Reported Resistance Case(s)

Species: culex pipiens

Order	Family	Common Name(s)	Group	Host
diptera	culicidae	house mosquito	MED	House Mosquito

Active Ingredient: chlorpyrifos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 2921882	Shaugnessy Code: 59101

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G20998	2020	Field Evolved Resistance	Morocco-- Casablanca-- Mohammedia	Aboulfadl, S., Mellouki, F.,Aouinty, B., and Faraj, C. (2020). Susceptibility status of Culex pipiens larvae (Diptera: Culicidae) to the main insecticides used in larval control in the regions of Rabat and Casablanca in Morocco. International Journal of Pest Management.
G20999	2020	Field Evolved Resistance	Morocco-- Casablanca-- Benslimane	Aboulfadl, S., Mellouki, F.,Aouinty, B., and Faraj, C. (2020). Susceptibility status of Culex pipiens larvae (Diptera: Culicidae) to the main insecticides used in larval control in the regions of Rabat and Casablanca in Morocco. International Journal of Pest Management.
G21000	2020	Field Evolved Resistance	Morocco-- Rabat-- Sale	Aboulfadl, S., Mellouki, F.,Aouinty, B., and Faraj, C. (2020). Susceptibility status of Culex pipiens larvae (Diptera: Culicidae) to the main insecticides used in larval control in the regions of Rabat and Casablanca in Morocco. International Journal of Pest Management.
G21001	2020	Field Evolved Resistance	Morocco-- Rabat-- Skhirate	Aboulfadl, S., Mellouki, F.,Aouinty, B., and Faraj, C. (2020). Susceptibility status of Culex pipiens larvae (Diptera: Culicidae) to the main insecticides used in larval control in the regions of Rabat and Casablanca in Morocco. International Journal of Pest Management.
G7417	2006	Unspecified	China-- Guangdong-- Guangzhou	Cui, F., Lin, L.-F., Qiao, C.-L., Xu, Y., Marquine, M., Weill, M., and Raymond, M. (2006). Insecticide resistance in Chinese populations of the Culex pipiens complex through esterase overproduction. ?, 120 211-220.
G7418	2006	Unspecified	China-- Guangdong-- Guangzhou	Cui, F., Lin, L.-F., Qiao, C.-L., Xu, Y., Marquine, M., Weill, M., and Raymond, M. (2006). Insecticide resistance in Chinese populations of the Culex pipiens complex through esterase overproduction. ?, 120 211-220.
G7420	2006	Unspecified	China-- Guangdong-- Foshan	Cui, F., Lin, L.-F., Qiao, C.-L., Xu, Y., Marquine, M., Weill, M., and Raymond, M. (2006). Insecticide resistance in Chinese populations of the Culex pipiens complex through esterase overproduction. ?, 120 211-220.
G7432	2006	Unspecified	China-- Henan-- Zhengzhou	Cui, F., Lin, L.-F., Qiao, C.-L., Xu, Y., Marquine, M., Weill, M., and Raymond, M. (2006). Insecticide resistance in Chinese populations of the Culex pipiens complex through esterase overproduction. ?, 120 211-220.
G5756	1996	Unspecified	Portugal	Bourguet, D., R. Capela, and M. Raymond. (1996). An Insensitive Acetylcholinesterase in Culex pipiens (Diptera: Culicidae) from Portugal. Journal of Economic Entomology, 89(5) 1060-1066.
G5757	1996	Unspecified	Portugal	Bourguet, D., R. Capela, and M. Raymond. (1996). An Insensitive Acetylcholinesterase in Culex pipiens (Diptera: Culicidae) from Portugal. Journal of Economic Entomology, 89(5) 1060-1066.
G5758	1996	Unspecified	Portugal	Bourguet, D., R. Capela, and M. Raymond. (1996). An Insensitive Acetylcholinesterase in Culex pipiens (Diptera: Culicidae) from Portugal. Journal of Economic Entomology, 89(5) 1060-1066.
G5296	1991	Unspecified	Italy	Bonning, B.C., J. Hemingway, R. Romi, and G. Majori. (1991). Interaction of insecticide resistance genes in field populations of Culex pipiens (Diptera: Culicidae) from Italy in response to changing insecticide selection pressure. Bulletin of Entomological research, 81 5-10.

*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.