Reported Resistance Case(s)

Species: bemisia tabaci

Order	Family	Common Name(s)	Group	Host
homoptera	aleyrodidae	sweetpotato whitefly	AG	cotton

Active Ingredient: methamidophos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 10265926	Shaugnessy Code: 101201

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G6772	2001	Unspecified	Colombia-- Cordoba	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6780	2001	Unspecified	Colombia-- Cordoba	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6779	2001	Unspecified	Colombia-- Cordoba	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6778	2001	Unspecified	Colombia-- Sucre	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6777	2001	Unspecified	Colombia-- Cordoba	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6776	2001	Unspecified	Colombia-- Sucre	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6775	2001	Unspecified	Colombia-- Sucre	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6774	2001	Unspecified	Colombia-- Cordoba	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6773	2001	Unspecified	Colombia-- Atlantico	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6771	2001	Unspecified	Colombia-- Guajira	Cardona, C., F. Rendon, J. Garcia, A. Lopez-Avila, J.M. Bueno, and J.D. Ramirez. (2001). Resistencia a insecticidas en Bemisia tabaci y Trialeurodes vaporariorum (Homoptera: Aleyrodidae) en Colombia y Ecuador. Revista Colombiana de Entomologia, Vol. 27(1-2): 33-38 Vol. 27(1-2): 33-38.
G6547	2000	Unspecified	Nicaragua-- Dept. of Granada-- Nandaime	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6546	2000	Unspecified	Nicaragua-- Dept. of Matagalpa-- Sebaco	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6545	2000	Unspecified	Nicaragua-- Dept of Leon-- Leon	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G6544	2000	Unspecified	Nicaragua-- Dept. of Chinandega-- DEl Viejo	Perez, C.J., P. Alvarado, C. Narvaez, F. Miranda, L. Hernandez, H. Vanegas, A. Hruska, and A.M. Shelton. (2000). Assessment of Insecticide Resistance in Five Insect Pests Attacking Field and Vegetable Crops in Nicaragua. Journal of Economic Entomolgy, 93(6) 1779-1787.
G5710	1996	Unspecified	Pakistan	Cahill, M., I. Denholm, G. Ross, K. Gorman, and D. Johnston. (1996). Relationship between bioassay data and the simulated field performance of insecticides against susceptible and resistant adult Bemisia tabaci (Homoptera: Aleyrodidae). Bulletin of Entomological Research, 86 109-116.
G4982	1988	Field Evolved Resistance	Sudan	Dittrich, V., Uk, S. and Ernst, G.H. (1988). Personal communication.
G4981	1988	Field Evolved Resistance	Guatemala	Dittrich, V., Uk, S. and Ernst, G.H. (1988). Personal communication.
G4310	1985	Field Evolved Resistance	Turkey	Dittrich 1985. (1985).

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