Reported Resistance Case(s)

Species: panonychus ulmi

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

Active Ingredient: fenson

MOA: Unknown Mode of Action (general), Undetermined MOA
Group: MISC	CAS #: 80-38-6	Shaugnessy Code: 20101

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G2270	1974	Field Evolved Resistance	Norway	Anon. 1974c. (1974).
G633	1965	Field Evolved Resistance	United Kingdom	Dicker, G.H.L. (1965). In: FAO 1967.
G634	1965	Field Evolved Resistance	USA-- Washington	Hoyt, S.C. (1965). In: FAO 1967.

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