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10-Minute Paper

Plant-Insect Ecosystems

P-IE: IPM - General

Evaluation of fluorescent markers for navel orangeworm mark-release-recapture research in California tree nuts

Wednesday, November 8, 2023
9:00 AM – 9:12 AM ET
Location: Gaylord National Resort & Convention Center, Maryland C
In-Person
Navel orangeworm (NOW) (Pyralidae: Amyelois transitella) is a key pest of almonds and pistachios in California. Recent studies have been initiated to explore the use of sterile insect technique (SIT) for managing this pest. To develop a successful sterile insect technique (SIT) program for the navel orangeworm, finding a reliable marker to track the released moths is important. We evaluated different colors of the SmartWater fluorescent markers for marking navel orangeworms. Our results indicated that green and yellow SmartWaters had the potential to be markers for the navel orangeworm because these two markers did not cause negative effects on the moths’ flight performance and did not cause any significantly higher mortality compared to the water treatment.