Reported Resistance Case(s)

Species: blattella germanica

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

Active Ingredient: chlorpyrifos-methyl

MOA: Acetylcholine esterase inhibitors, Organophophates
Group: OP	CAS #: 5598130	Shaugnessy Code: 59102

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G19773	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.
G19777	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.
G5179	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.

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