Reported Resistance Case(s)

Species: ctenocephalides felis

Order	Family	Common Name(s)	Group	Host
siphonaptera	pulicidae	cat flea	MED	cat, human

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
G1478	1968	Field Evolved Resistance	Puerto Rico	Fox, I., Rivera, G. A. and Bayona, I. G. (1968). Toxicity of six insecticides to the cat flea.. J. Econ. Entomol., 61 869-70.

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