Microdistribution of the resistance of malaria vectors to deltamethrin in the region of Plateau (southeastern Benin) in preparation for an assessment of the impact of resistance on the effectiveness of Long Lasting Insecticidal Nets (LLINs)

Table 1 Resistance status of An. gambiae s.l populations to deltamethrin in the localities of Ifangni and Sakété

Districts	Localities	Total (N)	KdT50 (min)	KdT95 (min)	Dead (N)	Mortality (%)
Ifangni	Lokossa*	44	38.9	74.0	36	82^a
	Ko-dogba*	48	36.1	68,6	42	87^ad
	Zihan*	50	60.0	114.0	50	100
	Baoudjo	89	40.5	77.0	72	81^a
	Gbédji	88	100.0	190.0	68	77^a
	Igolo	22	111.1	211.1	17	77^a
	Araromi*	39	41.6	79.2	33	85^ad
	Itassoumba*	66	39.2	74.5	59	89^ad
	Ko-koumolou*	48	32.6	62.0	40	83^a
	Itakpako*	131	36.6	69.5	105	80^a
	Banigbé Centre	97	42.3	80.3	32	33^bc
	Tchaada	22	93.8	178.1	7	32^bc
	Daagbe*	40	31.6	60.0	33	82^a
	Akadja	123	38.5	73.1	62	50^b
	Gblo-gblo	45	103.4	196.5	9	20^c
	Ko-aïdjedo*	92	31.2	59.4	90	98^d
	Zoungodo*	62	43.5	82.6	52	84^a
	Djegoun-djègui	40	75.0	142.5	8	20^c
	Ketougbekon*	147	35.7	67.8	121	82^b
Sakété	Ilakofadji	44	31.6	60.0	30	68^a
	Dagbao	45	32.2	61.3	33	73^a
	Itadjèbou	34	42.8	81.4	21	62^abc
	Djohounkollé*	73	39.4	75.0	59	81^a
	Igbo-abikou	65	115.4	219.2	25	38^b
	Igbola	38	96.7	183.8	19	50^ab
	Alabansa	30	150.0	285.0	12	40^bc
	Iwaï*	43	37.0	70,3	37	86^a
	Ikemon	86	71.4	135.7	40	46^bc
	Idiagbola	40	52.6	100.0	17	43^bc
	Yoko Centre	40	31	58.7	30	75^a
	Idi*	31	62.5	118.7	30	97^d

^{a, b, c, ab, ac, d}The mortality rates with the different superscript in the same district are statistically different (p < 0.05).
*The localities with an asterisk are lowly resistant and those without an asterisk are highly resistant.

ISSN: 1471-2334