural canopy where the physical environment is highly cluttered consisting of obstacles of varying shape, size and texture. While navigating within such environments animals need to perceive and disambiguate environmental features that might obstruct their flight. The most
Ravi, Sridhar, Bertrand, Olivier, Siesenop, Tim, Manz, Lea-Sophie, Doussot, Charlotte, Fisher, Alex, Egelhaaf, Martin   +6 more
openaire   +2 more sources

Mapping species distributions: A comparison of skilled naturalist and lay citizen science recording [PDF]

, 2015
To assess the ability of traditional biological recording schemes and lay citizen science approaches to gather data on species distributions and changes therein, we examined bumblebee records from the UK’s national repository (National Biodiversity ...
A Lawrence, A Lawrence, Advaith Siddharthan, AIT Tulloch, AM Miller-Rushing, Annie Robinson, Ben Darvill, BL Sullivan, C Kremen, C Mackechnie, Chris Mellish, CL Catlin-Groves, D Goulson, D Goulson, DB Lindenmayer, DE Moerman, DEFRA, DEFRA, DS Schmeller, EH Boakes, GC Lye, GW Hopkins, HE Roy, HE Roy, Helen Anderson, J Beck, J Silvertown, JJD Greenwood, K Paul, LP Crowther, M Barbet-Massin, M Macdonald, MJO Pocock, Nirwan Sharma, NJB Isaac, R Ellis, R Ellis, René van der Wal, S Bell, S Goffredo, Stuart Roberts, UK National Ecosystem Assessment   +41 more
core   +3 more sources

Evidence for Handedness in Bumblebees [PDF]

Journal of Insect Behavior, 2001
We describe a simple study of how bumblebees (Bombus spp.) behave when visiting florets which are arranged in a circle around a vertical inflorescence. In four species of bees, individuals showed a tendency for rotation in the same direction around each inflorescence on successive visits, i.e., each individual tended to go either clockwise or ...
Kells, Andrea.R., Goulson, Dave
openaire   +2 more sources

Spontaneous Lorentz Violation, Nambu-Goldstone Modes, and Gravity [PDF]

, 2005
The fate of the Nambu-Goldstone modes arising from spontaneous Lorentz violation is investigated. Using the vierbein formalism, it is shown that up to 10 Lorentz and diffeomorphism Nambu-Goldstone modes can appear and that they are contained within the ...
Bluhm, Robert, Kostelecky, Alan
core   +2 more sources

Monitoring bee health in European agro-ecosystems using wing morphology and fat bodies [PDF]

One Ecosystem, 2021
Current global change substantially threatens pollinators, which directly impacts the pollination services underpinning the stability, structure and functioning of ecosystems.
Maryse Vanderplanck, Denis Michez, Matthias Albrecht, Eleanor Attridge, Aurélie Babin, Irene Bottero, Tom Breeze, Mark Brown, Marie-Pierre Chauzat, Elena Cini, Cecilia Costa, Pilar De la Rua, Joachim de Miranda, Gennaro Di Prisco, Christophe Dominik, Daniel Dzul, William Fiordaliso, Sébastien Gennaux, Guillaume Ghisbain, Simon Hodge, Alexandra-Maria Klein, Jessica Knapp, Anina Knauer, Marion Laurent, Victor Lefebvre, Marika Mänd, Baptiste Martinet, Vicente Martinez-Lopez, Piotr Medrzycki, Maria Helena Pereira Peixoto, Simon Potts, Kimberly Przybyla, Risto Raimets, Maj Rundlöf, Oliver Schweiger, Deepa Senapathi, José Serrano, Jane Stout, Edward Straw, Giovanni Tamburini, Yusuf Toktas, Maxence Gérard   +41 more
doaj   +3 more sources

The bumblebee Bombus terrestris carries a primary inoculum of Tomato brown rugose fruit virus contributing to disease spread in tomatoes.

PLoS ONE, 2019
The bumblebee Bombus terrestris is a beneficial pollinator extensively used in tomato production. Our hypothesis was that bumblebee hives collected from a Tomato brown rugose fruit virus (ToBRFV) infected tomato greenhouse, preserve an infectious primary
Naama Levitzky, Elisheva Smith, Oded Lachman, Neta Luria, Yaniv Mizrahi, Helen Bakelman, Noa Sela, Orly Laskar, Elad Milrot, Aviv Dombrovsky   +9 more
doaj   +1 more source