Decoding the chemical conversation: amino‐oligosaccharides induce rice volatiles to modify host selection of the egg parasitoid <scp> <i>Trichogramma japonicum</i> </scp>

AOS primes rice defense responses but reduces parasitoid recruitment, unveiling a trade-off between direct and indirect plant defenses. The identification of key behaviorally active volatiles and their dose-dependent effects provide novel insights into plant-insect chemical ecology. These findings deepen our understanding of the ecological consequences of plant immunity inducers and lay the foundation for precision plant protection strategies that balanced resistance with conservation biological control. © 2026 Society of Chemical Industry.