VECTRON™ T500, a new broflanilide insecticide for indoor residual spraying, provides prolonged control of pyrethroid-resistant malaria vectors

Table 4 Summary overall mortality (24 h, 48 h, 72 h) results of wild, free-flying, pyrethroid-resistant An. gambiae s.l. entering experimental huts in Covè, southern Benin for 12 months

Treatment	Control		VECTRON^™ T500 (100 mg/m²)				Actellic^® 300CS (1000 mg/m²)
Substrate	Cement	Mud	Cement		Mud		Cement	Mud
Substrate	Cement	Mud	Replicate 1	Replicate 2	Replicate 1	Replicate 2	Cement	Mud
Total females collected	4 627	4 462	2 285	1 696	2 148	1 969	2 540	3 444
24 h
Total dead	49	37	1 021	624	991	864	1 296	1 772
% Dead at 24hrs	1	1	45	37	46	44	51	51
95% CI	0–4	0–4	42–48	33–41	43–49	41–47	48–54	49–54
48 h
Total dead	60	50	1 224	815	1 261	1 054	1 328	1 813
% Dead at 48hrs	1	1	54	48	59	54	52	53
95% CI	0–4	0–4	51–56	45–51	56–61	51–57	50–55	50–55
72 h
Total dead	79	72	1 330	901	1 357	1 129	1 355	1 839
% Dead at 72hrs*	2^a	2^a	58^b	53^c	63^d	57^b	53^c	53^c
95% CI	0–5	0–5	56–61	50–56	61–66	54–60	51–56	51–56

^*Values bearing the same letter superscript along this row are not significantly different at the 5% level (P > 0.05, logistic regression)

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