Reported Resistance Case(s)

Species: haematobia irritans

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

Active Ingredient: fenvalerate

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 51630581	Shaugnessy Code: 109301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5279	1990	Field Evolved Resistance	USA-- Illinois	Weinzierl, R.A., C.D. Schmidt, D.B. Faulkner, G.F. Cmarik, and G.D. Zinn. (1990). Chronology of Permethrin Resistance in a Southern Illinois Population of the Horn Fly (Diptera: Muscidae) During and After Selection by Pyrethroid Use. Journal of Economic Entomology, 83(3) 690-697.
G4699	1986	Field Evolved Resistance	USA-- California	Dunning, L. L., Johnson, W. H., Knight, R. S., Loomis, E. C., McDougald, N. K., Smith, P. D. and Wilson, C. B. (1986). Horn fly resistance to pyrethroids.. Calif. Agric., 40 8-10.
G4700	1986	Field Evolved Resistance	USA-- Kentucky	Cilek, J. E. and Knapp, F. W. (1986). A field test kit for the determination of insecticide resistance in horn fly populations.. J. Agric. Entomol., 3 201-206.
G4295	1985	Field Evolved Resistance	USA-- Florida	Schmidt, C. D., Kunz, S. E., Peterson, H. D. and Robertson, J. L. (1985). Susceptibility of hornflies (Diptera: Muscidae) to permethrin and fenvalerate.. J. Econ. Entomol., 78 402-06.
G4189	1984	Field Evolved Resistance	USA-- Louisiana	Quisenberry, S. S., Lockwood, J. A. , Byford, R. L., Wilson, H. K. and Sparks, T. C. (1984). Pyrethroid resistance in the horn fly haematobia irritans (Diptera: Muscidae) J.. Econ. Entomol., 77 1095-98.
G4190	1984	Field Evolved Resistance	USA-- Nebraska	Keith, D.L. (1984). Personal communication.
G4024	1982	Field Evolved Resistance	Australia-- Queensland	Schnitzerling, H. J., Noble, P. J., Macqueen, A. and Durham, R. J. (1982). Resistance of the bufallo fly, Haematobia irritans exigua (DeMeijere), to two synthetic pyrethroids and DDT.. J. Aust. Ent. Soc., 21 77-80.

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