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Reported Resistance Case(s)

Species: rhipicephalus microplus

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

Active Ingredient: ethion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP CAS #: 563122 Shaugnessy Code: 58401

Resistance Case(s)

Case Id Year of Report Type of Resistance Location Reference
G17049 2002 Field Evolved Resistance
Mexico--
Tabasco--
Emiliano Zapata
Cespedes, N.S., Vargas, M.S., Sanchez, H.F., and Vazquez, Z.G. (2002). First Case reported of Amitraz resistance in the cattle tick Boophilus microplus in Mexico. Tecnica Pecuaria en Mexico, 40(1) 81-92.
G4259 1984 Field Evolved Resistance
France Brun, L. O., Wilson, J. T. and Nolan, J. (1984). Patterns of resistance in five samples of ethion-resistant cattle tick Boophilus microplus from New Caledonia.. Trop. Pest Management., 30 296-01.
G1588 1969 Field Evolved Resistance
Australia--
Queensland
Roulston, W. J. (1969). Acaricide resistance in the cattle tick, Boophilus microplus, in Austalia.. Proc. 2nd Int. Congr. Acarology, 1967, pp. 515-21.
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.