Tested insects
Larvae of S. exigua were reared with artificial diet (corn flour and soybean flour mixed with yeast, 20 : 10 : 9, w/w/w) and maintained at 26 ± 1°C, 70 ± 2% RH and a photoperiod of 16 : 8 (L : D) in the laboratory. Third instar larvae for used.