Reported Resistance Case(s)

Species: rhipicephalus microplus

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

Active Ingredient: dieldrin

MOA: GABA-gated chloride channel antagonists, Cyclodiene organochlorines
Group: CYCLO	CAS #: 60-57-1	Shaugnessy Code: 45001

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G138	1957	Field Evolved Resistance	Australia-- Queensland	Stone, B. F. and Meyers, R. A. J. (1957). Dieldrin resistant cattle ticks Boophilus microplus (Canestrini) in Queensland.. Aust. J. Agric. Res., 8 312-17.

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