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Fig. 7 | BMC Evolutionary Biology

Fig. 7

From: Genetic divergence, population differentiation and phylogeography of the cicada Subpsaltria yangi based on molecular and acoustic data: an example of the early stage of speciation?

Fig. 7

Comparison of calling song structure of populations of S. yangi. a comparison of power frequency spectrum of F1 and F2 of four populations (mean ± SD). b comparison of duration from a timbal sound to a stridulatory sound of four populations (data show mean ± SD)

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