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Papers 2612
1 page of 262 pages (2,612 results)
Published in Apidologie 2.25
Ryan J. Leonard (UIUC: University of Illinois at Urbana–Champaign), Alexandra Nicole Harmon-Threatt6
Estimated H-index: 6
(UIUC: University of Illinois at Urbana–Champaign)
Ground-nesting bees are largely undervalued, both in terms of their use as model species for behavioural studies, and in terms of their agricultural benefit as pollinators in crop systems. But, why? One potential barrier limiting their use as model species may be our understanding of how to effectively establish and maintain ground-nesting bees in the laboratory. Here we review how artificial nests are used to study ground-nesting bees and provide guidelines for building, starting and maintainin...
Published in Apidologie 2.25
Patsavee Utaipanon (USYD: University of Sydney), Michael J. Holmes5
Estimated H-index: 5
(USYD: University of Sydney)
+ -3 AuthorsBenjamin P. Oldroyd46
Estimated H-index: 46
(USYD: University of Sydney)
Reliable information on Western honey bee colony density can be important in a variety of contexts including biosecurity responses, determining the sufficiency of pollinators in an agroecosystem and in determining the impacts of feral honey bees on ecosystems. Indirect methods for estimating colony density based on genetic analysis of sampled males are more feasible and cost efficient than direct observation in the field. Microsatellite genotypes of drones caught using Williams drone trap are us...
Published in Apidologie 2.25
Enzo Domínguez1
Estimated H-index: 1
(Facultad de Ciencias Exactas y Naturales),
Maria de la Paz Moliné (Facultad de Ciencias Exactas y Naturales)+ -3 AuthorsNatalia Damiani1
Estimated H-index: 1
(Facultad de Ciencias Exactas y Naturales)
The aim of this work was to evaluate antimicrobial activity against Paenibacillus larvae and oral toxicity against workers and larvae of Apis mellifera of gallic acid (GA) and two nanohybrids of GA and silica. Also, the physicochemical, structural, and energetic properties of GA and the nanohybrids were determined through structure–activity relationship (SAR). The minimum inhibitory concentration (MIC) against P. larvae was determined. GA showed MIC values between 62.5 and 125 μg/ml, whereas the...
Published in Apidologie 2.25
Piyamas Nanork Sopaladawan2
Estimated H-index: 2
(MSU: Mahasarakham University),
Benjamin P. Oldroyd46
Estimated H-index: 46
(USYD: University of Sydney),
Siriwat Wongsiri (Royal Society)
While honey bee workers have functional ovaries, worker reproduction is rare in colonies with a laying queen. An important mechanism by which functional worker sterility is enforced is worker policing—any behaviour of workers that prevents other workers from reproducing. In honey bees, policing workers identify worker-laid eggs and eat them. Policing workers apparently distinguish queen-laid eggs from eggs laid by workers using as yet unidentified chemical signals placed on eggs. These signals a...
Published in Apidologie 2.25
Enderlei Dec (UFRJ: Federal University of Rio de Janeiro), Felipe Vivallo3
Estimated H-index: 3
(UFRJ: Federal University of Rio de Janeiro)
An aggregation of the oil-collecting bee Epicharis dejeanii Lepeletier was studied at Ilha das Flores, southern Brazil. Data on seasonality, types of floral resources collected, and nesting biology were registered. The nesting area occupied 120 m2 with density of up to 8 nests/m2. The tunnel entrances remained always open and surrounded by a tumulus. Adult activity lasted approximately 70 days. The females built the nest, provisioned food, and layed the egg in 4 days. The nest’s architecture was...
Published in Apidologie 2.25
Sarah R. Preston1
Estimated H-index: 1
(UK: University of Kentucky),
Joseph H. Palmer1
Estimated H-index: 1
(UK: University of Kentucky)
+ -3 AuthorsClare C. Rittschof13
Estimated H-index: 13
(UK: University of Kentucky)
Maternal stress is a common source of heritable health and behavioral variation. This type of maternal effect could be particularly important for honey bees (Apis mellifera), as a single queen is responsible for many generations of workers who perform all colony functions including raising subsequent worker generations. Multiple factors work synergistically to cause colony loss, but a role for maternal stress effects is unstudied. We used an artificial cold temperature treatment as a proof-of-co...
Published in Apidologie 2.25
Tomáš Jehlík , Dalibor Kodrík23
Estimated H-index: 23
+ -3 AuthorsRadmila Čapková Frydrychová9
Estimated H-index: 9
We tested the effect of Chlorella sorokiniana, a green, unicellular, freshwater alga, provided as a food supplement on several biological characteristics of the honey bee Apis mellifera. Chlorella was applied as (1) a moisturized powder, (2) a sugar-water solution, or (3) mixed with honey-sugar candy. All three applications were well accepted by the bees. We observed a positive effect of Chlorella on colony development, and also on basic aspects of metabolism, such as increased fat deposition an...
Published in Apidologie 2.25
Dora Henriques (IPN: Instituto Politécnico Nacional), Melanie Parejo (UPV/EHU: University of the Basque Country)+ -3 AuthorsMaria Alice Pinto5
Estimated H-index: 5
(IPN: Instituto Politécnico Nacional)
Published on Jul 24, 2019in Apidologie 2.25
Maritza Reyes10
Estimated H-index: 10
(INRA: Institut national de la recherche agronomique),
Didier Crauser19
Estimated H-index: 19
(INRA: Institut national de la recherche agronomique)
+ 1 AuthorsYves Le Conte33
Estimated H-index: 33
(INRA: Institut national de la recherche agronomique)
Compared to the queen or the workers, the biology of honey bee Apis mellifera L. drones is poorly known. Available information on drone activity is based mainly on direct observations during a limited period of time and for a restricted time of the day. Complete registers of the flight activity of honey bee drones are lacking. We studied the activity of A. mellifera drones during their entire life in spring and summer by using an optical bee counter at the entrance of the hive. Drones were activ...
Published on Jul 23, 2019in Apidologie 2.25
Mariola Słowińska14
Estimated H-index: 14
(PAN: Polish Academy of Sciences),
Joanna Nynca15
Estimated H-index: 15
(PAN: Polish Academy of Sciences)
+ 3 AuthorsAndrzej Ciereszko28
Estimated H-index: 28
(PAN: Polish Academy of Sciences)
Varroa destructor is an external parasite of Apis mellifera and feeds on the haemolymph of pupae and adult bees, vectoring numerous viral pathogens, in particular the deformed wing virus (DWV). However, the changes in haemolymph protein composition after Varroa infestation are unknown. The objective of this study was to investigate alterations in the haemolymph proteome in relation to Varroa parasitism. Using two-dimensional difference gel electrophoresis and MALDI-TOF/TOF mass spectrometry, we ...