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Data and code from: Mind if I chime in? Sexually competitive females under Darwinian sex roles: A case study with Enchenopa treehoppers (Hemiptera: Membracidae)

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Jun 17, 2026 version files 55.76 KB

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Abstract

We experimentally manipulated the presence of another unmated female in two experiments, using live males and artificial playbacks of male signals, respectively. In the experiment using live males, we recorded all observed behaviors and the time of mating. We found that females were quicker to mate with a male if another unmated female was present. In the artificial playback experiment, we recorded the number of responses and response length of females to artificial male signals. We found that individual females became more responsive to males regardless of male quality and had lower preference strength when another unmated female was present.