Movement response of the web of Araneus diadematus Cl. exhibits resonance from 20 to 30 Hz when placed in a sound field of at least 60 dB SPL. Virtually no movement of the web occurred for frequencies above 50 Hz (up to 20000 Hz). Hence it is unlikely that the orb−web serves an an acoustic detector for the approach of flying insects. Subject Classification: 80.45, 80.50.
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Finck et al. (1975) studied this question.
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