Reported Resistance Case(s)

Species: aonidiella citrina

Order	Family	Common Name(s)	Group	Host
homoptera	diaspididae	yellow scale	AG

Active Ingredient: chlorpyrifos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 2921882	Shaugnessy Code: 59101

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5646	1995	Unspecified	USA	Grafton-Cardwell, E.E., and S.L.C. Vehrs. (1995). Monitoring for Organophosphate- and Carbamate-Resistant Armored Scale (Homoptera: Diaspididae) in San Joaquin Valley Citrus. Journal of Economic Entomology, 88(3) 495-504.

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