Reported Resistance Case(s)

Species: phorodon humuli

Order	Family	Common Name(s)	Group	Host
homoptera	aphididae	hop aphid	AG	hop, plum

Active Ingredient: methamidophos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 10265926	Shaugnessy Code: 101201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3970	1981	Field Evolved Resistance	Germany	Hrdy, I. (1981). Personal communications.

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