Reported Resistance Case(s)

Species: heliothis virescens

Order	Family	Common Name(s)	Group	Host
lepidoptera	noctuidae	tobacco budworm	AG	chickpea, corn, cotton, tobacco

Active Ingredient: parathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 56382	Shaugnessy Code: 57401

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G1907	1971	Field Evolved Resistance	Mexico	Plapp, F. W., Jr. (1971). Insecticide resistance in Heliothis: Tolerance in larvae of H.. virescens as compared with H. zea to organophosphate insecticides. J. Econ. Entomol., 64 999-1002.
G959	1965	Field Evolved Resistance	Colombia	Rodrigo Adarve, R. (1965). In: FAO 1967.

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