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Selective attention by priming in host search behavior of 2 generalist butterflies

Author

Listed:
  • Gabriella Gamberale-Stille
  • Alexander Schäpers
  • Niklas Janz
  • Sören Nylin

Abstract

We show that females of 2 generalist butterflies improve their search efficacy after previous encounters of the same host in a way similar to search-image formation, especially if the butterfly–host relationship is historically old. Thus, by targeting a single host at a time, host search efficacy may be improved and constitute a selection pressure for specialization. This result can help explain the evolutionary trend toward host specialization in phytophagous insects that is not well understood.

Suggested Citation

  • Gabriella Gamberale-Stille & Alexander Schäpers & Niklas Janz & Sören Nylin, 2019. "Selective attention by priming in host search behavior of 2 generalist butterflies," Behavioral Ecology, International Society for Behavioral Ecology, vol. 30(1), pages 142-149.
    • Handle: RePEc:oup:beheco:v:30:y:2019:i:1:p:142-149.
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    File URL: http://hdl.handle.net/10.1093/beheco/ary146
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