August 2022

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Crushing corn pollen grains increased diet digestibility and hemolymph protein content while decreasing honey bee consumption

A honey bee colony’s ability to grow and develop is dependent on adequate nutrition. Bees collect pollen from flowers as a source of protein, fat, vitamins, and minerals. The crude protein content of corn pollen is considered low, around 15%; however, bees frequently visit the male flowers of the tassels for pollen. In this study,…

COLOSS Executive Committee (EC) elections 2022

Dear COLOSS members, According to our statutes, we will democratically elect a new Executive Committee (EC) at our forthcoming General Assembly (GA) associated with the next COLOSS conference. The EC is right at the core of our network. COLOSS can simply not function without it. Therefore, it is crucial that dedicated members interested in actively…

Virtual participation in 47th APIMONDIA Congress

47th Apimondia Congress in Istanbul, Turkey. Let’s celebrate the 125th Anniversary of Apimondia Congresses between 24-28 August! Participants from 98 different countries registered to our Congress until today! That’s why an Apimondia Congress is “World’s largest gathering place for Beekeeping”. We are looking forward to broadcast World’s largest gathering event, the 47th Apimondia Congress online.…

Acaricide flumethrin-induced sublethal risks in honeybees are associated with gut symbiotic bacterium Gilliamella apicola through microbe-host metabolic interactions

Flumethrin is one of the few acaricides that permit the control of Varroa disease or varroosis in bee colonies. However, flumethrin accumulates in hive products. We previously discovered that sublethal doses of flumethrin induce significant physiological stress in honeybees (Apis mellifera L.), however its potential impacts on the honeybee gut microenvironment remains unknown. To fill…

Flupyradifurone, sulfoxaflor and azoxystrobin disrupt the gut microbiota of honey bees and increase bacterial pathogens

The gut microbiome plays an important role in bee health and disease. But it can be disrupted by pesticides and in-hive chemicals, putting honey bee health in danger. We used a controlled and fully crossed laboratory experimental design to test the effects of a 10-day period of chronic exposure to field-realistic sublethal concentrations of two…