Electroantennogram and field responses of Korean population of the rice leaf folder, Cnaphalocrocis medinalis (Lepidoptera: Crambidae), to sex attractant candidates

► This describes EAG and field test results for sex attractant of C. medinalis. ► (Z)-13-Octadecenal was most active in EAG and field tests. ► A Japanese blend of sex attractant was active to Korean population of the insect. ► A modified composition of 3 compounds showed a similar activity to the insect.