Psorodonotus davisi Karabag , 1956

Sirin, Deniz, Taylan, Mehmet Sait & Mol, Abbas, 2014, First song descriptions of some Anatolian species of Tettigoniidae Krauss, 1902 (Orthoptera, Ensifera), ZooKeys 369, pp. 1-24 : 13

Psorodonotus davisi Karabag, 1956

Distribution.

Endemic for Turkey - North East Anatolia (Figure 12a) ( Karabağ 1956, Karabağ 1958)

Song recording.

Male specimens collected from Turkey, Rize, Ovit Dağı, 1600 m, 20.X.2005, 40°38.626'N, 40°44.234'E, (by A. Mol) and calling song recorded from two males at 24 °C in the field (by A. Mol).

Description of song.

Totally six records from two males were examined. The calling song includes rarely one usually several isolated syllables (Figure 12b) with an interval 387-632 ms (526 ± 0.07). Syllable duration varies between 101-117 ms (110 ± 4.21). Oscillographic analyses showed that each syllable follows generally two cycles (Figure 12c, 12d). First cycle lasts 65-71 ms (68.71 ± 2.42) and contains two similar quieter parts (each of 15-20 ms) and a louder part [20-28 ms (24.28 ± 2.57)]. Second cycle of syllables varies between 31-40 ms (36.72 ± 2.23) and includes a pulse like quieter part [8-14 (11.45 ± 2.89)] and a louder part which lasts 16 to 24 ms (18.72 ± 3.12).