Reported Resistance Case(s)

Species: tetranychus viennensis

Order	Family	Common Name(s)	Group	Host
acari	tetranychidae	hawthorn spider mite	AG	pear

Active Ingredient: demeton-S-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 8022002	Shaugnessy Code: 58701

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G2104	1973	Field Evolved Resistance	Japan	Anon. 1973. (1973).

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