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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: permethrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR CAS #: 52645-53-1 Shaugnessy Code: 109701

Resistance Case(s)

Case Id Year of Report Type of Resistance Location Reference
G17015 2007
Lab selected*

USA--
Texas--
Hidalgo
Miller, R., Davey, R., and George, J. (2007). First Report of Permethrin-Resistant Boophilus microplus (Acari: Ixodidae) Collected Within the United States. Journal of Medical Entomology, 44 (2) 308-315.
G7791 2007 Field Evolved Resistance
USA--
Texas--
Hidalgo
Miller, Robert, J. Davey, Ronald, B. and George, John, E. (2007). First Report of Permethrin-Resistant Boophilus microplus (Acari: Ixodidae) Collected Within the United States. Journal of Medcail Entomology, 44(2) 308-315.
G7792 2007 Field Evolved Resistance
USA--
Texas--
Hidalgo
Miller, Robert, J. Davey, Ronald, B. and George, John, E. (2007). First Report of Permethrin-Resistant Boophilus microplus (Acari: Ixodidae) Collected Within the United States. Journal of Medcail Entomology, 44(2) 308-315.
G7823 2007 Field Evolved Resistance
Brazil Li, Andrew Y., Chen, Andrew C., Miller, Robert J., Davey, Ronald B., and George,John E. (2007). Acaricide resistance and synergism between permethrin and amitraz against susceptible and resistant strains of Boophilus microplus (Acari: Ixodidae). Pest Management Science, 62 822-889.
G7822 2007 Field Evolved Resistance
USA Li, Andrew Y., Chen, Andrew C., Miller, Robert J., Davey, Ronald B., and George,John E. (2007). Acaricide resistance and synergism between permethrin and amitraz against susceptible and resistant strains of Boophilus microplus (Acari: Ixodidae). Pest Management Science, 62 822-889.
G7824 2007 Field Evolved Resistance
Mexico--
Tamaulipas
Li, Andrew Y., Chen, Andrew C., Miller, Robert J., Davey, Ronald B., and George,John E. (2007). Acaricide resistance and synergism between permethrin and amitraz against susceptible and resistant strains of Boophilus microplus (Acari: Ixodidae). Pest Management Science, 62 822-889.
G8664 2008 Field Evolved Resistance
Brazil Li, A. Y., Davey, R. B., Miller, R. J., Guerrero, F. D., and George, J. E. (2008). Genetics and Mechanism of Permethrin Resistance in the Santa Luiza Strain of Boophilus microplus (Acari: Ixodidae). Journal of Medical Entomology, 45 4277-438.
G8665 2008 Field Evolved Resistance
Brazil Li, A. Y., Davey, R. B., Miller, R. J., Guerrero, F. D., and George, J. E. (2008). Genetics and Mechanism of Permethrin Resistance in the Santa Luiza Strain of Boophilus microplus (Acari: Ixodidae). Journal of Medical Entomology, 45 4277-438.
G8667 2008
Lab selected after field-evolved resistance**

Brazil Li, A. Y., Davey, R. B., Miller, R. J., Guerrero, F. D., and George, J. E. (2008). Genetics and Mechanism of Permethrin Resistance in the Santa Luiza Strain of Boophilus microplus (Acari: Ixodidae). Journal of Medical Entomology, 45 4277-438.
G16864 2013 Field Evolved Resistance
Mexico--
Tamaulipas--
Soto la Marina
Miller, R. J., Almazan, C., Ortiz-Estrada, M., Davey, R. B., George, J. E., and Perez De Leon, A. (2013). First report of fipronil resistance in Rhipicephalus (Boophilus) microplus of Mexico. Veterinary Parasitology, 191 97-101.
G16862 2013 Field Evolved Resistance
Mexico--
Tamaulipas--
Victoria
Miller, R. J., Almazan, C., Ortiz-Estrada, M., Davey, R. B., George, J. E., and Perez De Leon, A. (2013). First report of fipronil resistance in Rhipicephalus (Boophilus) microplus of Mexico. Veterinary Parasitology, 191 97-101.
G16860 2013 Field Evolved Resistance
Mexico--
Tamaulipas--
Victoria
Miller, R. J., Almazan, C., Ortiz-Estrada, M., Davey, R. B., George, J. E., and Perez De Leon, A. (2013). First report of fipronil resistance in Rhipicephalus (Boophilus) microplus of Mexico. Veterinary Parasitology, 191 97-101.
G16867 2013 Field Evolved Resistance
Mexico--
Tamaulipas--
Soto la Marina
Miller, R. J., Almazan, C., Ortiz-Estrada, M., Davey, R. B., George, J. E., and Perez De Leon, A. (2013). First report of fipronil resistance in Rhipicephalus (Boophilus) microplus of Mexico. Veterinary Parasitology, 191 97-101.
G19021 2007 Field Evolved Resistance
USA Li, A., Chen, A., Miller, R., Davey, R., and George, J. (2007). Acaricide resistance and synergism between permethrin and amitraz against susceptible and resistant strains of Boophilus microplus (Acari: Ixodidae). Pest Management Science , 63 882-889.
G10566 2004
Lab selected after field-evolved resistance**

