Si (ppm)

Incubation

Larval period

Nymph period

Total immature stage

0

1

1.5

2

3.17 ± 0.08

3.40 ± 0.09

3.55 ± 0.09

3.57 ± 0.08*

1.32 ± 0.09

1.46 ± 0.08

1.73 ± 0.09

1.80 ± 0.10*

3.62 ± 0.08

3.67 ± 0.07

3.62 ± 0.13

3.97 ± 0.10*

8.22 ± 0.10

8.52 ± 0.13

8.90 ± 0.17

9.37 ± 0.14*