Reported Resistance Case(s)

Species: panonychus ulmi

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

Active Ingredient: ethion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 563122	Shaugnessy Code: 58401

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G2659	1974	Field Evolved Resistance	USA-- Illinois	Meyer 1974. (1974).
G2660	1974	Field Evolved Resistance	Canada-- Ontario	Herne 1974. (1974).
G2160	1973	Field Evolved Resistance	New Zealand	Helson, G. A. H. (1973). Insect pests of European red mite.. N. Z. J. Agric., 126 30.

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