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Optimized design of repellents for Apolygus lucorum based on dodecanal and dimethyl disulfide
Juan Wu1, Dong Teng2, Yong Xiao2,3
1School of Agriculture and Life Science, Shanxi Datong University, Datong, China.
Background:
The green mirid bug, Apolygus lucorum, causes severe damage to multiple hosts plants, leading to significant losses. Leveraging the olfactory perception mechanisms of the green mirid bug, the development of repellents is a promising avenue for advancing a pest management strategy grounded in chemical ecology.
Results:
In this study, a blend of dodecanal and dimethyl disulfide (DMDS) in a 10:1 ratio was evaluated as the optimal composite repellent, compared with the two compounds separately and other mixtures based on these two compounds. Moreover, we developed a sustained-release system with mineral oil diluted tenfold as the carrier, and polyethylene sustained-release vials as the container, that achieved a prolonged effectiveness of up to 45 days. A further field trial demonstrated that the composite repellent not only significantly repelled A. lucorum adults, but also effectively repelled their nymphs as well as other mirid species adults.
Conclusion:
These findings contribute green and environmentally friendly strategies for field control of the green mirid bug, while also offering novel perspectives for the development of other insect behavior modifiers. © 2026 Society of Chemical Industry.
