Reported Resistance Case(s)

Species: panonychus ulmi

Order	Family	Common Name(s)	Group	Host
acari	tetranychidae	european red mite	AG	fruit trees

Active Ingredient: spirodiclofen

MOA: Inhibitors of lipid synthesis, Tetronic acid derivitives
Group: TETR	CAS #: 0	Shaugnessy Code: 0

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G13717	2011	Lab selected after field-evolved resistance**	Germany-- Heidenfahrt-Heidesheim	Kramer, T., Nauen, R. (2011). Monitoring of spirodiclofen susceptibility in field populations of European red mites, Pananychus ulmi (Kock) (Acari: Tetranychidae), and the cross-resistance pattern of a laboratory-selected strain. Pest Management Science, 67 1285-1293.
G13718	2011	Lab selected after field-evolved resistance**	Germany-- Heidenfahrt-Heidesheim	Kramer, T., Nauen, R. (2011). Monitoring of spirodiclofen susceptibility in field populations of European red mites, Pananychus ulmi (Kock) (Acari: Tetranychidae), and the cross-resistance pattern of a laboratory-selected strain. Pest Management Science, 67 1285-1293.

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