Reported Resistance Case(s)

Species: haematobia irritans

Order	Family	Common Name(s)	Group	Host
diptera	muscidae	horn fly	MED	livestock

Active Ingredient: coumaphos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 56724	Shaugnessy Code: 36501

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G16675	2013	Field Evolved Resistance	Mexico-- Guerrero-- Tierra Caliente	Taboada-Romero, L. A., Olivares-Perez, J., gutierrez-Segura, I., Valencia-Almazan, M. T., Rojas-Hernandez, S., and Cordova-Izquierdo, A. (2013). Diagnosis of Resistance Haematobia irritans (Diptera: Muscidae) to Cypermethrin and Coumaphos in Bovines Ranches of Tierra Caliente, Guerrero, Mexico. Revista Cientifica, XXIII 283-286.
G16677	2013	Field Evolved Resistance	Mexico-- Guerrero-- Tierra Caliente	Taboada-Romero, L. A., Olivares-Perez, J., gutierrez-Segura, I., Valencia-Almazan, M. T., Rojas-Hernandez, S., and Cordova-Izquierdo, A. (2013). Diagnosis of Resistance Haematobia irritans (Diptera: Muscidae) to Cypermethrin and Coumaphos in Bovines Ranches of Tierra Caliente, Guerrero, Mexico. Revista Cientifica, XXIII 283-286.
G16679	2013	Field Evolved Resistance	Mexico-- Guerrero-- Tierra Caliente	Taboada-Romero, L. A., Olivares-Perez, J., gutierrez-Segura, I., Valencia-Almazan, M. T., Rojas-Hernandez, S., and Cordova-Izquierdo, A. (2013). Diagnosis of Resistance Haematobia irritans (Diptera: Muscidae) to Cypermethrin and Coumaphos in Bovines Ranches of Tierra Caliente, Guerrero, Mexico. Revista Cientifica, XXIII 283-286.

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