Acoustic Signals of Katydids of the Tribe Gampsocleidini (Orthoptera, Tettigoniidae) in Russia

Temporal patterns and frequency spectra of the acoustic calling signals of males of Uvarovites inflatus and four species of the genus Gampsocleis occurring in Russia are described. Katydids of the tribe Gampsocleidini are shown to be capable of producing territorial sounds. Data on the structure of the sound apparatus in four Gampsocleis species are provided.