Reported Resistance Case(s)

Species: phorodon humuli

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

Active Ingredient: dimefox

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 115264	Shaugnessy Code: 443100

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3956	1981	Field Evolved Resistance	Germany	Hrdy, I. (1981). Personal communications.
G1423	1968	Field Evolved Resistance	Czechoslovakia	Hrdy, I. And Zeleny, J. (1968). Hop aphid (Phorodon humuli) resistant to thiometon.. Acta entomologica Bohemoslovaca , 65 183-87.

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