Table 4.

Number of mosquitoes used for insecticide susceptibility and resistance intensity testing.

Insecticides	Collection Period	1× DC			5× DC			10× DC			N
		Ekié	Nkolondom	Nkolbisson	Ekié	Nkolondom	Nkolbisson	Ekié	Nkolondom	Nkolbisson
Delta	Apr.–May 2018	113	106	106	124	91	84	MD	MD	MD	624
	Dec. 2018–Jan. 2019	93	108	100	102	101	91	MD	MD	MD	595
	Sept.–Oct. 2019	83	90	81	80	84	142	101	88	81	830
Perm	Apr.–May 2018	111	103	104	112	81	85	118	83	114	911
	Dec. 2018–Jan. 2019	90	107	95	103	104	86	101	104	97	887
	Sept.–Oct. 2019	86	99	87	90	92	89	MD	91	88	722
Alpha	Apr.–May 2018	113	101	83	115	106	116	110	84	89	917
	Dec. 2018–Jan. 2019	93	110	89	102	103	99	101	85	97	879
	Sept.–Oct. 2019	98	85	80	94	87	85	MD	94	94	717
Etofenprox	Apr.–May 2018	116	96	98	116	83	123	122	80	87	921
	Dec. 2018–Jan. 2019	92	104	84	99	93	89	MD	89	90	740
	Sept.–Oct. 2019	104	91	93	81	108	94	93	80	95	839
N		1192	1200	1100	1218	1133	1183	746	878	932	9582

MD: Missing data; Delta: Deltamethrin; Perm: Permethrin; Alpha: Alpha-cypermethrin; N: Total number of mosquitoes. (Apr.–May 2018: April–May 2018; Dec. 2018–Jan. 2019: December 2018–January 2019; Sept.–Oct. 2019: September–October 2019).