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APRD Survey

Dear Users:

We value your contribution to and use of the Arthropod Pesticide Resistance Database (APRD).

The APRD Team is conducting a Survey to gauge users experiences, our objective is to determine how the database enhances research, and to allow for users to provide feedback, suggestions and requests for potential improvements. Please take the anonymous survey using this link: Link to Survey

Thank you for your Participation,
David Mota-Sanchez
Arthropod Resistance Database Director


Reported Resistance Case(s)

Species: tetranychus urticae

Order Family Common Name(s) Group Host
acari tetranychidae twospotted spider mite AG cotton, fruits, vegetables, walnut, ornamentals

Active Ingredient: hexythiazox + organotin

MOA: Compounds of unknown or non-specific mode of action (mite growth inhibitors), Clofentezine, Hexythiazox
Group: MISC CAS #: Shaugnessy Code:

Resistance Case(s)

Case Id Year of Report Type of Resistance Location Reference
G5612 1995 Unspecified
USA Flexner, J.L., P.H. Westigard, R.Hilton, and B.A. Croft. (1995). Experimental Evaluation of Resistance Management for twospotted spider mite (Acari: Tetranychidae) on Southern Oregon Pear: 1987-1993. Journal of Economic Entomology, 88(6) 1517-1524.
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.