Reported Resistance Case(s)

Species: phyllonorycter blancardella

Order	Family	Common Name(s)	Group	Host
lepidoptera	gracillariidae	spotted tentiform leafminer	AG	apple

Active Ingredient: methomyl

MOA: Acetylcholine esterase inhibitors, Carbamates
Group: CAR	CAS #: 16752775	Shaugnessy Code: 90301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5213	1990	Field Evolved Resistance	Canada	Pree, D.J., D.B. Marshall, and D.E. Archibald. (1990). Resistance to Methomyl in populations of the spotted tentiform leafminer (lepidoptera: Gracillaridae) from Southern Ontario. Journal of Economic Entomology, 83(2) 320-324.
G5249	1990	Field Evolved Resistance	Canada-- Ontario	Pree, D. J., Marshall, D. B. and Archibald, D. E. (1990). Resistance to methomyl in populations of the spotted tentiform leafminer (Lepidoptera: Gracillaridae) from southern Ontario.. J. Econ. Entomol., 83 320-324.

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