Reported Resistance Case(s)
	
		| Order | Family | Common Name(s) | Group | Host | 
	
		| homoptera | diaspididae | california red scale | AG | citrus | 
Active Ingredient: malathion
	
		| MOA: Acetylcholine esterase inhibitors, Organophophates | 
	
		| Group: OP | CAS #: 121755 | Shaugnessy Code: 57701 | 
Resistance Case(s)
	
		| Case Id | Year of Report | Type of Resistance | Location | Reference | 
		
		| G3548 | 1979 | Field Evolved Resistance 
 | South Africa | Nel, J. J. C., de Lange, L. and van Ark, H. (1979). Resistance of citrus red scale, Aonidella aurantii (Mask.) to insecticides.. J. Entomol. Soc. Southern Afr., 42 275-81. | 
		
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.