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Journal of Insect Behavior

, 21:440 | Cite as

Analysis of the Stridulation in Solifuges (Arachnida: Solifugae)

  • Martina Hrušková-Martišová
  • Stano Pekár
  • Alexandr Gromov
Article

Abstract

Stridulation in solifuges has not been investigated yet. We performed a comparative analysis of the stridulatory organs and sounds produced by juveniles of various developmental stages and adults (both sexes) of Galeodes caspius subfuscus Birula. The stridulatory organ is of similar morphology in all developmental stages. The sound that they produced was a broad frequency hissing, composed of one or two chirps with maximum at 2.4 kHz. The intensity of the sound was found to increase with body size. Otherwise, no differences were observed between stridulation in juvenile, male and female individuals. Therefore, we suggest that the stridulation in solifuges has primarily a defensive role. As solifuges are neither venomous nor unpalatable, they might imitate an accoustically aposematic organism that shares the same habitat and has similar circadian activity, e.g. vipers. It may also have an intraspecific function in reduction of cannibalistic tendencies.

Keywords

Camel-spiders defensive behaviour sound production stridulatory organ warning sound 

Notes

Acknowledgements

The study was supported by NATO-Science project no. LST.CLG.980430 and the projects no. ME851 and 0021622416 of the Ministry of Education, Youth and Sports of the Czech Republic. MH was also supported by project no. 20061431C008 of the Masaryk University.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Martina Hrušková-Martišová
    • 1
  • Stano Pekár
    • 1
  • Alexandr Gromov
    • 2
  1. 1.Department of Botany and ZoologyMasaryk UniversityBrnoCzech Republic
  2. 2.Institute of ZoologyAlmatyKazakhstan

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