The songs of the following species are presented: Conocephalus (Xiphidion) cinereus Thunberg, 1815, C. (X.) ictus (Scudder, 1875), C. (X.) magdalenae Nascrecki, 2000, C. (Anisoptera) strictus (Scudder, 1875), Dichopetala brevihastata Morse, 1902, D. castanea Rehn & Hebard, 1914, D. pollicifera Rehn & Hebard, 1914, Phyllophyllia guttulata Stål, 1863, Stilpnochlora azteca (Saussure, 1859), Boopedon gracile Rehn, 1904, Syrbula montezuma (Saussure, 1861) and Teniopoda tamaulipensis Rehn, 1904. Considerations on distribution, taxonomy, ethology, biodiversity and conservation are given.
acoustic behaviour, north-east Mexico, taxonomy, ethology, biodiversity, conservation, orthoptera