The residual life of bendiocarb on different substrates under laboratory and field conditions in Benin, Western Africa

Table 1 Mosquitoes mortality after exposition to bendiocarb treated substrates under laboratory according the time post-treatment

				Anopheles gambiae“Kisumu”								Local population of Anopheles gambiae
N weeks after treatment				1	3	5	7	10	13	15	18	1	3	5	7	10	13	15	18
Substrates and treatments	Red clay	Control	N tested	12	10	11	10	10	15	15	13	10	15	12	11	12	14	12	10
		Control	% mortality	8	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
		Treated	N tested	14	10	11	12	15	10	14	14	13	14	20	12	15	14	14	19
		Treated	% mortality	100	100	100	83	13	10	7.1	7.1	100	100	100	8.3	33	21	7.1	5.3
	Cement + red clay	Control	N tested	11	10	10	15	15	10	10	15	10	14	12	13	12	11	12	10
		Control	% mortality	0	0	0	6	0	0	0	0	0	0	8	0	0	0	0	0
		Treated	N tested	14	12	14	9	14	15	18	15	12	12	10	11	11	12	18	15
		Treated	% mortality	100	92	100	33	21	20	17	13	100	100	100	36	9.1	8.3	5.6	6.7
	Cement + sand	Control	N tested	14	15	11	15	16	10	10	11	12	14	12	10	12	11	10	10
		Control	% mortality	7	0	0	0	0	0	0	0	0	7	0	0	0	0	0	0
		Treated	N tested	12	10	10	12	22	14	20	15	14	15	15	12	14	14	11	17
		Treated	% mortality	100	100	100	50	45.5	42.9	40	13.3	100	100	100	75	71.4	42.9	18.2	11.8
	Teak wood	Control	N tested	10	10	14	15	11	15	15	13	11	12	11	12	10	12	14	12
		Control	% mortality	0	0	0	0	0	0	0	0	0	0	0	8	0	0	0	0
		Treated	N tested	10	10	10	15	14	12	18	17	12	12	13	12	16	12	15	14
		Treated	% mortality	100	100	100	100	100	100	83.3	29.4	100	100	100	100	100	100	46.7	21.4

ISSN: 1756-0500