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Fig. 2. Spectral peak position (mean ± S.D.) and
relative amplitude (re: 0 dB dominant frequency) of artificially induced
female calling-song pulse trains recorded from a bean ipsilateral stalk (A),
contralateral stalk (B), stem close to the crossing (C) and middle of the stem
(D). Spectral peak positions of the female calling-song stimulus (reference)
signals of the Slovene and French population (left and right, respectively)
are shown in (E).