The Journal of Basic and Applied Zoology

Table 3 LC 90 values of insecticides obtained from populations of mosquito larvae tested in the Smir region

From: Proposal of a mosquito control plan of Smir-Restinga region (north-west of Morocco)

Species	Insecticides (mg/l)	LC 90 values of insecticide (mg/l)
Species	Insecticides (mg/l)	Temephos	Malathion	Fenthion	Fenitrothion	Chlorpyrifos
Culex pipiens	LC 90 of tested populations	0.0243	0.0585	0.0547	0.0026	0.0254
Culex pipiens	WHO *	**	0.035	**	**	**
Anopheles labranchiae	LC 90 of tested populations	0.0168	0.0129	0.0073	0.0049	0.0139
Anopheles labranchiae	WHO	0.125	3.125	0.05	0.125	0.025
Ochlerotatus detritus	LC 90 of tested populations	0.0215	0.0498	0.0109	0.0201	0.0146
Ochlerotatus detritus	WHO	**	**	**	**	**
Ochlerotatus caspius	LC 90 of tested populations	0.0378	0.0494	0.0109	0.0019	0.0220
Ochlerotatus caspius	WHO	**	**	**	**	**

LC 90: The dose of insecticide resulting in the death of 90 per cent of the populations tested
* The diagnostic doses recommended by WHO
** Data not found

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