Table 3.

Comparison of mean lethality by treatment at the different concentration for fipronil and phoxim, respectively: 1st dilution: 500 and 10,000 ppm; 2nd 100 and 2000 ppm; 3rd 20 and 400 ppm; 4th 4 and 80 ppm.

	Treatment
Concentration	Fipronil	Phoxim	p- Value
1st dilution	0.998	0.954	p = 0.148
2nd dilution	0.912	0.984	p = 0.01
3rd dilution	0.724	0.931	p < 0.001
4th dilution	0.434	0.834	p = 0.001