Reported Resistance Case(s)

Species: psylla pyricola

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

Active Ingredient: dimethoate

MOA:	Acetylcholine esterase inhibitors, Organophophates
Group:	OP CAS #: 60155 Shaugnessy Code: 35001

Resistance Case(s)

Case Id	Year of Report	Location	Reference
	1965	Canada -- British Columbia	McMullen, R.C. (1965). In: FAO 1967.