Reported Resistance Case(s)

Species: metaseiulus occidentalis

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

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
G3925	1981	Field Evolved Resistance	USA-- California	Hoy, M. A. and Knop, N. F. (1981). Selection for the genetic analysis of permethrin resistance in Metaseiulus occidentalis: Genetic improvement of a biological control agent.. Entomol. Exp. Appl., 30 10-18.

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