Group

Slope ± S.E.

R2

LC50 (ppm) (95% confidence limit)

Permethrin

2.86 ± 0.310

0.91

1015.78 (415.82 - 1618.25)

Cypermethrin

3.04 ± 0.149

0.89

436.2 (404.10 - 468.57)

Z-cypermethrin

3.32 ± 0.673

0.97

258.54 (243.76 - 273.84