Cicadetta petryi Schumacher, 1924

Selection of calling song of Cicadetta petryi recorded by T. Hertach at Mount San Giorgio, Switzerland

Same as above but frequency reduced by 50% for easy listening...

References:
Boulard M., 1995. Postures de cymbalisation, cymbalisations et cartes d’identité acoustique des cigales. 1.- Généralités et espèces méditerranéenes (Homoptera Cicadoidea). EPHE Biol. Evol. Insectes 7/8: 1-72.PDF
(under the name C. montana!).

Hertach, T. (2007). "Three species instead of only one: Distribution and ecology of the Cicadetta montana species complex (Hemiptera: Cicadoidea) in Switzerland." Mitteilungen der Schweizerischen Entomologischen Gesellschaft 80: 37-61. PDF

Hertach T, Puissant S, Gogala M, Trilar T, Hagmann R, Baur H, et al. (2016). Complex within a Complex: Integrative Taxonomy Reveals Hidden Diversity in Cicadetta brevipennis (Hemiptera: Cicadidae) and Unexpected Relationships with a Song Divergent Relative. PLoS ONE 11(11): e0165562. doi:10.1371/journal.pone.0165562
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0165562

Schumacher F. Auftreten der Bergzikaden in der Mark Brandenburg und Übersicht über die deutschen Formen (Hem. Homopt.). Berl. Entomol Z. 1924; 4: 329–334.

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