The Western honey bee (Apis mellifera L., Hymenoptera: Apidae) is a species of crucial
economic, agricultural and environmental importance. In the last ten years, some regions of …

The negative impacts of pesticides, in particular insecticides, on bees and other pollinators
have never been disputed. Insecticides can directly kill these vital insects, whereas …

Microbial pathogens are thought to have a profound impact on insect populations. Honey
bees are suffering from elevated colony losses in the northern hemisphere possibly because …

The Western honey bee, Apis mellifera, is the most important animal pollinator in agriculture
worldwide providing more than 90% of the commercial pollination services. Due to the …

Nosema ceranae is a hot topic in honey bee health as reflected by numerous papers
published every year. This review presents an update of the knowledge generated in the last …

Global pollinators, like honeybees, are declining in abundance and diversity, which can
adversely affect natural ecosystems and agriculture. Therefore, we tested the current …

Background Numerous surveys reveal high levels of pesticide residue contamination in
honey bee comb. We conducted studies to examine possible direct and indirect effects of …

Across the Northern hemisphere, managed honey bee colonies, Apis mellifera, are currently
affected by abrupt depopulation during winter and many factors are suspected to be …

Varroa mites and viruses are the currently the high-profile suspects in collapsing bee
colonies. Therefore, seasonal variation in varroa load and viruses (Acute-Kashmir-Israeli …

Elevated winter losses of managed honeybee colonies are a major concern, but the
underlying mechanisms remain controversial. Among the suspects are the parasitic mite …