Results 11 to 20 of about 508,749 (290)

Queen quality, performance, and winter survival of imported and domestic honey bee queen stocks [PDF]

open access: yesScientific Reports, 2023
Canadian beekeepers have faced high colony mortality each winter over the last decade. Frequently citing “poor queen quality” as a top contributing factor to colony loss, Canadian beekeepers report needing to replace half their queens each year. Domestic
L. A. Holmes   +7 more
doaj   +4 more sources

Fertility correlates with queen size and sperm quality in an ant. [PDF]

open access: yesPLoS One
Fitness can vary between individuals of the same population for reasons related to nutrient acquisition during development, but also to the quality of the mating partners. We focus on ant queens of Cardiocondyla obscurior to investigate the effects of female and male morphology and sperm ...
Süß LM, Oettler J, Jaimes-Nino LM.
europepmc   +5 more sources

A non-invasive method for profiling the gut microbiome and virome of honey bee queens [PDF]

open access: yesScientific Reports
High honey bee colony mortality worldwide has underscored the critical role of queen bee health in colony survival, with poor queen quality frequently linked to colony losses.
Leslie A. Holmes   +4 more
doaj   +2 more sources

Honey bee retinue workers respond similarly to queens despite seasonal differences in Queen Mandibular Pheromone (QMP) signaling.

open access: yesPLoS ONE, 2023
Honey bee colonies maintain viable queens in part through communication with Queen Mandibular Pheromone (QMP), a mixture that signals the queen's presence and reproductive quality to workers.
Mark J Carroll   +4 more
doaj   +1 more source

The Effects of Co-Enzyme Q10 and Caffeine on Morphometric Characteristics of Queen Honey Bees

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2021
Honey bee queen quality is a critical factor of colony performance. Indications of such qualities can manifest themselves through morphological traits such as wet weight and thorax width.
Samet Okuyan, Paul Cross
doaj   +1 more source

Investigating Genetic and Phenotypic Variability of Queen Bees: Morphological and Reproductive Traits

open access: yesAnimals, 2021
The quality of the honeybee queen has an important effect on a colony’s development, productivity, and survival. Queen failure or loss is considered a leading cause for colonies’ mortality worldwide.
Elena Facchini   +7 more
doaj   +1 more source

Quality of queen bees in different ways of their production

open access: yesANIMAL SCIENCE AND FOOD TECHNOLOGY, 2021
Timely replacement of queens is one of the main zootechnical methods for maintaining the vital activity of bee families, and searching for ways to improve their quality is an urgent problem. The purpose of this study was to evaluate the effect of the method of obtaining queen bees of Apis mellifera sossimai and Apis mellifera carpatica breeds on their ...
Vitalii Kucheriavyi   +2 more
openaire   +2 more sources

Honey Bee Queens and Virus Infections

open access: yesViruses, 2020
The honey bee queen is the central hub of a colony to produce eggs and release pheromones to maintain social cohesion. Among many environmental stresses, viruses are a major concern to compromise the queen’s health and reproductive vigor.
Esmaeil Amiri   +3 more
doaj   +1 more source

Pesticide Exposure During Development Does Not Affect the Larval Pheromones, Feeding Rates, or Morphology of Adult Honey Bee (Apis mellifera) Queens

open access: yesFrontiers in Ecology and Evolution, 2021
Recent work demonstrated that honey bee (Apis mellifera L.) queens reared in pesticide-laden beeswax exhibit significant changes in the composition of the chemicals produced by their mandibular glands including those that comprise queen mandibular ...
Elizabeth M. Walsh   +6 more
doaj   +1 more source

Control agents on the quality of Africanized honeybee queens

open access: yesSemina: Ciências Agrárias, 2020
The objective of this study was to evaluate the effect of the entomopathogenic fungus Beauveria bassiana, used in large field crops, and of the pomegranate Punica granatum aqueous extract, with insecticidal potential for insect control, on the quality of Africanized Apis mellifera queens.
Michele Potrich   +7 more
openaire   +3 more sources

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