Reported Resistance Case(s)

Species: psylla pyricola

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

Active Ingredient: Organophosphates - Unspecified In Literature

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 0	Shaugnessy Code: 0

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4243	1984	Field Evolved Resistance	Switzerland	Staubli 1984. (1984).
G931	1965	Field Evolved Resistance	Israel	Plaut, H.N. (1965). In: FAO 1967.

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