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: famphur

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 0	Shaugnessy Code: 0

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G10175	2008	Field Evolved Resistance	Belgium-- Brussels	Van Pottelberge, S., Van Leeuwen, T., Nauen, R., Tirry, L. (2008). Resistance mechanisms to mitochondrial electron transport inhibitors in a field-collected strain of Tetranychus urticae Koch (Acari: Tetranychidae). Bulletin of Entomological Research, 99 22-31.

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