The Efficacy of Vectron 20 WP, Etofenprox, for Indoor Residual Spraying in Areas of High Vector Resistance to Pyrethroids and Organochlorines in Zambia

Table 3

Insecticide susceptibility of 1–5-day-old F1 female progeny of An. gambiae s.s from Chipulukusu in Ndola district and An. funestus from Malata in Katete District in Zambia.

Insecticide	No. exposed	24 hr mortality (%)	Sensitivity status
An. gambiae s.s
0.05% Deltamethrin	96	47.3	Resistant
0.05% Lambda-; cyhalothrin	134	61.0	Resistant
4% DDT	118	42.5	Resistant
0.1% Etofenprox	151	98.7	Susceptible
5% Malathion	101	100	Susceptible
0.1% Bendiocarb	74	100	Susceptible
Controls	120	0
An. funestus
0.05% Deltamethrin	143	59.4	Resistant
0.05% Lambda-cyhalothrin	74	95.8	Suspected resistance
4% DDT	131	93.9	Suspected resistance
0.1% Etofenprox	130	92.9	Suspected resistance
5% Malathion	138	100	Susceptible
0.1% Bendiocarb	134	97.0	Suspected resistance
Controls	120	0