Reported Resistance Case(s)

Species: tetranychus viennensis

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

Active Ingredient: schradan

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 152-16-9	Shaugnessy Code: 58601

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3352	1977	Field Evolved Resistance	China	Anon. (1977). An examination of the resistance of Tetranychus viennensis Zacher to organophosphate insecticides.. Acta Entomol. Sin., 20 33-38.

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