Reported Resistance Case(s)

Species: myzocallis coryli

Order	Family	Common Name(s)	Group	Host
homoptera	aphididae	filbert aphid	AG	hazlenut

Active Ingredient: oxydemeton-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 301122	Shaugnessy Code: 58702

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5243	1990	Field Evolved Resistance	USA-- Oregon	Katundu, J. M. and Aliniazee, M. T. (1990). Variable resistance of Filbert aphid (Homoptera: Aphididae) to insecticides in the Willamette Valley, Oregon.. J. Econ. Entomol., 83 41-47.

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