Reported Resistance Case(s)

Species: boophilus calcaratus

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

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
G2164	1973	Field Evolved Resistance	USSR-- Uzbek	Davilov 1973. (1973).

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