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: demeton

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 8065483	Shaugnessy Code: 57601

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4284	1985	Field Evolved Resistance	France	Markkula, M. and Kurppa, S. (1985). Resistance of insects and mites to pesticides in Finland.. Ann. Agric. Fenn., 24 161-174.
G2308	1974	Field Evolved Resistance	Sweden	Anon. 1974c. (1974).
G2309	1974	Field Evolved Resistance	Turkey	Oden, T. (1974). Communication to FAO.
G1991	1972	Field Evolved Resistance	Iran	Sepascosarian, H. (1972). Pflanzenspinnmilben und ihre wirtchaftliche Bedeutung im Iran.. Anz. Schadlingsk. D. Pflanzenschutz., 45 105-107.
G672	1965	Field Evolved Resistance	Germany	Fritzsche 1965. (1965).
G673	1965	Field Evolved Resistance	USA-- North Carolina	Mistric 1965. (1965).

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