Skip to main content


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 viennensis

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

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
G4951 1988 Field Evolved Resistance
China Tang, Z. H., Gong, K. Y. and You, Z. P. (1988). Present status and countermeasures of insecticide resistance in agricultural pests in China.. Pestic. Sci., 23 189-198.
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.