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Effects on Some Therapeutical, Biochemical, and Immunological Parameters of Honey Bee (Apis mellifera) Exposed to Probiotic Treatments, in Field and Laboratory Conditions

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Several negative factors contribute to a decline in the number of insect pollinators. As a novel approach in therapy, we hypothesize that the EM® for bees could potentially have an important therapeutic and immunomodulatory effect on honey bee colonies. The aim of our study was to evaluate its impact on honey bees at the individual…

Honey bee colony winter loss rates for 35 countries participating in the COLOSS survey for winter 2018–2019

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Abstract This article presents managed honey bee colony loss rates over winter 2018/19 resulting from using the standardised COLOSS questionnaire in 35 countries (31 in Europe). In total, 28,629 beekeepers supplying valid loss data wintered 738,233 colonies, and reported 29,912 (4.1%, 95% confidence interval (CI) 4.0–4.1%) colonies with unsolvable queen problems, 79,146 (10.7%, 95% CI…

New paper: Dietary quercetin impacts the concentration of pesticides in honey bees

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Highlights: Honey bees orally exposed to imidacloprid exhibit reduced metabolism of quercetin. Dietary quercetin reduces the con- centration of imidacloprid absorbed in honey bees. Dietary quercetin does not affect the concentration of tebuconazole or tau-fluvalinate in contact-exposed honey bees. Free download for until 20th September 2020 https://www.sciencedirect.com/science/article/pii/S0045653520320439?dgcid=coauthor

Diversity and Global Distribution of Viruses of the Western Honey Bee, Apis mellifera

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In the past centuries, viruses have benefited from globalization to spread across the globe, infecting new host species and populations. A growing number of viruses have been documented in the western honey bee, Apis mellifera. Several of these contribute significantly to honey bee colony losses. This review synthetizes the knowledge of the diversity and distribution…

Mode of Transmission Determines the Virulence of Black Queen Cell Virus in Adult Honey Bees, Posing a Future Threat to Bees and Apiculture

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Honey bees (Apis mellifera) can be infected by many viruses, some of which pose a major threat to their health and well-being. A critical step in the dynamics of a viral infection is its mode of transmission. Here, we compared for the first time the effect of mode of horizontal transmission of Black queen cell virus (BQCV),…

Lethal and sublethal synergistic effects of a new systemic pesticide, flupyradifurone (Sivanto), on honeybees

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Abstract The honeybee (Apis mellifera L.) is an important pollinator and a model for pesticide effects on insect pollinators. The effects of agricultural pesticides on honeybee health have therefore raised concern. Bees can be exposed to multiple pesticides that may interact synergistically, amplifying their side effects. Attention has focused on neonicotinoid pesticides, but flupyradifurone (FPF)…

Authentication of the botanical and geographic origin of Egyptian honey using pollen analysis methods

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Authentication of the botanical and geographic origin of Egyptian honey using pollen analysis methods to use pollen analyses to authenticate the botanical origin and labeling of seven kinds of Egyptian honey and to identify sources of pollen used by honey bees in Egypt. Honeys are labeled, based on sources of pollen, which are usually provided…