Reported Resistance Case(s)

Species: phorodon humuli

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

Active Ingredient: omethoate

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 1113026	Shaugnessy Code: 35002

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3974	1981	Field Evolved Resistance	Czechoslovakia	Hrdy, I. And Kriz, J. (1981). Insecticide resistance spectrum in Cxechoslovak populations of the hop aphid Phorodon humuli.. 10BC/WPRS Bull., 4(3) 29-39.
G3975	1981	Field Evolved Resistance	United Kingdom	Muir, R. C. and Cranham, J. E. (1981). Resistance to pesticides in damson-hop aphid and red spider mite on English hops.. IOBC/WPRS Bull., 4 11-15.
G2566	1974	Field Evolved Resistance	Germany	Boness, M. and Unterslenhofer, G. (1974). Insektizidresistenz bei Blattlausen.. Z. Angew. Entomol., 77 1-19.

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