Reported Resistance Case(s)

Species: rhipicephalus microplus

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

Active Ingredient: Organophosphates - Unspecified In Literature

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 0	Shaugnessy Code: 0

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4812	1986	Field Evolved Resistance	South Africa	WHO 1986. (1986).
G3312	1976	Field Evolved Resistance	Argentina	Wharton, R. H. (1976). Tick-borne livestock diseases and their vectors: Part 5.. Acaricide resistance and alternative methods of tick control. World Anim. Rev., 20 8-15.
G3313	1976	Field Evolved Resistance	Brazil	Wharton, R. H. (1976). Tick-borne livestock diseases and their vectors: Part 5.. Acaricide resistance and alternative methods of tick control. World Anim. Rev., 20 8-15.
G3314	1976	Field Evolved Resistance	Colombia	Wharton, R. H. (1976). Tick-borne livestock diseases and their vectors: Part 5.. Acaricide resistance and alternative methods of tick control. World Anim. Rev., 20 8-15.
G3315	1976	Field Evolved Resistance	Venezuela	Wharton, R. H. (1976). Tick-borne livestock diseases and their vectors: Part 5.. Acaricide resistance and alternative methods of tick control. World Anim. Rev., 20 8-15.

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