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Investigation of Acoustic Sensors to Detect

Investigation of Acoustic Sensors to Detect. Coconut Rhinoceros Beetle in Guam. Richard Mankin Aubrey Moore Robert Bourgeois Roland Quitugua. Grubs in a Rearing Box. Relative Amplitude. 3. 2. Frequency (kHz). 1. Time (s).

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Investigation of Acoustic Sensors to Detect

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  1. Investigation of Acoustic Sensors to Detect Coconut Rhinoceros Beetle in Guam Richard Mankin Aubrey Moore Robert Bourgeois Roland Quitugua

  2. Grubs in a Rearing Box Relative Amplitude 3 2 Frequency (kHz) 1 Time (s)

  3. Expanded View of Grub Signals Detected in Rearing Box Relative Amplitude 3 2 Frequency (kHz) 1 Time (s)

  4. Relative Amplitude 3 2 Frequency (Hz) 1 Periods of Stridulation by Grubs are noted at 1 (red) and 5 (blue) Time (minutes : seconds)

  5. Relative Amplitude 3 2 Frequency (Hz) 1 Expanded View of a Grub Stridulation Event Time (minutes : seconds)

  6. Relative Amplitude 3 2 Frequency (Hz) 1 Further Expansion of a Grub Stridulation Event Time (minutes : seconds)

  7. Signals Recorded from Grubs in Decaying Log near Oka Point Relative Amplitude 3 2 Frequency (Hz) 1 Stridulations Time (s)

  8. Relative Amplitude 3 2 Frequency (Hz) 1 10-s Period of Adult Beetle Sounds Recorded in Small Coconut Palm Background noise Time (s)

  9. Relative Amplitude 3 2 Frequency (Hz) 1 Adult Beetle Stridulation in Laboratory Time (s) Stridulations

  10. Relative Amplitude 3 2 Frequency (Hz) 1 Expanded View of Adult Stridulations Time (s)

  11. Relative Amplitude 3 2 Frequency (Hz) 1 Expanded View of Single Stridulation by an Adult CRB Time (s)

  12. Relative Amplitude 3 2 Frequency (Hz) 1 15-s Period of Adult CRB Activity in Small Coconut Palm Time (s)

  13. Relative Amplitude 3 2 Frequency (Hz) 1 30-s Period of Distinctive Adult CRB activity in Coconut Palm Time (s)

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