Reported Resistance Case(s)

Species: panonychus ulmi

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

Active Ingredient: clofentezine

MOA: Compounds of unknown or non-specific mode of action (mite growth inhibitors), Clofentezine, Hexythiazox
Group: TETR	CAS #: 74086	Shaugnessy Code:

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G6605	2001	Unspecified	France	Nauen, R., N. Stumpf, A. Elbert, C.P.W. Zebitz, and W. Kraus. (2001). Acaricide toxicity and resistance in larvae of different strains of Tetranychus urticae and Panonychus ulmi (Acari: Tetranychidae). Pest Manag Sci, 57 253-261.
G5325	1991	Unspecified	Australia-- New South Wales	Graham, T.W. (1991). Resistance to Clofentezine and Hexythiazox in Panonychus ulmi from apples in Australia. Experimental & Applied Acarology, 11 73-80.
G5327	1991	Unspecified	USA-- Pennsylvania	Reissig, W.H., and L.A. Hull. (1991). Hexythiazox Resistance in a Field Population of European Red Mite (Acari: Tetranychidae) on Apples. Journal of Economic Entomology, 84(3) 727-735.

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