Reported Resistance Case(s)

Species: tetranychus urticae

Order	Family	Common Name(s)	Group	Host
acari	tetranychidae	twospotted spider mite	AG	cotton, fruits, vegetables, walnut, ornamentals

Active Ingredient: TEPP

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 107-49-3	Shaugnessy Code: 79601

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G693	1965	Field Evolved Resistance	Canada	Goodwin-Wilson 1965. (1965).

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