Reported Resistance Case(s)

Species: rhipicephalus microplus

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

Active Ingredient: toxaphene

MOA: GABA-gated chloride channel antagonists, Cyclodiene organochlorines
Group: CYCLO	CAS #: 8001-35-2	Shaugnessy Code: 80501

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G95	1956	Field Evolved Resistance	Australia-- Queensland	Norris, K. R. and Stone, B. F. (1956). Toxaphene resistant cattle ticks (Boophilus microplus Canestini) occurring in Queensland.. Aust. J. Agric. Res., 7 221-26.

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