Contributions to the study of acoustic signals of grasshoppers (Orthoptera, Acrididae, Gomphocerinae) from Russia and adjacent countries. 1. New recordings of the calling songs of grasshoppers from Russia and adjacent countries.

M. A. Bukhvalova (1), V. Yu. Vedenina (2)

(1) Zoological Museum of M.V.Lomonosov Moscow State University, Bol'shaya Nikitskaya, 6, Moscow, 103009 RUSSIA.
(2) Institute for Information Transmission Problems, Russian Academy of Sciences, Bol'shoy Karetnyi per., 19, Moscow, 101447 RUSSIA.

ABSTRACT. Calling signals of 24 species of Gomphocerinae grasshoppers (Orthoptera, Acrididae) from Russia and adjacent territories are described and illustrated with oscillograms at different speeds. Oscillograms of the songs of 13 species are published for the first time, signals of 8 species were previously described only in the specimens from west-european populations.