Reported Resistance Case(s)

Species: tetanops myopaeformis

Order	Family	Common Name(s)	Group	Host
diptera	otitidae	sugarbeet root maggot	AG	sugar beet

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
G1493	1968	Field Evolved Resistance	USA-- Minnesota	Dogger, J. R. (1968). In: FAO 1969.
G1494	1968	Field Evolved Resistance	USA-- North Dakota	Dogger, J. R. (1968). In: FAO 1969.

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