Table 2. Body length and head width of Folsomia candida when fed artificial diets containing Cry1C, Cry2A, or E-64 protein for 7, 14, 21 or 28 days. Values are means ± SE, n = 40.

Treatment	Body length (mm)				Head width (mm)
	7 day	14 day	21 day	28 day	7 day	14 day	21 day	28 day
Control: pure diet	0.906 ± 0.012	1.124 ± 0.019	1.300 ± 0.015	1.410±0.014	0.226 ± 0.002	0.243 ± 0.003	0.255 ± 0.003	0.275 ± 0.004
Cry1C 300 μg/g diet	0.883 ± 0.014	1.100 ± 0.016	1.282 ± 0.015	1.394±0.017	0.217 ± 0.003	0.239 ± 0.003	0.258 ± 0.004	0.270 ± 0.004
Cry2A 600 μg/g diet	0.870 ± 0.011	1.120 ± 0.013	1.258 ± 0.016	1.371±0.019	0.220 ± 0.003	0.237 ± 0.002	0.256 ± 0.002	0.273 ± 0.003
E-64 75 μg/g diet	0.849 ± 0.015*	1.110 ± 0.014	1.195 ± 0.012**	−	0.207 ± 0.003**	0.225 ± 0.003**	0.241 ± 0.003*	−

Statistical comparisons were made for each of the insecticidal protein with the control. Asterisks indicate significant differences between the toxin treatment and the control (^*P < 0.05, ^**P < 0.01).