Reported Resistance Case(s)

Species: anthonomus grandis

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

Active Ingredient: toxaphene

MOA: GABA-gated chloride channel antagonists, Cyclodiene organochlorines
Group: CYCLO	CAS #: 8001-35-2	Shaugnessy Code: 80501

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G552	1965	Field Evolved Resistance	Venezuela	Angeles 1965. (1965).
G553	1965	Field Evolved Resistance	USA-- Georgia-- Ashburn	Ivey, W.D. (1965). In: FAO 1967.
G199	1960	Field Evolved Resistance	USA-- Alabama	Roussel, J. S. (1960). Current status of boll weevil (Anthonomus grandis) resistance to insecticides and survey for infested areas.. Misc. Pub. Entomol. Soc. Am., 2 45-48.
G200	1960	Field Evolved Resistance	USA-- North Carolina	Roussel, J. S. (1960). Current status of boll weevil (Anthonomus grandis) resistance to insecticides and survey for infested areas.. Misc. Pub. Entomol. Soc. Am., 2 45-48.
G201	1960	Field Evolved Resistance	USA-- Oklahoma	Roussel, J. S. (1960). Current status of boll weevil (Anthonomus grandis) resistance to insecticides and survey for infested areas.. Misc. Pub. Entomol. Soc. Am., 2 45-48.
G167	1959	Field Evolved Resistance	USA-- Mississippi	Roussel, J. S., Blum, M. S. and Earle, N. W. (1959). Joint action of DDT and other chlorinated hydrocarbon insecticides against resistant boll weevils.. J. Econ. Entomol., 52 403-509.
G97	1957	Field Evolved Resistance	USA-- Arkansas	Furr, R.E., Lloyd, E.P. and Merke, M.E. (1957). In: Brown 1971.
G98	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.
G99	1957	Field Evolved Resistance	USA-- Texas	Furr, R.E., Lloyd, E.P. and Merke, M.E. (1957). In: Brown 1971.
G100	1957	Field Evolved Resistance	USA-- South Carolina	Gaines, R. C. (1957). Resistance to insecticides.. Agric. Chem., 12 41-42.

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