Brazil--
Santa Luzia
Li, A. Y., Davey, R. B., Miller, R. J., and George, J. E. (2004). Detection and Characterization of Amitraz Resistance in the Southern Cattle Tick, Boophilus microplus (Acari: Ixodidae). Journal of Medical Entomology, 41(2) 193-200.
G17028 2004 Field Evolved Resistance
Brazil--
Santa Luiza
Li, A. Y., Davey, R. B., Miller, R. J., and George, J. E. (2004). Detection and Characterization of Amitraz Resistance in the Southern Cattle Tick, Boophilus microplus (Acari: Ixodidae). Journal of Medical Entomology, 41(2) 193-200.
G17052 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.
G17055 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.
G15944 2010 Field Evolved Resistance
Mexico--
Nuevo Leon--
Pesqueria
Li, A. Y., Davey, R. B., and Miller, R. J. (2010). Laboratory Evaluation of Verbutin as a Synergist of Acaricides Against Larvae of Rhipicephalus (Boophilus) microplus (Acari: Ixodidae). Journal of Economic Entomology, 103(4) 1360-1364.
G15945 2010 Field Evolved Resistance
Brazil--
Minas Gerais--
Santa Luiza
Li, A. Y., Davey, R. B., and Miller, R. J. (2010). Laboratory Evaluation of Verbutin as a Synergist of Acaricides Against Larvae of Rhipicephalus (Boophilus) microplus (Acari: Ixodidae). Journal of Economic Entomology, 103(4) 1360-1364.
G6328 1999 Unspecified
Mexico--
Veracruz--
Coatzacoalcos
Miller, R.J., R.B. Davey, and J.E. George. (1999). Characterization of Pyrethroid Resistance and Susceptibility to Coumaphos in Mexican Boophilus microplus (Acari: Ixodidae).. Journal of Medical Entomolgoy, (36)5 533-538.
G6327 1999 Unspecified
Mexico--
Tamaulipas--
Sota la Marina
Miller, R.J., R.B. Davey, and J.E. George. (1999). Characterization of Pyrethroid Resistance and Susceptibility to Coumaphos in Mexican Boophilus microplus (Acari: Ixodidae).. Journal of Medical Entomolgoy, (36)5 533-538.
G6326 1999 Unspecified
Mexico--
Colima
Miller, R.J., R.B. Davey, and J.E. George. (1999). Characterization of Pyrethroid Resistance and Susceptibility to Coumaphos in Mexican Boophilus microplus (Acari: Ixodidae).. Journal of Medical Entomolgoy, (36)5 533-538.
G15946 2010 Field Evolved Resistance
Mexico--
Tamaulipas
Li, A. Y., Davey, R. B., and Miller, R. J. (2010). Laboratory Evaluation of Verbutin as a Synergist of Acaricides Against Larvae of Rhipicephalus (Boophilus) microplus (Acari: Ixodidae). Journal of Economic Entomology, 103(4) 1360-1364.
G16994 2006
Lab selected after field-evolved resistance**

Mexico--
Tamaulipas--
Soto la Marina
Davey, R. B., George, J. E., and Miller, R. J. (2006). Comparison of the reproductive biology between acaricide-resistant and acaricide-susceptible Rhipicephalus (Boophilus) microplus (Acari: Ixodidae). Veterinary Parasitology, 139 211-220.
G3558 1979 Field Evolved Resistance
Australia--
Queensland
Nolan, J., Roulston, W. J. and Schnitzerling, H. J. (1979). The potential of some synthetic pyrethroids for control of the cattle tick (Boophilus microplus).. Aust. Vet. Jounral., 55 463-66.
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.