Age of bees (in days) performing activities of inspection, uncapping and removal on cells containing chalkbrood mummies in H and NH colonies. In-H: Inspection by Hygienic bees; In-NH: Inspection by Non-Hygienic bees; Un-H: Uncapping by Hygienic bees; Un-NH: Uncapping by Non-Hygienic bees; Re-H: removal by Hygienic bees; Re-NH: Removal by Non-Hygienic bees. The length of the box represents the interquartile range (the distance between the 25th and the 75th percentiles). The plus sign inside the box represents the median. The vertical lines issuing from the box represents the 5th and the 95th percentiles. Dots represent the minimum and maximum values.