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: pirimiphos-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 29232-93-7	Shaugnessy Code: 108102

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G15088	2013	Field Evolved Resistance	Cyprus-- Kiti	Vassiliou, V. A., and Kitsis, P. (2013). Acaricide resistance in Tetranychus urticae (Acari: Tetranychidae) populations from cyprus. Journal of Economic Entomology, 106 1848-1854.
G15085	2013	Field Evolved Resistance	Cyprus-- Kellaki	Vassiliou, V. A., and Kitsis, P. (2013). Acaricide resistance in Tetranychus urticae (Acari: Tetranychidae) populations from cyprus. Journal of Economic Entomology, 106 1848-1854.
G15086	2013	Field Evolved Resistance	Cyprus-- Xylofagou	Vassiliou, V. A., and Kitsis, P. (2013). Acaricide resistance in Tetranychus urticae (Acari: Tetranychidae) populations from cyprus. Journal of Economic Entomology, 106 1848-1854.
G15087	2013	Field Evolved Resistance	Cyprus-- Argaka	Vassiliou, V. A., and Kitsis, P. (2013). Acaricide resistance in Tetranychus urticae (Acari: Tetranychidae) populations from cyprus. Journal of Economic Entomology, 106 1848-1854.
G15089	2013	Field Evolved Resistance	Cyprus-- Arediou	Vassiliou, V. A., and Kitsis, P. (2013). Acaricide resistance in Tetranychus urticae (Acari: Tetranychidae) populations from cyprus. Journal of Economic Entomology, 106 1848-1854.
G10059	2010	Lab selected after field-evolved resistance**	Germany-- Berlin	Khajehali, J., Van Leeuwen, T., Grispou, M., Morou, E., Alout, H., Weill, M., Tirry, L., Vontas, J., Tsagkarakou, A. (2010). Acetylcholinesterase point mutations in European strains of Tetranychus urticae (Acari: Tetranychidae) resistant to organophosphates. Pest Management Science, 66 220-228.
G10063	2010	Lab selected after field-evolved resistance**	Belgium	Khajehali, J., Van Leeuwen, T., Grispou, M., Morou, E., Alout, H., Weill, M., Tirry, L., Vontas, J., Tsagkarakou, A. (2010). Acetylcholinesterase point mutations in European strains of Tetranychus urticae (Acari: Tetranychidae) resistant to organophosphates. Pest Management Science, 66 220-228.
G10067	2010	Lab selected after field-evolved resistance**	Greece-- Athens	Khajehali, J., Van Leeuwen, T., Grispou, M., Morou, E., Alout, H., Weill, M., Tirry, L., Vontas, J., Tsagkarakou, A. (2010). Acetylcholinesterase point mutations in European strains of Tetranychus urticae (Acari: Tetranychidae) resistant to organophosphates. Pest Management Science, 66 220-228.
G2351	1974	Field Evolved Resistance	Poland	Lakocy, A. (1974). Communication to FAO.

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