Reported Resistance Case(s)

Species: chrysomyia bezziana

Order	Family	Common Name(s)	Group	Host
diptera	calliphoridae	old world screwworm	MED	cattle

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
G1492	1968	Field Evolved Resistance	South Africa	Baker, J. A. F., McHary, W. M., Thorburn, J. A. and Thompson, G. E. (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.