Reported Resistance Case(s)

Species: cacopsylla pyri

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

Active Ingredient: amitraz

MOA: Octopaminergic agonist, Amitraz
Group: FORM	CAS #: 33089611	Shaugnessy Code: 106201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5790	1999	Unspecified	France-- Pont Saint Esprit	Bues, R., J.F. Boudinhon, and F.F. D'Arcier. (1999). Geographic and seasonal variability of resistance to insecticides in Cacopsylla pyri L. (Hom., Psyllidae).. Journal of Applied Entomology, 123 289-297.

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