Results 41 to 50 of about 15,123 (246)

Honey bee colony losses [PDF]

open access: yes, 2010
No description ...
CRAILSHEIM K   +5 more
core   +1 more source

Nosema locustae (Protozoa, Microsporidia), a Biological Agent for Locust and Grasshopper Control

open access: yesAgronomy, 2021
Effective locust and grasshopper control is crucial as locust invasions have seriously threatened crops and food security since ancient times. However, the preponderance of chemical insecticides, effective and widely used today, is increasingly ...
Longwa Zhang, M. Lecoq
semanticscholar   +1 more source

Segregation of a microsporidian parasite during host cell mitosis [PDF]

open access: yes, 1999
We investigated the segregation of an intracellular microsporidian parasite during host cell division. A time-course experiment was carried out to examine the distribution of parasites relative to host chromosomal DNA via light and electron microscopy.
Dunn, A.M., Smith, J.E., Terry, R.S.
core   +1 more source

A formal redefinition of the genera Nosema and Vairimorpha (Microsporidia: Nosematidae) and reassignment of species based on molecular phylogenetics.

open access: yesJournal of Invertebrate Pathology, 2019
The microsporidian genera Nosema and Vairimorpha comprise a clade described from insects. Currently the genus Nosema is defined as having a dimorphic life cycle characterized by diplokaryotic stages and diplosporoblastic sporogony with two functionally ...
Y. Tokarev   +5 more
semanticscholar   +1 more source

A growing pandemic: A review of Nosema parasites in globally distributed domesticated and native bees

open access: yesPLoS Pathogens, 2020
Domesticated and native bees face a variety of deadly threats that cause mortality and reduced fecundity and thus, by extension, endanger agriculture and native plant communities that rely on bees for pollination. Biotic factors negatively impacting bees
A. Grupe, C. A. Quandt
semanticscholar   +1 more source

Association between the Microsatellite Ap243, AC117 and SV185 Polymorphisms and Nosema Disease in the Dark Forest Bee Apis mellifera mellifera

open access: yesVeterinary Sciences, 2020
The microsporidian Nosema parasites, primarily Nosema ceranae, remain critical threats to the health of the honey bee Apis mellifera. One promising intervention approach is the breeding of Nosema-resistant honey bee colonies using molecular technologies,
Nadezhda V. Ostroverkhova
doaj   +1 more source

The efficacy of thyme, peppermint, eucalyptus essential oils, and nanoparticle ozone on nosemosis in honey bees [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2023
Nosemosis is an intracellular fungus that seriously affects honeybees" health globally. This study aimed to evaluate and compare the efficacy of thyme, peppermint, eucalyptus essential oils, and nanoparticle ozone applied by spray on the frames against ...
Mehmet ÖZÜİÇLİ   +5 more
doaj   +1 more source

Features of microsporidia Nosema apis and Nosema ceranae (Nosema species) development of winter bee (Apis mellifera L.) generation

open access: yesScienceRise: Biological Science, 2022
Temperature is one of the main abiotic factors affecting the development of causative agents of nosemosis in the bee's body. The aim of the research. To determine the influence of the winter and summer bee nest temperature (20–22 °C and 35–36 °C, respectively) on the duration of Nosema species development of winter bee generation isolated in hoarding ...
Hanna Odnosum, Tetiana Yefimenko
openaire   +2 more sources

The cost of promiscuity: sexual transmission of Nosema microsporidian parasites in polyandrous honey bees [PDF]

open access: yes, 2015
Multiple mating (and insemination) by females with different males, polyandry, is widespread across animals, due to material and/or genetic benefits for females.
AA Ptaszynska   +50 more
core   +1 more source

Seasonality of Nosema ceranae Infections and Their Relationship with Honey Bee Populations, Food Stores, and Survivorship in a North American Region

open access: yesVeterinary Sciences, 2020
Nosema ceranae is an emerging pathogen of the western honey bee (Apis mellifera L.), and thus its seasonality and impact on bee colonies is not sufficiently documented for North America.
B. Emsen   +8 more
semanticscholar   +1 more source

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