Reported Resistance Case(s)

Species: hypera postica

Order	Family	Common Name(s)	Group	Host
coleoptera	curculionidae	alfalfa weevil	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
G1300	1967	Field Evolved Resistance	USA-- Pennsylvania	(1967). Report of the First Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1965.
G1037	1965	Field Evolved Resistance	USA-- Utah	Davis, D.W. (1965). In: FAO 1967.
G1038	1965	Field Evolved Resistance	USA-- Maryland	Davis, D.W. (1965). In: FAO 1967.
G1039	1965	Field Evolved Resistance	USA-- California	Koehler, C.S. (1965). In: FAO 1967.
G1040	1965	Field Evolved Resistance	USA-- North Carolina	Campbell, W. V. (1965). In: FAO 1967.
G1041	1965	Field Evolved Resistance	USA-- Montana	Pratt, R. (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.