Extracted features from opto-acoustic audio recordings of aphids and beetles

Hassall, KirstyORCID logo, Dye, Alex and Bell, JamesORCID logo (2020) Extracted features from opto-acoustic audio recordings of aphids and beetles. [Data Collection]
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Opto-acoustic recorders have been utilised to record the flight of weak-flying insects including aphids (Hemiptera: Aphididae) and beetles (Coleoptera). These data include 52 extracted features from 4928 audio recordings collected in 2019 and 2020 of 8 distinct species.
Item Type Data Collection
Creators Hassall, Kirsty, Dye, Alex, Bell, James
Keywords Aphididae; Coleoptera; statistical data; sound; acoustics
Project BBSRC Strategic Programme in Smart Crop Protection, The Rothamsted Insect Survey - National Capability [2017-2023]
Date 2020
Data collection method Opto-acoustic recorders capture the variation of light when an insect passes through a light beam. Both the main body and the wings cast a shadow in the emitter’s light beam, known as the extinction of light principle, and this shadow is subsequently detected by a receiver photodiode array (14). The Wingbeat Recorder® (Insectronics, Chania, Crete, Greece) was placed underneath a 15,000 ml heavy-walled glass beaker (Duran™). Insects were collected and placed inside the beaker. Over a period of two days, insects were free to disperse in and around the sensor. Flights were automatically triggered as an insect enters the field of view of the LED array, generating a recording lasting 0.6 seconds. All flights were saved as an audio file on an SD card within the sensor along with average temperature and humidity covariates. These audio recordings were subject to internal signal processing (Potamitis I, Rigakis I. Large aperture optoelectronic devices to record and time-stamp insects’ wingbeats. IEEE Sensors Journal. 2016;16(15):6053-61.) after which an extensive data processing pipeline as described in Hassall et al (In Preparation) was applied to extract the 52 features contained in this dataset.
Additional information These data were collected to inform aphid and beetle species classification (Hassall et al. In preparation).
Publisher Rothamsted Research
Digital Object Identifier (DOI) 10.23637/rothamsted.981w8

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