Expert elicitation of detection rates of stem pest in grain crops with and without sUAS. Expert elicitation when used correctly can be used to estimate the likelihood of a surveillance strategy or method detecting plant pests. When provided with a case study utilising UAV imagery to identify regions of aphid feeding damage, the mean expert estimate of detection of a similar stem pest, significantly increased from 0.4 to 0.78 with a higher level of confidence. These results indicate again the potential for a combined surveillance approach using UAVs to rapidly survey large areas and provide near real-time information to identify areas for on-ground inspection. This approach would not only increase the early detection of plant pests but optimise search effort.
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