Caballero, C., López-Olguín, J., Ruiz, M., Ortego, F. and Castañera, P. 2008. Antifeedant activity and effects of terpenoids on detoxication enzymes of the beet armyworm, Spodoptera exigua (Hübner). Spanish Journal of Agricultural Research. 6, S1 (Feb. 2008), 177-184. DOI:https://doi.org/10.5424/sjar/200806S1-386.