Reported Resistance Case(s)

Species: metaseiulus occidentalis

Order	Family	Common Name(s)	Group	Host
acari	phytoseiidae	western predatory mite	PAR	mites

Active Ingredient: methomyl

MOA: Acetylcholine esterase inhibitors, Carbamates
Group: CAR	CAS #: 16752775	Shaugnessy Code: 90301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3924	1981	Field Evolved Resistance	USA-- California	Roush, R. T. and Hoy, M. A. (1981). Genetic improvement of Metaseiulus occidentalis, selection with methomyl, dimethoate and carbaryl, and gentic analysis of carbaryl resistance.. J. Econ. Entomol., 74 138-41.

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