“Can you hear me?” Investigating the acoustic communication signals and receptor organs of bark beetles
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Many bark beetle (Coleoptera: Curculionidae: Scolytinae) species have been documented to produce acoustic signals, yet our knowledge of their acoustic ecology is limited. In this thesis, three aspects of bark beetle acoustic communication were examined: the distribution of sound production in the subfamily based on the most recent literature; the characteristics of signals and the possibility of context dependent signalling using a model species: Ips pini; and the acoustic reception of bark beetles through neurophysiological studies on Dendroctonus valens. It was found that currently there are 107 species known to stridulate using a wide diversity of mechanisms for stridulation. Ips pini was shown to exhibit variation in certain chirp characteristics, including the duration and amplitude modulation, between behavioural contexts. Neurophysiological recordings were conducted on several body regions, and vibratory responses were reported in the metathoracic leg and the antennae.
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Copyright © 2017 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2017
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dobai-canyouhearmeinvestigatingtheacousticcommunication.pdf | 2023-05-05 | Public | Download |