Reported Resistance Case(s)

Species: rhizotrogus=amphimal majalis

Order	Family	Common Name(s)	Group	Host
coleoptera	scarabaeidae	european chafer	AG	alfalfa

Active Ingredient: dieldrin

MOA: GABA-gated chloride channel antagonists, Cyclodiene organochlorines
Group: CYCLO	CAS #: 60-57-1	Shaugnessy Code: 45001

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G1959	1971	Field Evolved Resistance	USA-- New York	Tashiro, H., Personius, K. E., Zinter, D. and Zinter, M. (1971). Resistance of the European chafer to cyclodiene insecticides.. J. Econ. Entomol., 64 242-45.

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