Reported Resistance Case(s)

Species: pseudococcus maritimus

Order	Family	Common Name(s)	Group	Host
homoptera	pseudococcidae	grape mealybug	AG	grape

Active Ingredient: parathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 56382	Shaugnessy Code: 57401

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G4063	1982	Field Evolved Resistance	USA-- California	Flaherty, D. L., Peacock, W. L., Bettiga, L. and Leavitt, G. M. (1982). Chemicals losing effect against grape mealybug.. Calif. Agric., 36 15-16.

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