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 zeamais

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

Active Ingredient: chlorpyrifos-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 5598130	Shaugnessy Code: 59102

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G6296	2003	Unspecified	Brazil-- Mato Grosso do Sul	Ribeiro, B.M., R.N.C. Guedes, E.E. Oliveira, and J.P. Santos. (2003). Insecticide resistanceand synergism in Brazilian populations of Sitophilus zeamais (Coleoptera: Curculiondae).. Journal of Stored Products, 39 21-31.

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

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