Reported Resistance Case(s)

Species: culex tarsalis

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

Active Ingredient: DDT

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: OCL	CAS #: 50293	Shaugnessy Code: 29201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3939	1981	Field Evolved Resistance	USA-- Oregon	Brown 1981. (1981).
G1834	1971	Field Evolved Resistance	USA-- Washington	Brown, A. W. A. (1971). Pest resistance to pesticides.. In: ""Pesticides in the Enviroment,"" ed. White-Stevens,, 1 457-552.
G355	1962	Field Evolved Resistance	USA-- Utah	Anon. (1962). Army Environ.. Hlth. Agency. In: Brown 1971..
G39	1952	Field Evolved Resistance	USA-- California	Gjullen, C. M. and Peters, R. F. (1952). Recent studies of mosquito resistance to insecticides in California.. Mosq. News, 12 1-7.

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