Table 2.

The time of the daily onset of locomotor activity for nurse bees removed at different times from observation hives to individual cages in a constant laboratory environment

ColonySample sizeTime of removalOnset of activity in the lab (mean hh:mm±SE)
S1184:00 P.M.8:34 ± 0:16
S4193:30 P.M.9:22 ± 0:23
S8151:00 P.M.10:34 ± 0:45
S171910:00 A.M.11:08 ± 0:18
S201810:00 A.M.10:20 ± 0:47
S212112:30 P.M.9:18 ± 0:12
S261312:30 P.M.8:57 ± 0:15
S77148:00 P.M.10:47 ± 0:33
H71712:00 P.M.10:47 ± 0:35
  • All the observation hives experienced a 12 h light/dark illumination regime with the light on at 8:00 A.M.