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: psylla pyricola

Order	Family	Common Name(s)	Group	Host
homoptera	psyllidae	pear psylla	AG	pear

Active Ingredient: azinphos-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 86500	Shaugnessy Code: 58001

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4244	1984	Field Evolved Resistance	USA-- Utah	Davis, D.W. (1984). Personal communication.
G2613	1974	Field Evolved Resistance	USA-- Michigan	Howitt, A.J. (1974). Communication to FAO.
G2614	1974	Field Evolved Resistance	USA-- New England	Jensen, G.L. (1974). Communication to FAO.
G2046	1972	Field Evolved Resistance	USA-- Oregon	Westigard, P. H. and Zwick, R. W. (1972). The pear psylla in Oregon.. Oreg. State Univ. Agric. Stn. Tech. Bull. 122, 22 pp..
G932	1965	Field Evolved Resistance	Canada-- British Columbia	McMullen, R.C. (1965). In: FAO 1967.
G933	1965	Field Evolved Resistance	USA-- Washington	Harries, F. H. and Burts, E. C. (1965). Insecticide resistance in the pear psylla (P.. pyricola Forster.). J. Econ. Entomol., 58 172-73.

*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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