Reported Resistance Case(s)

Species: anthonomus grandis

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	boll weevil	AG	cotton

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
G1033	1965	Field Evolved Resistance	Mexico	Bordas, E. (1965). In: FAO 1967.
G1034	1965	Field Evolved Resistance	USA-- Mississippi	Pate, T.L. and Hamner, A.L. (1965). In: FAO 1967.
G136	1957	Field Evolved Resistance	USA-- Louisiana	Roussel, J. S., and Clower, D. (1957). Resistance to the chlorinated hydrocarbons in the boll weevil.. J. Econ. Entomol., 50 463-78.

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