Table 1. Body length and head width of Folsomia candida when fed artificial diets containing different concentrations of PA, E-64, or GNA for 7, 14, 21, or 28 days. Values are means ± SE, n = 3.

Treatment	Body length (mm)				Head width (mm)
	Day 7	Day 14	Day 21	Day 28	Day 7	Day 14	Day 21	Day 28
Control: pure diet	0.901 ± 0.008	1.169 ± 0.024	1.272 ± 0.054	1.329 ± 0.036	0.231 ± 0.005	0.241 ± 0.005	0.251 ± 0.004	0.272 ± 0.007
PA 4.5 μg/g diet	0.897 ± 0.029	1.108 ± 0.031	1.224 ± 0.025	1.283 ± 0.016	0.229 ± 0.008	0.235 ± 0.004	0.247 ± 0.003	0.265 ± 0.008
PA 9.0 μg/g diet	0.823 ± 0.020	1.029 ± 0.040*	1.084 ± 0.017**	1.085 ± 0.029**	0.196 ± 0.003**	0.196 ± 0.005**	0.215 ± 0.003**	0.221 ± 0.007**
PA 36 μg/g diet	0.798 ± 0.015*	0.960 ± 0.012**	–	–	0.186 ± 0.005**	0.197 ± 0.004**	–	–
E-64 25 μg/g diet	0.924 ± 0.032	1.135 ± 0.022	1.191 ± 0.012	1.257 ± 0.027	0.228 ± 0.002	0.237 ± 0.008	0.250 ± 0.002	0.261 ± 0.005
E-64 75 μg/g diet	0.832 ± 0.006	1.108 ± 0.023	1.078 ± 0.046*	1.156 ± 0.013**	0.200 ± 0.003*	0.211 ± 0.005**	0.214 ± 0.006**	0.216 ± 0.009**
E-64 225 μg/g diet	0.791 ± 0.005**	0.917 ± 0.039**	–	–	0.187 ± 0.005**	0.206 ± 0.002**	–	–
GNA 100 μg/g diet	0.836 ± 0.006**	1.074 ± 0.011*	1.096 ± 0.023*	–	0.194 ± 0.004**	0.205 ± 0.006**	–	–
GNA 1000 μg/g diet	0.805 ± 0.012**	1.015 ± 0.007**	1.019 ± 0.038**	–	0.187 ± 0.003**	0.199 ± 0.004**	–	–

“–” indicates that either no insects remained alive or that the number of alive individuals was insufficient for measurement.

Each insecticidal protein treatments was statistically compared with the control at each sampling date. Asterisks indicate significant differences between the toxin treatment and the control (^*P < 0.05, ^**P < 0.01).