Document Detail


Patterns of acoustic variation in Cicada barbara Stål (Hemiptera, Cicadoidea) from the Iberian Peninsula and Morocco.
MedLine Citation:
PMID:  18062838     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Field recordings of the calling song and of an amplitude modulated signal produced by males of Cicada barbara from North Africa and the Iberian Peninsula were analysed in order to assess the geographical acoustic variation and the potential usefulness of acoustic data in the discrimination of subspecies and populations. Sound recordings were digitized and the frequency and temporal properties of the calls of each cicada were analysed. In all regions studied, peak frequency, quartiles 25, 50 and 75% and syllable rate showed low coefficients of variation suggesting inherent static properties. All frequency variables were correlated with the latitude, decreasing from south to north. In addition, most acoustic variables of the calling song showed significant differences between regions, and PCA and DFA analyses supported a partitioning within this species between Iberian Peninsula+Ceuta and Morocco, corroborating mtDNA data on the same species. Therefore, the subspecific division of C. barbara into C. barbara barbara from Morocco and C. barbara lusitanica from Portugal, Spain and Ceuta finds support from the present acoustic analyses, a result which is also reinforced by molecular markers.
Authors:
G A Pinto-Juma; S G Seabra; J A Quartau
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-12-07
Journal Detail:
Title:  Bulletin of entomological research     Volume:  98     ISSN:  0007-4853     ISO Abbreviation:  Bull. Entomol. Res.     Publication Date:  2008 Feb 
Date Detail:
Created Date:  2008-01-23     Completed Date:  2008-11-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2984715R     Medline TA:  Bull Entomol Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  1-14     Citation Subset:  IM    
Affiliation:
School of Biosciences, Cardiff University, Cardiff CF10 3US, Wales, UK. jumag@cf.ac.uk
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MeSH Terms
Descriptor/Qualifier:
Animals
Ecosystem
Geography
Hemiptera / physiology*
Male
Morocco
Oscillometry / veterinary
Portugal
Principal Component Analysis
Sound Spectrography / veterinary
Spain
Temperature
Time Factors
Vocalization, Animal / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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