Reported Resistance Case(s)

Species: rhipicephalus microplus

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

Active Ingredient: cyhalothrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 91465086	Shaugnessy Code: 128897

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G17037	1989	Field Evolved Resistance	Australia-- Queensland	Nolan, J., Wilson, J.T., Green, P.E. and Bird, P.E. (1989). Synthetic pyrethroid resistance in field samples in the cattle tick (Boophilus microplus). Australian Veterinary Journal, 66(6) 179-182.

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