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Figure 3 | Frontiers in Zoology

Figure 3

From: A meal or a male: the ‘whispers’ of black widow males do not trigger a predatory response in females

Figure 3

Playback design and original vibrations used during playback. (a) Schematic drawing of the experimental design for vibration playbacks. A looped male vibration and a looped house fly vibration were played back at low and high amplitude by a modified loudspeaker (S) placed in contact with the web 15 cm away from a Latrodectus hesperus female in her hunting position; (b) Original male abdominal tremulation vibration used to generate the input vibrations played back with the speaker. Oscillograms depict velocity [mm/s] over time [s] (upper panel) and frequency [Hz] (lower panel); (c) Original fly vibration used to generate the input vibrations played back with the speaker. Oscillograms depict velocity [mm/s] over time [s] (upper panel) and frequency [Hz] (lower panel).

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