Sound production in bark and ambrosia beetles (2019)
AuthorsBedoya, C.L., Hofstetter, R.W., Nelson, X.J., Hayes, M., Miller, D.R., Brockerhoff, E.G.show all
© 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group. Bark and ambrosia beetles and pinhole borers (Coleoptera: Curculionidae: Scolytinae and Platypodinae) are two subfamilies of weevils that use acoustic communication within plant tissue. These insects transmit and detect sound in a medium that is neither air nor water and they are among the smallest animals with sound-producing organs. Nevertheless, their sound production is sorely understudied, mostly due to the difficulties associated with acoustically monitoring individuals inside plants. We analysed the stridulatory sounds from 55 bark and ambrosia beetle species within 15 subtribes collected in four countries, making this the largest acoustic dataset of these taxa to date. We characterised and compared the amplitude and spectro-temporal parameters of the distress airborne signals produced by the beetles, in conjunction with phenology and life history data. Sound production was present in 33% of the collected species, of which 60% of these sounds had not been previously reported. Depending on species, either both sexes stridulated or only one. Some species had calls with different acoustic morphotypes (one, two, or three notes), and when both sexes stridulated, sounds generally differed. Our data suggest that type of mating system and size play an important role in determining the acoustic communicatory capacity of most species.
CitationBedoya CL, Hofstetter RW, Nelson XJ, Hayes M, Miller DR, Brockerhoff EG (2019). Sound production in bark and ambrosia beetles. Bioacoustics. 1-16.
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KeywordsAcoustic communication; bioacoustics; Curculionidae; insect; stridulation; weevil
ANZSRC Fields of Research06 - Biological Sciences::0608 - Zoology::060808 - Invertebrate Biology
06 - Biological Sciences::0608 - Zoology::060801 - Animal Behaviour