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: cyhexatin

MOA: Inhibitors of ATP synthase, Organotin miticides
Group: TIN	CAS #: 13121705	Shaugnessy Code: 101601

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5609	1995	Unspecified	USA	Flexner, J.L., P.H. Westigard, R.Hilton, and B.A. Croft. (1995). Experimental Evaluation of Resistance Management for twospotted spider mite (Acari: Tetranychidae) on Southern Oregon Pear: 1987-1993. Journal of Economic Entomology, 88(6) 1517-1524.
G4921	1987	Field Evolved Resistance	USA-- California	Keena, M.A., and J. Garnett. (1987). Cyhexatin and Propargite Resistance in Populations of Spider Mites (Acari: Tetranychidae) from California Almonds. Journal of Economic Entomology, 80 560-564.
G4286	1985	Field Evolved Resistance	USA-- California	Nelson, R. D. (1985). In: Miller et al.. , 1985..
G4287	1985	Field Evolved Resistance	USA-- Oregon	Hoyt, S. C., Westigard, P. H. and Croft, B. A. (1985). Cyhexatin resistance in Oregon populations of Tetranychus urticae (Acarina: Tetranychidae).. J. Econ. Entomol., 78 656-59.
G4162	1984	Field Evolved Resistance	USA-- Washington	Shanks 1984. (1984).
G4021	1982	Field Evolved Resistance	Australia-- New South Wales	Edge, V. E. and James, D. G. (1982). Detection of cyhexatin resistance in two-spotted mite, Tetranychus urticae Koch (Acarina: Tetranychidae) in Australia.. J. Aust. Entomol. Soc., 21 198.

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