Previously bagged flowers (N058) were exposed either to 8 h of bee-visitation (N016), or to a single beevisit (N042). After the visits, the flowers were bagged again until flower senescence. Single visits were filmed and subsequently analyzed with regard to the total
duration of the visits (visit duration0time between first landing and leaving for the colony or another flower),and the time that bees actually remained on the flower(henceforth: time spent on a flower). In the course of a
visit, bees frequently performed grooming flights. Thus,
the time spent on a flower was calculated by subtracting
the time spent with grooming flights from the visit
duration. Additionally, we analyzed the number of
buzzes made by the forager