COLOSS (Prevention of honey bee COlony LOSSes) is an international, non-profit association headquartered in Bern, Switzerland that is focussed on improving the well-being of bees at a global level. We are composed of scientific professionals that include researchers, veterinarians, agriculture extension specialists and students. We understand that cooperation and open dialogue are key to better understanding the reasons why bee populations are threatened in today’s world.

Relating climatic factors to foraging behavior of bees during blooming...

Abstract: The present study was conducted at Mekelle Agricultural Research Center with the objective of determining the foraging behavior of local honeybees in relation to climatic factors. This was done during the blooming time of Guzotia abyssinica (LF). The data were collected during five observations at time intervals of: 8:30-3:30 AM, 10:30-11:30AM, 12:30-13:30PM, 14:30-15:30 PM…

Presence of Nosema ceranae associated with honeybee queen introductions

Abstract: Microsporidiosis caused by Nosema species is one of the factors threatening the health of the honeybee (Apis mellifera), which is an essential element in agriculture mainly due to its pollination function. The dispersion of this pathogen may be influenced by many factors, including various aspects of beekeeping management such as introduction of queens with…