Reported Resistance Case(s)

Species: phorodon humuli

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

Active Ingredient: thiometon

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 640153	Shaugnessy Code: 456300

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3980	1981	Field Evolved Resistance	Germany	Hrdy, I. (1981). Personal communications.
G3981	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.
G2778	1975	Field Evolved Resistance	Ukraine	Taran, F. I. And Sikura, N. M. (1975). Rezistenthost vreditelej I vozbuditelej boleznej k chimiceskim sredstvam zascity rastenij.. Tezisy Dokladov, 75 75-76.
G2570	1974	Field Evolved Resistance	Belgium	Setuin, E. (1974). Communication to FAO.
G2571	1974	Field Evolved Resistance	Poland	Lakocy, A. (1974). Communication to FAO.
G1433	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.