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: sitophilus oryzae

Order Family Common Name(s) Group Host
coleoptera curculionidae lesser rice weevil AG corn, rice, sorghum, stored grain

Active Ingredient: chloropicrin

MOA: Compounds of unknown or non-specific mode of action (fumigants), Chloropicrin
Group: FUM CAS #: 760602 Shaugnessy Code: 81501

Resistance Case(s)

Case Id Year of Report Type of Resistance Location Reference
G3508 1979 Field Evolved Resistance
China Champ 1979. (1979).
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.