Reported Resistance Case(s)

Species: blattella germanica

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

Active Ingredient: chlorpyrifos

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 2921882	Shaugnessy Code: 59101

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G19778	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.
G19770	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.
G19552	2016	Lab selected*	China-- Beijing	Hou, W., Jiang, C., Zhou, X., Qian, K., Wang, L., Shen, Y., and Zhao, Y. (2016). Increased Expression of P-Glycoprotein Is Associated With Chlorpyrifos Resistance in the German Cockroach (Blattodea: Blattellidae). Insecticide Resistance and Resistance Management, 109(6) 2500-2505.
G19283	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.
G19277	2010	Field Evolved Resistance	South Korea-- Jeonbuk-- Gunsan	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.
G19259	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.
G6433	2000	Unspecified	Cuba-- Playa	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.
G5820	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.
G5713	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.
G5720	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.
G5479	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.
G5452	1993	Unspecified	USA-- Nebraska	Prabhakaran, S.K., and S.T. Kamble. (1993). Activity and Electrophoretic Characterization of Esterases in Insecticide Resistant and Susceptible Strains of german Cockroach (Dictyoptera: Blattellidae). Journal of Economic Entomology, 86(4) 1009-1013.
G5451	1993	Unspecified	Denmark	Hemingway, J., G.J. Small, and A.G. Monro. (1993). Possible Mechanisms of Organophosphorus and Carbanate Insecticide Resistance in German Cockroaches (Dictyoptera: Blattellidae) from different geographical areas. Journal of Economic Entomology, 86(6) 1623-1630.
G5450	1993	Unspecified	Panama	Hemingway, J., G.J. Small, and A.G. Monro. (1993). Possible Mechanisms of Organophosphorus and Carbanate Insecticide Resistance in German Cockroaches (Dictyoptera: Blattellidae) from different geographical areas. Journal of Economic Entomology, 86(6) 1623-1630.
G5449	1993	Unspecified	USA	Hemingway, J., G.J. Small, and A.G. Monro. (1993). Possible Mechanisms of Organophosphorus and Carbanate Insecticide Resistance in German Cockroaches (Dictyoptera: Blattellidae) from different geographical areas. Journal of Economic Entomology, 86(6) 1623-1630.
G5324	1991	Unspecified	USA-- California	Rust, M.K., and D.A. Reierson. (1991). Chlorpyrifos Resistance in German Cockroaches (Dictyoptera: Blatellidae) from restaurants. Journal of Economic Entomology, 84(3) 736-740.
G5178	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.
G4909	1987	Field Evolved Resistance	USA-- Florida	Milio, J. F., Koehler, P. G. and Patterson, R. S. (1987). Evaluation of three methods for detecting chlorpyrifos resistance in German cockroach (Orthoptera: Blattellidae) populations.. J. Econ. Entomol., 80 44-46.
G4769	1986	Field Evolved Resistance	Panama	WHO 1986. (1986).
G4119	1983	Field Evolved Resistance	USA-- Nebraska	Vance 1983. (1983).

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