“…leaves and stems of host plants [Ichikawa, Ishii, 1974]. Investigation of signals of Javesella Fennah, 1963, Muellerianella Wagner, 1963, Ribautodelphax Wagner, 1963, Chloriona Fieber, 1866, and species from some other genera showed that the calling signals in this subfamily for the most part are rather complex phrases consisting of several different elements [ de Vrijer, 1984de Vrijer, , 1986Booij, 1982;den Bieman, 1986den Bieman, , 1987Strübing, Rollenhagen, 1988; de Winter, Rollenhagen, 1990; Gillham, de Vrijer, 1995].…”