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Waggle Dance Controversy Resolved By Radar Records Of Bee Flight Paths

Date:
May 12, 2005
Source:
Biotechnology and Biological Sciences Research Council
Summary:
In the 1960s, Nobel Prize winning zoologist, Karl von Frisch, proposed that honeybees use dance (the"waggle dance") as a coded message to guide other bees to new food sources. However, some scientists did not accept von Frisch's theory. Using harmonic radar, scientists have now tracked the flight of bees that had attended a "waggle dance" and found that they flew straight to the vicinity of the feeding site, as predicted by von Frisch, resolving the controversy.

Bee with radar attached.
Credit: Image courtesy of Biotechnology and Biological Sciences Research Council and Rothamsted Research

A paper published in Nature on May 12th (1) provides new data that resolves a long-standing scientific controversy. In the 1960s, Nobel Prize winning zoologist, Karl von Frisch, proposed that honeybees use dance (the“waggle dance”) as a coded message to guide other bees to new food sources. However, some scientists did not accept von Frisch’s theory. Using harmonic radar, scientists, funded in part by the UK’s Biotechnology and Biological Sciences Research Council (BBSRC) have now tracked the flight of bees that had attended a “waggle dance” and found that they flew straight to the vicinity of the feeding site, as predicted by von Frisch. The tracks allowed the scientists to determine how accurately bees translate the dance code into successful navigation, and showed that they correct for wind drift even when en route to destinations they have never visited before.

If a honeybee worker discovers a good feeding site it is believed that she informs her nest mates through a dance that describes the distance and direction of the feeding site. This ‘dance language’ was first described by Karl von Frisch in the 1960s but his experiments also showed that bees that had attended the dance (recruits) took far longer to get to food than would be expected. This time delay caused other scientists to argue that the recruits did not read the abstract code in the dance at all, but found the food source simply by tracking down the smell that they had picked up from the dancing bee. Another suggestion was that recruits simply followed the dancer when she flew back to the food, and then other bees joined in. The controversy has persisted because prior to the advent of harmonic radar, no one could show exactly where the recruits flew when they left their hives.

The scientists watched the waggle dance occurring in a glass observation hive and identified recruits. They captured these recruits as they left the hive, attached a radar transponder to them and then tracked their flight paths using harmonic radar. Most recruited bees undertook a flight path that took them straight to the vicinity of the feeding site where they all spent a lot of time in searching flights, trying to locate its exact position. This searching behaviour accounts for the time lag that caused the original controversy.
In another set of experiments, bee recruits leaving the hive were taken to release sites up to 250m away. These bees flew, not to the feeding site, but in the direction that would have taken them to the feeding site had they not been displaced from the hive. This result adds weight to von Frisch’s original theory and allows alternative hypotheses about bee behaviour to be firmly discounted.

Notes to Editors

1. The flight paths of honeybees recruited by the waggle dance' Nature J. R. Riley (a), U. Greggers (b), A. D. Smith (a), D. R. Reynolds(c) & R. Menzel (b)
1. Plant and Invertebrate Ecology Division, Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
2. Freie Universität Berlin, Fachbereich Biologie, Chemie, Pharmazie, Institut für Biologie - Neurobiologie, 28-30 Königin-Luise-Strasse, D-14195, Berlin, Germany
3. Plant, Animal and Human Health Group, Natural Resources Institute, University of Greenwich, Central Avenue, Chatham, Kent ME4 4TB, UK.
2. Data analysis and writing up was supported by the Leverhulme Trust Emeritus Fellowship programme. The research was carried out with joint funding from the Deutsche Forschungsgemeinschaft and the Biotechnology and Biological Sciences Research Council of the United Kingdom (BBSRC). Rothamsted Research receives grant aided assistance from the BBSRC.
3. Rothamsted Research (www.rothamsted.ac.uk) is one of the largest agricultural research institutes in the country and is sponsored by the BBSRC.

About BBSRC

The Biotechnology and Biological Sciences Research Council (BBSRC) is the UK funding agency for research in the life sciences. Sponsored by Government, BBSRC annually invests around £300 million in a wide range of research that makes a significant contribution to the quality of life for UK citizens and supports a number of important industrial stakeholders including the agriculture, food, chemical, healthcare and pharmaceutical sectors. http://www.bbsrc.ac.uk


Story Source:

The above story is based on materials provided by Biotechnology and Biological Sciences Research Council. Note: Materials may be edited for content and length.


Cite This Page:

Biotechnology and Biological Sciences Research Council. "Waggle Dance Controversy Resolved By Radar Records Of Bee Flight Paths." ScienceDaily. ScienceDaily, 12 May 2005. <www.sciencedaily.com/releases/2005/05/050512114116.htm>.
Biotechnology and Biological Sciences Research Council. (2005, May 12). Waggle Dance Controversy Resolved By Radar Records Of Bee Flight Paths. ScienceDaily. Retrieved July 29, 2014 from www.sciencedaily.com/releases/2005/05/050512114116.htm
Biotechnology and Biological Sciences Research Council. "Waggle Dance Controversy Resolved By Radar Records Of Bee Flight Paths." ScienceDaily. www.sciencedaily.com/releases/2005/05/050512114116.htm (accessed July 29, 2014).

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