Table 3. Quantitative activity of major detoxifying enzymes in Culex quinquefasciatus populations.

sites	α-carboxyesterases activity (mM mg protein-1 min-1 ± S.E)	β-carboxyesterases activity (mM mg protein-1 min-1 ± S.E)	Monooxygenases activity (nM mg protein-1 ± S.E)	GSTs activity (mM mg protein-1 min-1 ± S.E)
SHM	5.948 ± 0.761d	3.428 ± 0.317d	1.523 ± 0.041d	18.12×10−3± 2.1×10-3d
SLG	4.088 ± 0.237c	2.857 ± 0.463c	0.929 ± 0.072c	15.41×10−4 ± 2.6×10-4b
BDN	1.914 ± 0.147b	2.580 ± 0.179c	2.135 ± 0.233e	31.72×10−4 ± 3.9×10-4c
JPT	0.759 ± 0.047b	0.713 ± 0.032b	0.358 ± 0.091b	76.68×10−5 ± 1.4×10−4 b
FLB	5.213 ± 0.361d	2.522 ± 0.145c	1.337 ± 0.338d	79.81×10−5± 3.6×10-5b
DPG	5.166 ± 0.410d	1.840 ± 0.067c	1.298 ± 0.145d	48.34×10−4 ± 1.8×10-4c
CPR	1.390 ± 0.040b	0.640 ± 0.030b	0.841 ± 0.083c	33.00×10−4 ± 6.4×10-4c
ISL	5.293 ± 0.123d	4.537 ± 0.401d	0.980 ± 0.082c	11.38×10−3 ± 2.9×10-3d
SP	0.192 ± 0.03a	0.202 ± 0.025a	0.062 ± 0.021a	22.43×10−6 ± 1.4×10−6 a

Within columns, means followed by the same letter do not differ significantly (P = 0.05) in Tukey’s multiple comparison test (HSDa)