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: amidithion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 919766	Shaugnessy Code: 59601

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G1990	1972	Field Evolved Resistance	USSR	Kornilov, V. G. (1972). Control methods for preventing the development of spider mite resistance incovered ground (in Russian).. Zashch. Rast., 35 209-15.
G1514	1969	Field Evolved Resistance	Egypt	Ghobrial, A., Dittrich, V., Hafiz, M. and Voss, G. (1969). Population analyses of resistance patterns in spider mites of the Tetranychus telarius complex (red and green forms) occuring in Egypt.. J. Econ. Entomol., 62 1262-68.
G1368	1968	Field Evolved Resistance	Egypt	Maher Ali, A. (1968). In: FAO 1969.

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