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Use of Harmonic Radar Systems for Entomological Research: a Case Study with Riptortus pedestris
The use of radar systems for entomological research offers new opportunities that allow continuous tracking of individual insects in natural settings. In particular, harmonic radar systems can be applied for small animals such as insects because the radar tag does not rely on battery power, allowing them to be light weight. To apply this technology, it is essential to develop procedures to securely attach radar tags on target insects and thereafter demonstrate no adverse effects of radar tag attachment on insect survivorship and behaviors. In this study, we developed procedures to securely attach harmonic radar tags on adult Riptortus pedestris (Fabricius) (Hemiptera: Alydidae) and verified there were no detectable adverse effects of radar tagging on R. pedestris survivorship and walking or flight capacity. With the radar technique, future studies will focus on understanding dispersal capacity and pattern of R. pedestris in diverse landscapes. This will help enhance monitoring and management programs for this pest.
