Blood meal origins and insecticide susceptibility of Anopheles arabiensis from Chano in South-West Ethiopia

Parasites & Vectors

Table 4 Percent knockdown, knockdown time (KDT) (in minutes) and mortality rates of Anopheles arabiensis exposed to pyrethroids and DDT from Chano in Southwest Ethiopia

Insecticides tested	Number exposed	% knockdown	KDT₅₀ (95% CI)	KDT₉₀ (95% CI)	% mortality (±SE)	Status[27](<80%)
Lambdacyhalothrin (0.05%)	80	80	39 (36–43)	**	56 ± 9.6	resistant
Alphacypermethrin (0.05%)	80	89	27 (20–32)	**	50 ± 5.4	resistant
Cyfluthrin (0.15%)	80	96	25 (19–29)	42 (37–51)	50 ± 9.5	resistant
Deltamethrin (0.05%)	80	100	21 (18–23)	35 (31–39)	47 ± 3.2	resistant
DDT (4%)	80	10	*	**	10 ± 3.5	resistant

* 50% was not knocked down ** 90% was not knocked down, CI= confidence interval, SE = standard error.

ISSN: 1756-3305