Reported Resistance Case(s)

Species: haematobia irritans

Order	Family	Common Name(s)	Group	Host
diptera	muscidae	horn fly	MED	livestock

Active Ingredient: ronnel

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 299-84-3	Shaugnessy Code: 58301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G405	1963	Field Evolved Resistance	USA-- Louisiana	Burns, E. C. and Wilson, B. H. (1963). Field resistance of horn flies to the organic phosphate insecticide ronnel.. J. Econ. Entomol., 56 718.

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