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: permethrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 52645-53-1	Shaugnessy Code: 109701

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5221	1990	Field Evolved Resistance	Mexico	Brewer, M.J., J.T. Trumble, B. Alvorado-Rodriguez, and W.E. Chaney. (1990). Beet Armyworm (Lepidoptera: Noctuidae) Adult and Larval Susceptibility to three insecticides in managed habitats and relationship to laboratory selection for resistance. Journal of Economic Entomology, 83(6) 2136-2146.
G5082	1989	Field Evolved Resistance	USA	Brewer, M.J., and J.T. Trumble. (1989). Field Monitoring for Insecticide Resistance in Beet Armyworm (Lepidoptera: Noctuidae). Journal of Economic Entomology, 82(6) 1520-1526.

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