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: fenpropathrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 39515418	Shaugnessy Code: 127901

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G14532	2009	Field Evolved Resistance	Greece-- Crete	Tsagkarakau, A., Leeuwent, T., Khajehali, J., llias, A., Grispou, M., Williamson, M., Tirry, L., and Vontas, J.,. (2009). Identification of pyrethroid resistance associated mutations in the para sodium channel of the two-spotted spider mite Tetranychus urticae (Acari: Tetranychidae). Insect Molecular Biology, 18 583-593.
G14535	2009	Field Evolved Resistance	Greece-- Athens	Tsagkarakau, A., Leeuwent, T., Khajehali, J., llias, A., Grispou, M., Williamson, M., Tirry, L., and Vontas, J.,. (2009). Identification of pyrethroid resistance associated mutations in the para sodium channel of the two-spotted spider mite Tetranychus urticae (Acari: Tetranychidae). Insect Molecular Biology, 18 583-593.
G7222	2004	Unspecified	Korea	Kim, Y.J., S.H. Lee, S.W. Lee, and Y.J. Ahn. (2004). Fenpyroximate resistance in Tetranychus urticae (Acari: Tetranychidae): cross-resistance and biochemical resistance mechanisms. Pest Management Science, 60 1001-1006.

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