Reported Resistance Case(s)

Species: helicoverpa zea

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

Active Ingredient: parathion-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 298000	Shaugnessy Code: 53501

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5495	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.