Reported Resistance Case(s)
	
		| Order | Family | Common Name(s) | Group | Host | 
	
		| homoptera | aphididae | green peach aphid | AG | flower, crops, fruit, trees, grains, tobacco, vegetables | 
Active Ingredient: leptophos
	
		| MOA: Acetylcholine esterase inhibitors, Organophophates | 
	
		| Group: OP | CAS #: 21609-90-5 | Shaugnessy Code: 525300 | 
Resistance Case(s)
	
		| Case Id | Year of Report | Type of Resistance | Location | Reference | 
		
		| G2437 | 1974 | Field Evolved Resistance 
 | USA-- Minnesota
 | Radcliffe, E.B. (1974). Communication to FAO. | 
			
		| G2127 | 1973 | Field Evolved Resistance 
 | USA-- Texas
 | Harding, J. A. (1973). Green peach aphid:  Field trials with newer insecticides on cabbage and spinach.. J. Econ. Entomol., 66 459. | 
		
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.