Reported Resistance Case(s)

Species: myzus persicae

Order	Family	Common Name(s)	Group	Host
homoptera	aphididae	green peach aphid	AG	flower, crops, fruit, trees, grains, tobacco, vegetables

Active Ingredient: isofenphos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 25311711	Shaugnessy Code: 109401

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3216	1976	Field Evolved Resistance	Canada-- British Columbia	Campbell, C. J. and Finlayson, D. G. (1976). Comparative efficacy of insecticides against tuber beetle and aphids in potatoes in British Columbia.. Can. J. Pl. Sci., 56 869-75.

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