Bioacoustics of poorly known Poecilimon taxa (Insecta: Orthoptera: Tettigoniidae with redescriptions of P. pechevi and P. stschelkanovzevi Author Chobanov, Dragan P. Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Boulevard, 1000 Sofia, Bulgaria. dchobanov @ gmail. com; https: // orcid. org / 0000 - 0002 - 1642 - 0363 Author Sevgili, Hasan Ordu University, Faculty of Art & Science, Department of Molecular Biology and Genetics, 52200, Ordu, Turkey. hsevgili @ gmail. com; https: // orcid. org / 0000 - 0002 - 7289 - 6243 Author Heller, Klaus-Gerhard Grillenstieg 18, 39120 Magdeburg, Germany. heller. volleth @ t-online. de; https: // orcid. org / 0000 - 0002 - 3331 - 3228 Corresponding author text Zootaxa 2020 2020-12-04 4890 4 535 553 journal article 9395 10.11646/zootaxa.4890.4.6 c56b52d2-7116-4c12-999e-208038832eb8 1175-5326 4306571 36C04F2C-4C96-4C72-A746-01EB7ADDD167 Poecilimon haydari Ramme, 1951 ( armeniacus -group) TURKEY : Niğde , Bolkar Mt. , Maden Köyü , 1278 m ( 37.50763ºN , 34.59105ºE ) & Kanagol Lake , 1950 m ( 37.45749ºN , 34.60315ºE ), xeromesophyte grass associations, 17.06.2014 , nymphs last instar and imago, leg. D. Chobanov , 1 male recorded ( Fig. 6 , 7 ), stridulatory file studied ; Niğde , Ulukısla , 24.06.2001 , leg. H. Sevgili , 1 male recorded ; Niğde , Buldurus (pass in Ala Dagh ) ( 37.9667°N , 35.0167°E ), 3.07.2002 , leg. K.-G. Heller , 1 male recorded ; Konya , Kizkayasi Mts. , north of Konya , 1700 m ( 38.1333°N , 32.5167°E ), 29.06.2002 , leg. K.-G. Heller , 1 male recorded ; Konya , west of Konya ( Erenkaya ), Bulumya yaylasi, 1500 m ( 37.7332°N , 32.1332°E ), 30.06.2002 , leg. K.-G. Heller , 1 male recorded . The song is quite similar to that of P. armeniacus . The males produced series with a quite variable duration of 20.0± 22.5 s (n=11; range 2.4–75 s) at intervals of 12.2±6.3 (n=3) s. A series contained on average 200 syllables (SRR 12.6 Hz; T =25–29ºC; Fig. 6 ). The syllables had a duration of 51.6±3 ms (n=7) and contained 5.6±0.7 (n=7) impulses, resulting in a mean interval of 10.4 ms between the impulses ( Fig. 7 ). The spectrum of the song had its peak between 30 and 40 kHz ( Fig. 9 ; high pass filter 12 kHz) For details of the stridulatory file see Table 2 , Fig. 5 .