Reported Resistance Case(s)

Species: blattella germanica

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

Active Ingredient: cypermethrin

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 52315078	Shaugnessy Code: 109702

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G19772	2017	Field Evolved Resistance	South Korea-- Busan	Jang, C., Ju, Y., and Chang, K. (2017). Insecticide Susceptibility of Field-collected Blattella germanica (Blattaria: Blattalidae) in Busan, Republic of Korea during 2014. Entomological Research, 47 243-247.
G13436	2011	Field Evolved Resistance	Iran-- Kermanshah Province-- Kermanshah	Limoee, M., Enayati, A.A., Khassi, K., Salimi, M., and Ladonni, H. (2011). Insecticide resistance and synergism of three field-collected strains of the German cockroach Blattella Germanica (L.) (Dictyoptera: Blattellidae) from hospitals in Kermanshah, Iran . Tropical Biomedicine, 28 111-118.
G13435	2011	Field Evolved Resistance	Iran-- Kermanshah Province-- Kermanshah	Limoee, M., Enayati, A.A., Khassi, K., Salimi, M., and Ladonni, H. (2011). Insecticide resistance and synergism of three field-collected strains of the German cockroach Blattella Germanica (L.) (Dictyoptera: Blattellidae) from hospitals in Kermanshah, Iran . Tropical Biomedicine, 28 111-118.
G13434	2011	Field Evolved Resistance	Iran-- Kermanshah Province-- Kermanshah	Limoee, M., Enayati, A.A., Khassi, K., Salimi, M., and Ladonni, H. (2011). Insecticide resistance and synergism of three field-collected strains of the German cockroach Blattella Germanica (L.) (Dictyoptera: Blattellidae) from hospitals in Kermanshah, Iran . Tropical Biomedicine, 28 111-118.
G19284	2010	Field Evolved Resistance	South Korea-- Gwangju	Chang, K.S., Shin, E. H., Jung, J.S., Park, C., and Ahn, Y. (2010). Monitoring for insecticide resistance in field-collected populations of Blattella germanica (Blatteria: Blattellidae). Journal of Asia-Pacific Entomology, 13 309-312.
G19271	2010	Field Evolved Resistance	South Korea-- Busan	Chang, K.S., Shin, E. H., Jung, J.S., Park, C., and Ahn, Y. (2010). Monitoring for insecticide resistance in field-collected populations of Blattella germanica (Blatteria: Blattellidae). Journal of Asia-Pacific Entomology, 13 309-312.
G19265	2010	Field Evolved Resistance	South Korea-- Daegu	Chang, K.S., Shin, E. H., Jung, J.S., Park, C., and Ahn, Y. (2010). Monitoring for insecticide resistance in field-collected populations of Blattella germanica (Blatteria: Blattellidae). Journal of Asia-Pacific Entomology, 13 309-312.
G19260	2010	Field Evolved Resistance	South Korea-- Chungnam-- Cheonan	Chang, K.S., Shin, E. H., Jung, J.S., Park, C., and Ahn, Y. (2010). Monitoring for insecticide resistance in field-collected populations of Blattella germanica (Blatteria: Blattellidae). Journal of Asia-Pacific Entomology, 13 309-312.
G19253	2010	Field Evolved Resistance	South Korea-- Gangwon-- Donghae	Chang, K.S., Shin, E. H., Jung, J.S., Park, C., and Ahn, Y. (2010). Monitoring for insecticide resistance in field-collected populations of Blattella germanica (Blatteria: Blattellidae). Journal of Asia-Pacific Entomology, 13 309-312.
G19247	2010	Field Evolved Resistance	South Korea-- Incheon	Chang, K.S., Shin, E. H., Jung, J.S., Park, C., and Ahn, Y. (2010). Monitoring for insecticide resistance in field-collected populations of Blattella germanica (Blatteria: Blattellidae). Journal of Asia-Pacific Entomology, 13 309-312.
G6447	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.
G6448	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.
G6446	2000	Unspecified	Cuba-- District 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.
G6445	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.
G6444	2000	Unspecified	Cuba-- Marianao	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.
G6443	2000	Unspecified	Cuba-- Habana Vieja	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.
G5716	1996	Unspecified	USA-- Georgia-- Ashburn	Valles, S.M., and S.J. Yu. (1996). Detection and Biochemical characterization of insecticide resistance in the german cockroach (Dictyoptera: Blattellidae). Journal of Economic Entomology, 89(1) 21-26.
G5714	1996	Unspecified	Malaysia	Lee, C.Y., H.H. Yap, and N.L. Chong. (1996). Insecticide resistance and synergism in field collected german cockroaches (Dictyoptera: Blattellidae) in Peninsular Malaysia. Bulletin of Entomological Research, 86 675-682.
G5821	1997	Unspecified	USA-- Indiana	Scharf, M.E., W. Kaakeh, and G.W. Bennett. (1997). Changes in an Insecticide Resistant Field Population of German Cockroach (Dictyoptera: Blattellidae) After Exposure to an Insecticide Mixture. Journal of Economic Entomology, 90(1) 38-48.
G5483	1993	Unspecified	USA	Rust, M.K., D.A. Reierson, and B.C. Zeichner. (1993). Relationship Between Insecticide Resistance and Performance in Choice Tests of Field-Collected German Cockroaches (Dictyoptera:Blattellidae). Journal of Economic Entomology, 86(4) 1124-1130.
G5439	1992	Unspecified	USA-- Virginia	Zhai, J., and W.H. Robinson. (1992). Measuring Cypermethrin Resistance in the German Cockroach (Orthoptera: Blattelidae). Journal of Economic Entomology, 85(2) 348-351.
G5301	1991	Unspecified	USA-- Florida	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.
G5185	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.
G4939	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.

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