Analysis of the stridulation in Solifuges (Arachnida: Solifugae)

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Title in English Analysis of the Stridulation in Solifuges (Arachnida: Solifugae)
Authors

MARTIŠOVÁ Martina PEKÁR Stanislav GROMOV Alexander

Year of publication 2008
Type Article in Periodical
Magazine / Source Journal of Insect Behavior
MU Faculty or unit

Faculty of Science

Citation
Field Zoology
Keywords solifugy; stridulace
Description 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.
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