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Biol Bull 144: 107-131. (February 1973)
© 1973 Marine Biological Laboratory
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THE SEARCH DYNAMICS OF RECRUITED HONEY BEES, APIS MELLIFERA LIGUSTICA SPINOLA

LARRY JON FRIESEN 1

1 Department of Biological Sciences, University of California at Santa Barbara, Santa Barbara, California 93106

Some variables in the recruitment process of honey bees were studied as they affected the distribution and success of the searching population in the field. The dance language and odor dependence hypotheses were contrasted and their predictions compared with the following observations.

1. Recruits were attracted to the odors from the food which were carried by foragers and were dependent on these odors for success.

2. A monitoring of recruit densities in the field demonstrated an association of searchers with the forager flight path.

3. The degree of correspondence between the distribution of recruits and the direction of the flight path to the feeding site was correlated with wind direction, not search efficiency.

4. Feeding stations upwind of the hive provided the highest recruit success rates, shortest search times, and the least dependence on wind speed. Downwind stations provided the lowest recruit success rates, the longest search times, and the greatest dependence on wind speed.

5. A disproportionate increase in recruit success with an increase in the number of foragers visiting a feeding site was correlated with the density of the foragers in the field.

6. Increased bee densities at the feeding site, even with bees from different hives, increased recruit success and shortened search times.

7. The progression of and the extremely long intervals between the onset of recruit arrivals at areas along the forager flight path suggested communication among bees in the field and a dependence of recruit success on the density and growth of the searching population.

These observations are compatible with an odor dependent search behavior and together fail to support the predictions of the dance language hypothesis. Dance attendants appeared to have been conditioned to the odors associated with returning foragers and, after leaving the hive, entered a searching population dependent on these odors for success. The dependence of recruit success on food odor at the feeding station, the density of foragers between this station and the hive, and the direction of the wind indicates that the integrity of the forager flight path was extremely important to this success. The distributions and extended search times of recruits indicated a search behavior based on positive anemotaxis during the perception of the proper combination of odors and negative anemotaxis after the loss of this stimulation.




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J. Reinhard, M. V. Srinivasan, D. Guez, and S. W. Zhang
Floral scents induce recall of navigational and visual memories in honeybees
J. Exp. Biol., December 1, 2004; 207(25): 4371 - 4381.
[Abstract] [Full Text] [PDF]


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