Reported Resistance Case(s)

Species: spodoptera exigua

Order	Family	Common Name(s)	Group	Host
lepidoptera	noctuidae	beet army worm, lesser army worm	AG	cotton, tomato, celery, lettuce, cabbage and alfalfa

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
G3330	1976	Field Evolved Resistance	Mexico	Alava, D., and A. Lagunes-Tejeda. (1976). Resistencia cruzada a varios tipos de insecticidas despues de producir resistencia a parathion metilico en spodoptera exigua. Folia Entomol. Mex., 36 / 77-78 36 / 77-78.
G2648	1974	Field Evolved Resistance	USA-- Arkansas	Miner, F.D. (1974). Communication to FAO.
G2649	1974	Field Evolved Resistance	USA-- Louisiana	Graves, J. B. (1974). Communication to FAO.

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