Reported Resistance Case(s)

Species: blattella germanica

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

Active Ingredient: pyrethrins

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 8003347	Shaugnessy Code: 69000

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G5184	1990	Field Evolved Resistance	USA	Siegfried, B.D., J.G. Scott, R.T. Roush, and B.C. Zeichner. (1990). Biochemistry and Genetics of Chlorpyrifos Resistance in the German Cockroach, Blattella germanica (L.). Pesticide Biochemistry and Physiology, 38 110-121.
G5042	1988	Field Evolved Resistance	USA-- Virginia	Cochran, D.G. (1988). Unpubl. Data.
G4914	1987	Field Evolved Resistance	USA-- North Carolina	Cochran, D.G. (1987). Effects of synergists on bendiocarb and pyrethrins resistance in the German cockroach (Dictyoptera: Blattelidae).. J. Econ. Entomol., 80 728-732.
G4341	1985	Field Evolved Resistance	Finland	Markkula, M. and Kurppa, S. (1985). Resistance of insects and mites to pesticides in Finland.. Ann. Agric. Fenn., 24 161-174.
G2157	1973	Field Evolved Resistance	USA-- Colorado	Cochran, D. G. (1973). Inheritance of malathion resistance in the German cockroach.. Ent. Exp. Appl., 16 83-90.
G2158	1973	Field Evolved Resistance	USA-- Kentucky	Cochran, D. G. (1973). Inheritance of malathion resistance in the German cockroach.. Ent. Exp. Appl., 16 83-90.
G92	1956	Field Evolved Resistance	USA-- Alabama	Keller, J. C., Clark, P. H. and Lofgren, C. S. (1956). Susceptibility of insecticide-resistant cockroaches to pyrethrins.. Pest Control., 24 14-15.
G93	1956	Field Evolved Resistance	USA-- Texas	Keller, J. C., Clark, P. H. and Lofgren, C. S. (1956). Susceptibility of insecticide-resistant cockroaches to pyrethrins.. Pest Control., 24 14-15.

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