The songs of the western European bush-crickets of the genus Platycleis in relation to their taxonomy (Orthoptera: Tettigoniidae)

The calling songs of 1 1 species of the decticine genus Platycleis s.l. (including Sepiana, Tessellana and Montana) are described and fully illustrated with oscillograms at three or four different speeds. For each species a list is provided of references to any past work published on the songs, classified according to the kind of information given. Notes on recognition, using both morphology and song, are given for each species, and two identification keys are provided, one based on morphology and the other on song. The value of the song as a taxonomic character is discussed.