Reported Resistance Case(s)

Species: bemisia tabaci

Order	Family	Common Name(s)	Group	Host
homoptera	aleyrodidae	sweetpotato whitefly	AG	cotton

Active Ingredient: methidathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 950378	Shaugnessy Code: 100301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5510	1994	Unspecified	Israel	Bloch, G., and D. Wool. (1994). Methidathion resistance in the Sweetpotato Whitefly (Aleyrodidae: Homoptera) in Israel: Selection, Heritability, and Correlated Changes of Esterase Activity. Journal of Economic Entomology, 87(5) 1147-1156.
G4311	1985	Field Evolved Resistance	Turkey	Dittrich 1985. (1985).

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