Reported Resistance Case(s)

Species: rhipicephalus microplus

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

Active Ingredient: DDT

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: OCL	CAS #: 50293	Shaugnessy Code: 29201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4811	1986	Field Evolved Resistance	South Africa	WHO 1986. (1986).
G17041	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.
G17042	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.
G3304	1976	Field Evolved Resistance	Argentina	WHO 1976. (1976).
G3311	1976	Field Evolved Resistance	Venezuela	WHO 1976. (1976).
G2668	1974	Field Evolved Resistance	Australia-- New South Wales	Pasfield, G.A. (1974). Communication to FAO.
G1957	1971	Field Evolved Resistance	Brazil	Brown, A. W. A. (1971). Pest resistance to pesticides.. In: ""Pesticides in the Enviroment,"" ed. White-Stevens,, 1 457-552.
G1958	1971	Field Evolved Resistance	Australia-- Queensland	Brown, A. W. A. (1971). Pest resistance to pesticides.. In: ""Pesticides in the Enviroment,"" ed. White-Stevens,, 1 457-552.

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