Reported Resistance Case(s)

Species: amblyomma variegatum

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

Active Ingredient: sodium arsenite

MOA: Unknown Mode of Action (general), Undetermined MOA
Group: INORG	CAS #: 7784-46-5	Shaugnessy Code: 13603

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3284	1976	Field Evolved Resistance	Zambia	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.
G2801	1975	Field Evolved Resistance	South Africa	Howell 1975. (1975).

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