Reported Resistance Case(s)

Species: hypera postica

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

Active Ingredient: isobenzan

MOA: GABA-gated chloride channel antagonists, Cyclodiene organochlorines
Group: CYCLO	CAS #: 297-78-9	Shaugnessy Code: 58501

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G1169	1967	Field Evolved Resistance	USA-- Virginia	(1967). Report of the First Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1965.
G1171	1967	Field Evolved Resistance	USA-- Utah	(1967). Report of the First Session of the FAO Working Party of Experts on Resistance of Pests to Pesticides.. FAO, Rome 1965.
G594	1965	Field Evolved Resistance	USA-- California	Koehler, C.S. (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.