Reported Resistance Case(s)

Species: blattella germanica

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

Active Ingredient: malathion

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 121755	Shaugnessy Code: 57701

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G6435	2000	Unspecified	Cuba-- Bayamo	Diaz, C., M.G. Perez, E. Calco, M.M. Rodriguez, and J.A. Bisset. (2000). Insecticide Resistance Studies on Blatella germanica (Dictyoptera: Blatellidae) from Cuba. Annals New York Academy of Sciences, 916 628-634.
G6434	2000	Unspecified	Cuba-- District 26 de Julio	Diaz, C., M.G. Perez, E. Calco, M.M. Rodriguez, and J.A. Bisset. (2000). Insecticide Resistance Studies on Blatella germanica (Dictyoptera: Blatellidae) from Cuba. Annals New York Academy of Sciences, 916 628-634.
G6432	2000	Unspecified	Cuba-- Distric Abel Santamaria	Diaz, C., M.G. Perez, E. Calco, M.M. Rodriguez, and J.A. Bisset. (2000). Insecticide Resistance Studies on Blatella germanica (Dictyoptera: Blatellidae) from Cuba. Annals New York Academy of Sciences, 916 628-634.
G6431	2000	Unspecified	Cuba-- Centro Habana	Diaz, C., M.G. Perez, E. Calco, M.M. Rodriguez, and J.A. Bisset. (2000). Insecticide Resistance Studies on Blatella germanica (Dictyoptera: Blatellidae) from Cuba. Annals New York Academy of Sciences, 916 628-634.
G5180	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.
G5028	1988	Field Evolved Resistance	USA-- California	Cochran 1988b. (1988).
G4772	1986	Field Evolved Resistance	Poland	WHO 1986. (1986).
G4246	1984	Field Evolved Resistance	Czechoslovakia	Ledvinka, J., Rupes, V. and Tomasek, L. (1984). Current resistance of Blattella germanica to insecticides in western Bohemia (Czecholovakia).. Acta Ent. Bohemoslov., 81 171-77.
G4121	1983	Field Evolved Resistance	United Kingdom	Barson, G. and Renn, N. (1983). Laboratory assessment of resistance to commercial insecticide formulations in two strains of the German cockroach, Blattella germanica (L.) Bull.. Ent. Res., 73 491-99.
G2156	1973	Field Evolved Resistance	USA-- Virginia	Cochran, D.G. (1973). Inheritance and linkage of pyrethrins resistance in the German cockroach.. J. Econ. Entomol., 66 27-30.
G1913	1971	Field Evolved Resistance	USA-- South Carolina	Johnson, C. W. and Young, W. W. (1971). Insecticide resistance in natural populations of German cockroaches from the 3rd army area.. J. Econ. Entomol., 64 450-51.
G1912	1971	Field Evolved Resistance	USA-- North Carolina	Johnson, C. W. and Young, W. W. (1971). Insecticide resistance in natural populations of German cockroaches from the 3rd army area.. J. Econ. Entomol., 64 450-51.
G1911	1971	Field Evolved Resistance	USA-- Kentucky	Johnson, C. W. and Young, W. W. (1971). Insecticide resistance in natural populations of German cockroaches from the 3rd army area.. J. Econ. Entomol., 64 450-51.
G1910	1971	Field Evolved Resistance	USA-- Georgia-- Ashburn	Johnson, C. W. and Young, W. W. (1971). Insecticide resistance in natural populations of German cockroaches from the 3rd army area.. J. Econ. Entomol., 64 450-51.
G1909	1971	Field Evolved Resistance	USA-- Alabama	Johnson, C. W. and Young, W. W. (1971). Insecticide resistance in natural populations of German cockroaches from the 3rd army area.. J. Econ. Entomol., 64 450-51.
G1475	1968	Field Evolved Resistance	USA-- Louisiana	Bennet, G. W., and Spink, W. T. (1968). Insecticide resistance of German cockroaches from various areas of Louisana.. J. Econ. Entomol., 61 426-31.
G975	1965	Field Evolved Resistance	USA-- Texas	Grayson, J. M. (1965). Resistance to three organophosphorus insecticides in strains of the German cockroach from Texas.. J. Econ. Entomol., 58 956-58.

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