Reported Resistance Case(s)

Species: rhipicephalus microplus

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

Active Ingredient: phosalone

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 2310170	Shaugnessy Code: 97701

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G3388	1977	Field Evolved Resistance	Australia-- Queensland	Roulston, W. J., Schuntner, C. A., Schnitzerling, H. J., Wilson, J. T. and Wharton, R. H. (1977). Characterization of three strains of organophosphorus resistant cattle ticks, Boophilus microplus, from Bajool, Tully and Ingram.. Aust. J. Agric. Res., 28 345-54.

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