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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Effects of temperature on the song parameters of the Moroccan bushcricket Eugaster spinulosa (Orthoptera, Tettigoniidae)
Bioacoustics, Volume 21, No. 3, Year 2012
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Description
Acoustic signals are important for inter- and intraspecific interactions in many species. Their information potential depends largely on species characteristics. Here we describe quantitatively the song of Eugaster spinulosa (Johannson 1763), (Orthoptera, Tettigoniidae) and analyse the relationships of song parameters with temperature. To the best of our knowledge there are no previous descriptions available of the song of any species in the genus. Songs of seven males from the mountains of Jebilet, Marrakech (Morocco), were recorded in a semi-anechoic chamber for 105 days. Using automated thermal tables, individuals were exposed to a daily cycle of temperatures between 17.5 and 41.5°C. The calling song of Eugaster spinulosa is broader in frequency (2-28 kHz) than the song of other tettigoniids. It consists of extended series of separately audible echemes, which are polysyllabic and comprise a variable number of broadband syllables, usually between 5 and 10. The stridulatory activity of Eugaster spinulosa showed a wide thermal plasticity (ranging over 24°C between thermal thresholds). In addition to changes in temporal features, we found that an increase in temperature reduced the number of syllables per echeme. © 2012 Taylor & Francis.
Authors & Co-Authors
Arias, Antón
Spain, Madrid
Csic - Museo Nacional de Ciencias Naturales Mncn
Márquez, Rafael
Spain, Madrid
Csic - Museo Nacional de Ciencias Naturales Mncn
Llusia, Diego
Spain, Madrid
Csic - Museo Nacional de Ciencias Naturales Mncn
Beltrán, Juan F.
Spain, Sevilla
Universidad de Sevilla
Slimani, Tahar
Morocco, Marakech
Université Cadi Ayyad
Radi, Mohamed
Morocco, Marakech
Université Cadi Ayyad
Fattah, Abderazzak
Morocco, Marakech
Université Cadi Ayyad
El Mouden, El Hassan
Morocco, Marakech
Université Cadi Ayyad
Statistics
Citations: 8
Authors: 8
Affiliations: 3
Identifiers
Doi:
10.1080/09524622.2012.686185
ISSN:
09524622
Study Locations
Morocco