Insecticidal and sterilizing effect of Olyset Duo®, a permethrin and pyriproxyfen mixture net against pyrethroid-susceptible and -resistant strains of Anopheles gambiae s.s.: a release-recapture assay in experimental huts

Open Access

Table 1.

Summary results of the release-recapture of An. gambiae s.s. (Kisumu and VK-Per strains) relative to the treatments and holing configuration.

Treatments			N females caught	Exophily			Blood feeding			Mortality
Treatments			N females caught	Inside veranda	Rate (%)	IE (%)	Blood-fed	Rate (%)	BFI (%)	Dead	Rate (%)	Corrected rate (%)
Kisumu	Control	6 holes	152	45	29.6^a,c	–	54	35.5^a	–	3	2.0^a	–
		30 holes	149	31	20.8^a,b	–	77	51.7^b	–	3	2.0^a	–
		150 holes	161	29	18.0^b,f	–	140	87.0^c,h	–	1	0.6^a	–
	Pyriproxyfen	6 holes	181	67	37.0^c	NS	72	39.8^a,j	NS	3	1.7^a	−0.3
		30 holes	148	29	19.6^b,f	NS	86	58.1^b	NS	5	3.4^a	1.4
		150 holes	153	44	28.8^a,c	59.7	132	86.3^c	NS	1	0.7^a	0.0
	Olyset	6 holes	146	5	3.4^d	−88.4	13	8.9^d	74.9	146	100^b	100
		30 holes	156	6	3.9^d,e	−81.5	17	10.9^d,e	78.9	156	100^b	100
		150 holes	160	9	5.6^d	−68.8	30	18.8^e	78.4	159	99.4^b	99.4
	Olyset Duo	6 holes	156	14	9.0^d	−69.7	0	0^f	100	156	100^b	100
		30 holes	159	8	5.0^d	−75.8	5	3.1^d,f	93.9	159	100^b	100
		150 holes	162	3	1.9^e	−89.7	12	7.4^d	91.5	162	100^b	100
VK-Per	Control	6 holes	180	21	11.7^b	−	152	84.4^c	–	3	1.7^a	–
		30 holes	173	16	9.3^d	–	160	92.5^h	–	1	0.6^a	–
		150 holes	181	42	23.2^a,b	–	178	98.3ⁱ	–	1	0.6^a	–
	Pyriproxyfen	6 holes	181	25	13.8^b	NS	146	80.7^c,k	NS	4	2.2^a	0.6
		30 holes	172	20	11.6^b	NS	148	86.1^c,h	NS	3	1.7^a	1.2
		150 holes	180	38	21.1^a,f	NS	179	99.4ⁱ	NS	3	1.7^a	1.1
	Olyset	6 holes	173	34	19.7^b,f	68.5	95	54.9^b	35.0	95	54.9^c	54.2
		30 holes	166	24	14.5^b	NS	101	60.8^b	34.2	136	81.9^d	81.8
		150 holes	175	90	51.4^g	121.6	144	82.3^c	16.3	92	52.6^c	52.3
	Olyset Duo	6 holes	171	28	16.4^b,f	NS	32	18.7^e	77.8	149	87.1^d,e	86.9
		30 holes	165	20	12.1^b	NS	72	43.6^j	52.8	152	92.1^e	92.1
		150 holes	170	61	35.9^c	54.6	123	72.4^k	26.4	123	72.4^f	72.2

The numbers in the same column sharing the letter superscript do not differ significantly (p ≥ 0.05).

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