|Authors: ||W. Boylan-Pett, R. Hoopingarner|
Two 6-colony apiaries were situated 600 m apart at similar blueberry plantings.
Three colonies at each apiary were fitted with florescent pigment dispensers which marked the bees' thorax with colored pigment as they entered or exited the colony.
Each dispenser-fitted colony marked bees with a colored pigment that was unique for that colony.
Counts at non-marking colony entrances were made by recording the number and color of foragers.
The percentage of foragers originating from different colonies within the apiary ranged from 32 to 63 percent.
Bees originating from colonies located 600 m away comprised 1.3 to 4.5 percent of the foraging force of the un-marked colonies.
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