Reported Resistance Case(s)

Species: tetranychus pacificus

Order	Family	Common Name(s)	Group	Host
acari	tetranychidae	pacific spider mite	AG	cotton, grape, apple

Active Ingredient: Organophosphates - Unspecified In Literature

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 0	Shaugnessy Code: 0

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G142	1958	Field Evolved Resistance	USA-- California	Andres, L. A. And Reynolds, H. T. (1958). Laboratory determination of organophosphours insecticide resistance in three species of Tetranychus on cotton.. J. Econ. Entomol., 51 285-87.
G47	1953	Field Evolved Resistance	USA-- Washington	Newcomer, E. J. and Dean, F. P. (1953). Control of orchard mites resistant to parathion.. J. Econ. Entomol., 46 894-96.

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