Feasibility of Acoustic detection and examine a range of operating temperature Sawtoothed (Oryzaephilus surinamensis) (Col. Silvanidae)

Document Type : Research Paper

Authors

Abstract

With advanced equipment and development of software in the field of audio signals, it is now possible to record and register the sounds of tiny insects. Subsequently the acoustic features of the insects’ sounds can be extracted and then can be used for insect detection within the storage of bulk materials. One of the big challenge in receiving the audio signals emitted from the tiny insects is their low sound level. The designed audio system utilizes a piezoelectric acoustic sensor for receiving audio signals of the pest which is rice Sawtoothed (Oryzaephilus surinamensis) (Col. Silvanidae) along with a temperature control system. Two audio signals (walking and feeding) of Sawtoothed were captured by the sound system. The audio frequency of Sawtoothed for feeding and walking were 2.1 kHz and 2.8 kHz, respectively. By changing the ambient temperature, it is found that the best temperature range for the pest activity ranged between 25 °C to 27 °C. It was also observed that the pest activity is stopped at temperature below 10 °C. Such a system may be installed within the storages of bulk rice for early detection and other management decision making of the rice Sawtoothed.

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References

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Iranian Journal of Biosystems Engineering
Volume 48, Issue 1
May 2017
Pages 117-111

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History

  • Receive Date: 07 August 2016
  • Revise Date: 01 November 2016
  • Accept Date: 03 January 2017

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