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Interspecific differences of stridulatory signals in three species of bark beetles from the genus Polygraphus Er. (Coleoptera: Curculionidae, Scolytinae) inhabiting the island of Sakhalin

1 Institute of Monitoring of Climatic and Ecological Systems SB RAS, Tomsk, Russian Federation
2 Department of Forestry and Landscape Construction, Tomsk State University, Tomsk, Russian Federation
DOI
10.7287/peerj.preprints.27697v1
Published
Accepted
Subject Areas
Animal Behavior, Entomology
Keywords
bark beetle, acoustic signals, stridulation, interspecific signals, chirp
Copyright
© 2019 Kerchev
Licence
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ Preprints) and either DOI or URL of the article must be cited.
Cite this article
Kerchev IA. 2019. Interspecific differences of stridulatory signals in three species of bark beetles from the genus Polygraphus Er. (Coleoptera: Curculionidae, Scolytinae) inhabiting the island of Sakhalin. PeerJ Preprints 7:e27697v1

Abstract

Stridulatory signals are involved in conspecific interactions between bark beetles (Coleoptera: Curculionidae, Scolytinae). In this study, we compared the qualitative profiles of acoustic signals in three species from the genus Polygraphus Er. Sympatry can be periodically observed in two of them – P. proximus and P. subopacus. Sporadically they occur on the same plants. P. nigrielytris colonize distinctly different host plant species; however, on the island of Sakhalin it inhabits the same biotopes. The purpose of the study is to identify species-specific parameters and the extent of differences in stridulatory signals of these species. Airborne signals produced during the contact of males of the same species were experimentally recorded. Among tested parameters of stridulatory signals, as the most species-specific were noted: chirp duration, interchirp interval, number of tooth-strikes per chirp, and intertooth-strike interval.

Author Comment

This is a submission to PeerJ for review.

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Ivan Andreevich Kerchev conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Data Deposition

The following information was supplied regarding data availability:

Data is available at figshare https://figshare.com/s/e7cae30841be3fc44d43

Funding

This work was supported by the Russian Science Foundation (grant № 17-74-10034). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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Interspecific differences of stridulatory signals in three species of bark beetles from the genus Polygraphus Er. (Coleoptera: Curculionidae, Scolytinae) inhabiting the island of Sakhalin
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