Abstract
The intersexual drumming signals of four stonefly species from Corsica (France) are described. The male call signal of Isoperla insularis (Morton, 1930) consists of a repetition of short monophasic calls or sequences. Because the female answer is not yet known, it is uncertain if the male call signal should be considered as a repeated monophasic call signal pattern or a grouped call signal pattern. The duet of Protonemura bucolica (Consiglio, 1957) is a two-way exchange with monophasic grouped call and monophasic answer, showing the same general pattern of other Protonemura species. Capnioneura petricola Giudicelli, 1967 has a classic Capnioneura signal with monophasic call and answer signals overlapping. The Tyrrhenoleuctra zavattarii (Consiglio, 1956) duet, the second three-way signal exchange described in the family Leuctridae, has monophasic grouped male call and reply, and monophasic female answer. Drumming signals of the studied species are compared with those of some congeneric European species.
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