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Occurrence of honey bee (Apis mellifera L.) pathogens in commercial and traditional hives

Abstract: This work was aimed at the detection of the differences in the occurrence of seven bee pathogens between bee colonies kept in commercial and traditional ways. The research was conducted on 120 apparently healthy, commercially kept colonies in DB hives and 24 traditionally kept colonies in primitive, so-called trmka hives on the Pester Plateau.…

Sublethal effects of chronic exposure to CdO or PbO nanoparticles or their binary mixture on the hon

Cadmium and lead-based nanotechnologies are increasingly used in agricultural, industrial, and biological processes; however, potential adverse effects of nanomaterials on honey bees had not been assessed. In this study, effects of exposures to sublethal concentrations of PbO and CdO nanoparticles (NPs), either separately or in combination on honey bee (Apis mellifera) workers, were assessed. Honey…

Cellular alterations in midgut cells of honey bee workers (Apis millefera L.) exposed to sublethal c

Beside many beneficial applications in industry, agriculture and medicine, nanoparticles (NPs) released into the environment might cause adverse effects. In the present study, effects of exposure to sublethal concentrations of PbO and CdO NPs, either separately or in combination on honey bee (A. mellifera) workers were assessed. Honey bee workers were fed sugar syrup contained…

Next-generation sequence data demonstrate several pathogenic bee viruses in Middle East and African

Reference: Haddad, N., Horth, L., Al-Shagour, B., Adjlane, N., & Loucif-Ayad, W. (2018). Next-generation sequence data demonstrate several pathogenic bee viruses in Middle East and African honey bee subspecies (Apis mellifera syriaca, Apis mellifera intermissa) as well as their cohabiting pathogenic mites (Varroa destructor). Virus genes, 1-12. RNA viruses are associated with honey bee (Apis…

Morphometric identification of Varroa destructor and its plasticity by the exposure to thymol

Currently, there are four Varroa species identified worldwide, which present a high interspecific and intraspecific variability. The objective of this investigation was to identify the predominant species of Varroa and the effect of thymol on the plasticity of the mite. To determine the species and effect of thymol on the plasticity of the mite, 150…