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Figure 9


Fig. 9. Scraper profiles and their association with two types of resonant stridulatory mechanism: long-pulse and short-pulse. Each transverse section is taken normal to the scraper edge. (A) Two species producing pure-tone pulses below 40 kHz. (B) Two species producing extreme ultrasonics (>60 kHz) as short-spaced pulse trains. Note the distinctive morphology proximad of the scraper (red areas): the very modest extent of thinner (presumably more flexible) wing areas in A compared with their elaboration relative to increasingly massive veins in B. A1, A2, A3 indicate anal veins.





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