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: therioaphis maculata

Order	Family	Common Name(s)	Group	Host
homoptera	aphididae	spotted alfalfa aphid	AG	alfalfa

Active Ingredient: demeton

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 8065483	Shaugnessy Code: 57601

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G159	1958	Field Evolved Resistance	USA-- California	Stern, V. M. and Reynolds, H. T. (1958). Resistance of the spotted alfalfa aphid to certain organophosphorus insecticides in southern Caifronia.. J. Econ. Entmol., 51 312-16.

*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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