Reported Resistance Case(s)

Species: blattella germanica

Order	Family	Common Name(s)	Group	Host
blattodea	blattellidae	german cockroach	MED

Active Ingredient: fenvalerate

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 51630581	Shaugnessy Code: 109301

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5302	1991	Unspecified	USA	Atkinson, T.H., R.W. Wadleigh, P.G. Koehler, and R.S. Patterson. (1991). Pyrethroid Resistance and Synergism in a field strain of the German Cockroach (Dictyoptera: Blattellidae). Journal of Economic Entomology, 84(4) 1247-1250.
G4938	1988	Field Evolved Resistance	Japan	Umeda, K. T. Yano, and M. Hirano. (1988). Pyrethroid Resistance Mechanism in German Cockroach, Blatella germanica (Orthoptera:Blattellidae). Applied Entomology and Zoology, 23(4) 373-380.
G5037	1988	Field Evolved Resistance	USA-- Kentucky	Cochran 1988b. (1988).
G5038	1988	Field Evolved Resistance	USA-- Virginia	Cochran, D.G. (1988). Unpubl. Data.

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