Caballero, C., J. López-Olguín, M. Ruiz, F. Ortego, and P. Castañera. 2008. “Antifeedant Activity and Effects of Terpenoids on Detoxication Enzymes of the Beet Armyworm, Spodoptera Exigua (Hübner)”. Spanish Journal of Agricultural Research 6 (S1), 177-84. https://doi.org/10.5424/sjar/200806S1-386.