Results 71 to 80 of about 25,027 (254)

Rapid hormonal rise in honey bees due to heat‐shock is mitigated by a primer pheromone

Insect Science, EarlyView.
We show that honey bee foragers increased juvenile hormone (JH) titers significantly after heat‐shocked for 1 h at 40 °C, but this increase is dependent on social conditions. Increase of JH titers only happened when bees were isolated (one worker bee per vial) but not in groups.
Thomas Rachman, Zachary Y. Huang
wiley   +1 more source

Prevalence and distribution of Varroa destructor and Nosema spp. in symptomatic honey bee colonies across the USA from 2015 to 2022

Scientific Reports
USDA-ARS Bee Research Laboratory received symptomatic honey bee (Apis mellifera L.) samples across the United States for disease diagnosis. Here, we present a retrospective study and cartography of ectoparasite Varroa destructor and intracellular ...
S. Abban, Bart Smith, M. Corona, S. Cook, Jay D. Evans, Yanping Chen, M. Alburaki   +6 more
semanticscholar   +1 more source

A derived honey bee stock confers resistance to Varroa destructor and associated viral transmission

Scientific Reports, 2022
The ectoparasite Varroa destructor is the greatest threat to managed honey bee (Apis mellifera) colonies globally. Despite significant efforts, novel treatments to control the mite and its vectored pathogens have shown limited efficacy, as the host ...
Thomas A. O’Shea-Wheller, F. Rinkevich, R. Danka, M. Simone-Finstrom, Philip G. Tokarz, K. Healy   +5 more
semanticscholar   +1 more source

Impacts of a Sweet Orange Essential Oil–Based Biopesticide on Exorista larvarum, a Parasitoid Tachinid Fly With a Dual Role

Entomologia Experimentalis et Applicata, EarlyView.
Lethal (mortality) and sublethal (fecundity, fertility) effects of the biopesticide Prev‐Am Plus (containing ~6% sweet orange essential oil) were assessed on the tachinid fly Exorista larvarum. Mated females were exposed via contact and oral routes across five concentrations (0.25%–20%) using protocols adapted from Apis mellifera.
Santolo Francati, Fabio Sgolastra, Rafaela Tadei, Maria Luisa Dindo   +3 more
wiley   +1 more source

Detection of amitraz resistance and reduced treatment efficacy in the Varroa Mite, Varroa destructor, within commercial beekeeping operations

PLoS ONE, 2020
The parasitic mite Varroa destructor and the associated viruses it transmits are responsible for most instances of honey bee colony losses in the United States. As such, beekeepers utilize miticides to control Varroa populations.
F. Rinkevich
semanticscholar   +1 more source

Assessing Repeated Oxalic Acid Vaporization in Honey Bee (Hymenoptera: Apidae) Colonies for Control of the Ectoparasitic Mite Varroa destructor

Journal of Insect Science, 2022
The American beekeeping industry continually experiences colony mortality with annual losses as high as 43%. A leading cause of this is the exotic, ectoparasitic mite, Varroa destructor Anderson & Trueman (Mesostigmata: Varroidae).
J. Berry, Lewis J. Bartlett, Selina Bruckner, C. Baker, S. Braman, K. Delaplane, Geoffrey R. Williams   +6 more
semanticscholar   +1 more source

Oxidative stress in honey bees (Apis mellifera) and small carpenter bees (Ceratina calcarata) across different landscapes

Physiological Entomology, EarlyView.
First comparative study in oxidative stress between wild bees and managed bees. Bees collected from organic landscapes exhibited the lowest OX levels. Pesticide profiles were different among landscapes. Abstract Oxidative stress (OX) is a state of imbalance between antioxidants and reactive oxygen species, which are the byproducts of oxidative ...
Keiana Briscoe, Mia Byarlay, Rameshwor Pudasaini, Reed Johnson, Sandra Rehan, Hongmei Li‐Byarlay   +5 more
wiley   +1 more source

Examining the factors influencing Varroa destructor host selection of Apis mellifera larvae [PDF]

, 2018
The European honey bee, Apis mellifera, is a vital species for agriculture, providing pollination for crops all around the world. Recent declines in honey bee health have been concerning, and the spread of the ectoparasitic mite Varroa destructor is ...
Reams, Taylor Danielle, NC DOCKS at The University of North Carolina at Greensboro   +1 more
core  

On the front line: quantitative virus dynamics in honeybee (Apis mellifera L.) colonies along a new expansion front of the parasite Varroa destructor.

PLoS Pathogens, 2014
Over the past fifty years, annual honeybee (Apis mellifera) colony losses have been steadily increasing worldwide. These losses have occurred in parallel with the global spread of the honeybee parasite Varroa destructor.
Fanny Mondet, Joachim R de Miranda, Andre Kretzschmar, Yves Le Conte, Alison R Mercer   +4 more
doaj   +1 more source

Control de varroasis en abejas melíferas utilizando acaricida natural a base de aceite de Neem, una solución ecológica y eficaz

Revista de Veterinaria y Zootecnia Amazónica, 2023
La investigación se realizó durante 5 semanas, evaluando distintos tratamientos con diferentes niveles de aceite de neem para controlar Varroa destructor en colmenas de abejas. Se utilizaron 4 tratamientos con aceite comercial de neem en concentraciones
Ángel Joel Yépez-Rosado, Carmen Lizbeth Verdezoto-Michuy, Diana Carolina Morales-Cabezas, Ronald Roberto Cabezas-Congo, Angel Bolívar Yépez-Yánez, Jennifer Kasandra Vera-Párraga, Patricia Palma-Roxana, Jeison Daniel Zambrano-Flores, Angel Antonio Chamorro-Palacios   +8 more
doaj   +1 more source