Reported Resistance Case(s)

Species: panonychus ulmi

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

Active Ingredient: chlorfenson

MOA: Unknown Mode of Action (general), Undetermined MOA
Group: MISC	CAS #: 80331	Shaugnessy Code: 20201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G2269	1974	Field Evolved Resistance	Canada-- Nova Scotia	MacPhee 1974. (1974).
G2084	1973	Field Evolved Resistance	Japan	Anon. 1973. (1973).
G2085	1973	Field Evolved Resistance	USA-- Michigan	Croft, B. A. and McGroarty, D. L. (1973). A model study of acaricide resistance, spider mite outbreaks, and biological control patterns in Michigan apple orchards.. Environ. Entomol., 2 633-38.
G1186	1967	Field Evolved Resistance	New Zealand	(1967). Report of the First Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1965.
G630	1985	Field Evolved Resistance	USA-- California	Nickel, J.L. (1985). In: FAO 1967.
G631	1965	Field Evolved Resistance	United Kingdom	Dicker, G.H.L. (1965). In: FAO 1967.
G632	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.