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Effects of coumaphos and imidacloprid on honey bee...

Abstract. The main objective of this study was to test comparatively the effects of two common insecticides on honey bee Apis mellifera worker’s lifespan, food consumption, mortality, and expression of antioxidant genes. Newly emerged worker bees were exposed to organophosphate insecticide coumaphos, a neonicotinoid imidacloprid, and their mixtures. Toxicity tests were conducted along with bee…

Hydroxymethylfurfural Affects Caged Honey Bees

Abstract. A high concentration of hydroxymethylfurfural (HMF) (e.g., 15 mg HMF per kg honey) indicates quality deterioration for a wide range of foods. In honey bee colonies, HMF in stored honey can negatively a_ect bee health and survival. Therefore, in the laboratory, we experimentally determined the effects of HMF on the longevity and midgut integrity…

Lethal and sublethal synergistic effects of a new...

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)…

Consequences of a short time exposure to a...

Dramatic losses of pollinating insects have become of global concern, as they threaten not only key ecosystem services but also human food production. Recent research provided evidence that interactions between ecological stressors are drivers of declining pollinator health and responsible for observed population collapses. We used the honeybee Apis mellifera and conducted a series of…

A citizen science supported study on seasonal diversity...

Robert Brodschneider Kristina Gratzer, Elfriede Kalcher-Sommersguter, Helmut Heigl, Waltraud Auer, Rudolf Moosbeckhofer & Karl Crailsheim Scientific Reports volume 9, Article number: 16633 (2019) https://www.nature.com/articles/s41598-019-53016-5 Austrian beekeepers participated in the “C.S.I. Pollen” study as citizen scientists and collected pollen from honey bee colonies in hive mounted traps every three weeks from April to September in 2014 and 2015 to…

Exposure of honey bee larvae to thiamethoxam and...

Tesovnik Tanja, Zorc Minja, Ristanić Marko, Glavinić Uroš, Stevanović Jevrosima, Narat Mojca, Stanimirović Zoran (2019) Exposure of honey bee larvae to thiamethoxam and its interaction with Nosema ceranae infection in adult honey bees, Environmental Pollution, DOI: 10.1016/j.envpol.2019.113443 Abstract During their lifetime honey bees (Apis mellifera) rarely experience optimal conditions. Sometimes, a simultaneous action of multiple…

The effect of diet types on some quality...

Slobodan Dolasevic, Jevrosima Stevanovic, Nevenka Aleksic, Uros Glavinic, Nebojsa Deletic, Mica Mladenovic & Zoran Stanimirovic The influence of various diets on the quality of Apis mellifera queens was assessed. Colonies intended for queen cell production were assigned to four groups fed on (1) sugar-only, (2) mix of sugar, honey and fresh pollen, (3) sugar and pollen substitute…