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: spirotetramat

MOA: Inhibitors of lipid synthesis, Tetronic acid derivitives
Group: TETR	CAS #: 203313251	Shaugnessy Code:

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G15606	2013	Lab selected after field-evolved resistance**	Belgium-- East Flanders-- Ghent	Demaeght, P., Dermauw, W., Tsakireli, D., Khajehali, J., Nauen, R., Tirry, L., Vontas, J., Lummen, P., and Van Leeuwen, T. (2013). Molecular analysis of resistance to acaricidal spirocyclic tetronic acids in Tetranychus urticae: CYP392E10 metabolizes spirodiclofen, but not its corresponding enol. Insect Biochemistry and Molecular Biology, 43 544-554.
G17122	2014	Lab selected*	China-- Shandong-- Tai'an	Tang, X., Zhang, Y., Wu, Q., Xie, W., and Wang, S. (2014). Stage-Specific Expression of Resistance to Different Acaricides in Four Field Populations of Tetranychus urticae (Acari: Tetranychidae). Journal of Economic Entomology, 107(5) 1900-1907.

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