Cicadetta brevipennis brevipennis Fieber 1876
Selection of the song of Cicadetta brevipennis brevipennis from Monte Amiata, recorded by T. Hertach.
C. b. brevipennis same selection as above, but frequency reduced by 50%
References:
Gogala M. and Trilar T. 2004. - Bioacoustic investigations and taxonomic consideration on the Cicadetta montana species complex (Homoptera: Cicadoidea: Tibicinidae). An. Acad. Bras. Cienc. 76 (2): 316-324. 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
Trilar, T., M. Gogala, et al. (2006)*. Contribution to the knowledge of the singing cicadas (Auchenorrhyncha: Cicadoidea) of Romania. Acta entomologica slovenica 14 (2): 175-182. PDF
Trilar T., Holzinger W.E., 2004. Bioakustische Nachweise von drei Arten des Cicadetta montana-Komplexes aus Österreich (Insecta: Hemiptera: Cicadoidea). Linzer biol. Beitr. 36 (2): 1383-1386.
*The exact identity of C. brevipennis from Romania has still to be investigated.