Reported Resistance Case(s)

Species: phorodon humuli

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

Active Ingredient: formothion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 2540-82-1	Shaugnessy Code: 366400

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G2563	1974	Field Evolved Resistance	Poland	Lakocy, A. (1974). Communication to FAO.

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