Dosage-dependent effects of permethrin-treated nets on the behaviour of Anopheles gambiae and the selection of pyrethroid resistance

Table 1 Efficacy of holed permethrin-treated nets against Anopheles gambiae in experimental huts in Cotonou (Benin).

	Control	50 mg/m²	100 mg/m²	250 mg/m²	500 mg/m²	1000 mg/m²
Total entered	520^a	₇₉bc	86^b	56^bc	60^bc	38^c
(% deterrency)	-	(84.8%)	(83.5%)	(89.2%)	(88.5%)	(92.7%)
No. in veranda	38^a	32^b	28^b	₃₁bc	40^c	34^d
(% exophily)	(7.3%)	(40.5%)	(32.6%)	(55.3%)	(66.7%)	(89.5%)
No. blood-fed	357^a	43^b	32^cd	26^bc	₂₇bc	8^d
(% reduction)	-	(20.7%)	(45.8%)	(32.4%)	(34.5%)	(69.3%)
No. dead	142^a	20^ab	22^ab	14^ab	10^b	20^c
(% mortality)	(27.3%)	(25.3%)	(25.6%)	(25%)	(16.7%)	(52.6%)

Numbers in the same line sharing a superscript letter do not differ at the 5% level confidence

ISSN: 1475-2875