Reported Resistance Case(s)

Species: culex peus

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

Active Ingredient: fenthion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 55389	Shaugnessy Code: 53301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G2011	1972	Field Evolved Resistance	USA-- California	Womeldorf, D. J., Gillies, P. A., and White, K. E. (1972). Insecticide susceptibility of mosquiteos in California; illustrated distribution of organophosphorus resistance in larvae Aedes nigromaculis and Culex tarsalis.. Proc. Pap. 4th Annu. Conf. Calif. Mosq. Control Assoc., 40 17-21.

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