Eur. J. Entomol. 114: 301-311, 2017 | DOI: 10.14411/eje.2017.037

Acoustic signals of the bush-crickets Isophya (Orthoptera: Phaneropteridae) from Eastern Europe, Caucasus and adjacent territories

Department of Entomology, Faculty of Biology, Moscow State University, 119234, Moscow, Leninskie Gory 1-12, Russia; e-mails:,,

Temporal patterns and frequency spectra of the songs and stridulatory files of 14 species of the genus of the phaneropterid bush-crickets Isophya from Eastern Europe, Altai and the Caucasus are given. The sound signals of the species studied can be separated into three main types: (1) those consisting of two syllables (Isophya gracilis, I. kalishevskii, I. schneideri, I. caspica, Isophya sp. 1); (2) one syllable and series of clicks (I. modesta rossica, I. stepposa, I. taurica, I. brunneri, I. doneciana, I. altaica); (3) single repeating syllables of uniform shape and duration (I. pienensis, Isophya sp. 2 and possibly I. stysi). The acoustic signals and behaviour of eastern European, Altai and Caucasian species are compared to those of several other European species of Isophya.

Keywords: Orthoptera, Phaneropteridae, Barbitistinae, Isophya, acoustic signals, stridulatory files, behaviour

Received: July 27, 2016; Accepted: March 23, 2017; Revised: March 23, 2017; Published online: June 9, 2017Show citation

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ZHANTIEV, R., KORSUNOVSKAYA, O., & BENEDIKTOV, A. (2017). Acoustic signals of the bush-crickets Isophya (Orthoptera: Phaneropteridae) from Eastern Europe, Caucasus and adjacent territories. Eur. J. Entomol.114(1), 2017.000. doi: 10.14411/eje.2017.037.
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