Reported Resistance Case(s)

Species: phorodon humuli

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

Active Ingredient: acephate

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 30560191	Shaugnessy Code: 103301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4740	1986	Field Evolved Resistance	Austria	Brumel, S. and Hausdorf, H. (1986). Preliminary studies on the resistance of Phorodon humuli Schr.. To insecticides in Austria. Pflanzenschutzberichte., 47(3) 39-42.
G3949	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.

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