Rapid Establishment of a Regular Distribution of Adult Tropical Drosophila Parasitoids in a Multi-Patch Environment by Patch Defence Behaviour
2011

Patch Defense Behavior in Tropical Drosophila Parasitoids

Sample size: 20 publication Evidence: high

Author Information

Author(s): Peter W. de Jong, Lia Hemerik, Gerrit Gort, Jacques J. M. van Alphen

Primary Institution: Wageningen University

Hypothesis

The study investigates how patch defense behavior affects the distribution of adult tropical Drosophila parasitoids in a multi-patch environment.

Conclusion

The study found that A. citri females quickly established a regular distribution across patches due to their patch defense behavior, while A. tabida females exhibited a clumped distribution.

Supporting Evidence

  • A. citri females reached a regular distribution across patches quickly.
  • A. tabida females initially showed a clumped distribution.
  • Fighting behavior was significantly associated with a decrease in the number of parasitoids on a patch.

Takeaway

Some wasps fight to protect their food spots, which helps them spread out evenly, while others just crowd together and share.

Methodology

The experiment involved releasing 20 female parasitoids from two points into an arena with 16 patches and observing their distribution and fighting behavior.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0020870

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