Reported Resistance Case(s)

Species: helicoverpa zea

Order	Family	Common Name(s)	Group	Host
lepidoptera	noctuidae	corn earworm	AG

Active Ingredient: fenvalerate

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 51630581	Shaugnessy Code: 109301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5494	1993	Unspecified	USA	Abd-elghafar, S.F., C.O. Knowles, and M.L. Wall. (1993). Pyrethroid Resistance in Two Field Strains of Helicoverpa zea (Lepidoptera: Noctuidae). Journal of Economic Entomology, 86(6) 1651-1655.

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