Reported Resistance Case(s)

Species: haematobia irritans

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

Active Ingredient: diazinon

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 333415	Shaugnessy Code: 57801

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5466	1993	Unspecified	USA	Mckenzie C.L., and R.L. Byford. (1993). Continuous, Alternating, and Mixed Insecticides Affect Development of resistance in the Horn Fly (Diptera: Muscidae). Journal of Economic Entomology, 86(4) 1040-1048.
G5311	1991	Unspecified	USA-- Arkansas	Cilek, J.E., C.D. Steelman, and F.W. Knapp. (1991). Horn Fly (Diptera: Muscidae) Insecticide Resistance in Kentucky and Arkansas. Journal of Economic Entomology, 84(3) 756-762.

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