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Female Song Preferences Of Three Cryptic Katydids

Female Song Preferences Of Three Cryptic Katydids. Kevin Rice University of North Carolina-Asheville Department of Biology. Family Tettigoniidae . Stridulation File and scraper Species-specific calls Analyze calls to identify species. Most Tettigoniidae Male produces call

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Female Song Preferences Of Three Cryptic Katydids

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  1. Female Song Preferences Of Three Cryptic Katydids Kevin Rice University of North Carolina-Asheville Department of Biology

  2. Family Tettigoniidae • Stridulation • File and scraper • Species-specific calls • Analyze calls to identify species

  3. Most Tettigoniidae Male produces call Female moves to male Male is stationary Female is silent Phaneropterine Male produces call Female answers Female is stationary Male moves to female Tettigoniidae Mating Systems

  4. Amblycorypha • Round-headed katydids • 3 Cryptic Species • Amblycorypha alexanderi (Aa) • Amblycorypha rotundifolia (Ar) • Amblycorypha ‘craggy’ (Ac)

  5. (Aa) • (Ar) • (Ac)

  6. Hypotheses • Females prefer own song morph • Males only respond to answers from own females

  7. Ac Ar Aa

  8. Materials & Methods • Virgin females • Placed in cages • Around calling male

  9. Ac Ar Aa

  10. G = 238 P < 0.0001

  11. G = 268 P < 0.0001

  12. Females Last ditch effort Nuptial gifts Why Wrong Answers?

  13. Females Last ditch effort Nuptial gifts Males Competition Not enough time Spooked by set up Why Wrong Answers?

  14. Acknowledgements • Dr. Forrest • Casey Crowley • Cara Exten • Chris Day • Josh Day • Ashley Brooks • Ben Webster

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