Reported Resistance Case(s)

Species: tetranychus mcdanieli

Order	Family	Common Name(s)	Group	Host
acari	tetranychidae	mcdaniel spider mite	AG	fruit trees, raspberries

Active Ingredient: parathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 56382	Shaugnessy Code: 57401

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G2293	1974	Field Evolved Resistance	USA-- Utah	Davis, D.W. (1974). Communication to FAO.
G35	1952	Field Evolved Resistance	USA-- Washington	O'Neill, W. T. and Hantsbarger, W. H. (1952). Apple and pear insect investigations at the Tree Fruit Experiment Station.. Proc. Wash. State Hort. Assoc., 48 170-73.

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