The Africanised honey bee, vernacularly known as the 'killer bee', is a hybrid of the western honey bee species. These bees tend to be more aggressive with a greater tendency for swarm formation. Their stings are frequently encountered with a broad spectrum of clinical manifestations, ranging from local to systemic effects, even with recorded fatalities. We report a case of an elderly man, who experienced a cerebrovascular event confirmed by neuroimaging within 24 hours after a multitude of Africanised honey bee stings.
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http://dx.doi.org/10.1136/bcr-2020-234877 | DOI Listing |
Exp Appl Acarol
January 2025
Faculty of Science, Department of Molecular Biology and Genetics, Mugla Sıtkı Koçman University, Mugla, Türkiye.
The Varroa destructor (hereafter referred to as Varroa) is a major pest of honeybees that is generally controlled using pyrethroid-based acaricides. However, resistance to these insecticides has become a growing problem, driven by the acquisition of knockdown resistance (kdr) mutations in the mite's voltage-gated sodium channel (vgsc) gene. Resistance mutations in the vgsc gene, such as the L925V mutation, can confer resistance to pyrethroids like flumethrin and tau-fluvalinate.
View Article and Find Full Text PDFPlant Biol (Stuttg)
January 2025
Department of Behavioral Physiology and Sociobiology, University of Würzburg, Würzburg, Germany.
Nature offers a bewildering diversity of flower colours. Understanding the ecology and evolution of this fantastic floral diversity requires knowledge about the visual systems of their natural observers, such as insect pollinators. The key question is how flower colour and pattern can be measured and represented to characterise the signals that are relevant to pollinators.
View Article and Find Full Text PDFPlant Biol (Stuttg)
January 2025
Grupo de Investigación en Ecología de la Polinización, Laboratorio Ecotono, INIBIOMA (CONICET-Universidad Nacional del Comahue), San Carlos de Bariloche, Río Negro, Argentina.
Plant reproduction is influenced not only by individual flower characteristics but also by the arrangement of flowers within inflorescences. In bee-pollinated plants with protandrous flowers in vertical acropetal inflorescences - where male fertile flower structures mature before female ones and basal flowers open first (i.e.
View Article and Find Full Text PDFParasit Vectors
January 2025
Department of Biology, University of Padova, Padova, Italy.
Background: The mite Varroa destructor is the most serious pest of the western honey bee (Apis mellifera) and a major factor in the global decline of colonies. Traditional control methods, such as chemical pesticides, although quick and temporarily effective, leave residues in hive products, harming bees and operators' health, while promoting pathogen resistance and spread. As a sustainable alternative, RNA interference (RNAi) technology has shown great potential for honey bee pest control in laboratory assays, but evidence of effectiveness in the field has been lacking.
View Article and Find Full Text PDFSci Total Environ
January 2025
Université de Lorraine, INRAE, LSE, F-54000 Nancy, France.
Pesticides have a significant impact on the environment, harming valuable non-target organisms like bees. Honeybees, in particular, are ideal bioindicators of pesticide exposure due to extensive research on how pesticides affect their behavior, immunity, development, biomolecules, and detoxification. However, wild pollinators are less studied in terms of pesticide exposure, and their inclusion is essential for a comprehensive risk assessment.
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