Reported Resistance Case(s)

Species: rhipicephalus microplus

Order	Family	Common Name(s)	Group	Host
acari	ixodidae	southern/tropical cattle tick	MED	cattle

Active Ingredient: dioxathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 78342	Shaugnessy Code: 37801

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4258	1984	Field Evolved Resistance	France	Brun, L. O., Wilson, J. T. and Nolan, J. (1984). Patterns of resistance in five samples of ethion-resistant cattle tick Boophilus microplus from New Caledonia.. Trop. Pest Management., 30 296-01.
G2673	1974	Field Evolved Resistance	Australia-- New South Wales	Pasfield, G.A. (1974). Communication to FAO.

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