Reported Resistance Case(s)

Species: helicoverpa zea

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

Active Ingredient: chlorpyrifos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 2921882	Shaugnessy Code: 59101

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G6540	2000	Unspecified	Nicaragua-- Dept. of Granada-- Nandaime	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6541	2000	Unspecified	Nicaragua-- Dept of Leon-- Telica	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6542	2000	Unspecified	Nicaragua-- Dept of Leon-- Nagarote	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.

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