Reported Resistance Case(s)

Species: panonychus ulmi

Order	Family	Common Name(s)	Group	Host
acari	tetranychidae	european red mite	AG	fruit trees

Active Ingredient: demeton-S-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 8022002	Shaugnessy Code: 58701

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G1619	1970	Field Evolved Resistance	France	Pfeiffer, C. I. And Ayats, J. F. (1970). Resistance a deux acaricides organophosphores d'une souche d'acariens dans la region parisienne.. Phytoma, 218 33-37.
G1518	1969	Field Evolved Resistance	Korea	Lee, S.C. (1969). Resistance to parathion and kelthane of mites in Korea.. Korean Soc. Plant. Prot., 12 91-96.
G681	1965	Field Evolved Resistance	Norway	Fjelddalen, J. (1965). In: FAO 1967.
G682	1965	Field Evolved Resistance	United Kingdom	Dicker, G.H.L. (1965). In: FAO 1967.

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