Abstract
We investigated the sound communication associated with mating inNezara viridula (L.) to clarify conflicting reports on the medium through which acoustic signals are borne. Recordings made from virgin pairs ofN. viridula during precopulatory and compulatory behaviour have revealed that signals transmitted as vibrations through the substrate are a more likely means of communication than signals transmitted by a radiation of sound pressure waves through the air (at least in Australian populations). We present evidence (additional to that already in the literature) that air-borne acoustics are an unlikely mechanism of sexual communication in this species. Specifically, the recorded pulse train patterns showed no consistency or repeatability in relation to different stages of mating behaviour. In contrast, frequency spectrograms of substrate-borne signals reveal repeatable patterns that do correspond with the stage of mating behaviour.
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Ryan, M.A., Walter, G.H. Sound communication in Nezara viridula (L.) (Heteroptera: Pentatomidae): Further evidence that signal transmission is substrate-borne. Experientia 48, 1112–1115 (1992). https://doi.org/10.1007/BF01948000
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DOI: https://doi.org/10.1007/BF01948000