Reported Resistance Case(s)

Species: rhopalosiphum padi

Order	Family	Common Name(s)	Group	Host
homoptera	aphididae	oat aphid	AG	wheat

Active Ingredient: cyhalothrin-lambda

MOA: Sodium channel modulators, Pyrethroids, Pyrethrins, DDT
Group: PYR	CAS #: 91465086	Shaugnessy Code: 128897

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G21289	2021	Lab selected*	China	Kang Wang, Jun Ning Zhao, Jiao Yang Bai, Yun Zhu Shang, Si Qian Zhang, Yi Fan Hou, Mao Hua Chen, and Zhao Jun Han. (2021). Pyrethroid Resistance and Fitness Cost Conferred by the super-kdr Mutation M918L in Rhopalosiphum padi (Hemiptera: Aphididae). Journal of Economic Entomology, 114 1789–1795.
G20576	2020	Field Evolved Resistance	China-- Shaanxi-- Jingyang	Wang, K., Bai, J., Zhao, J., Su, S., Liu, L., Hanb, Z., and Chen, M. (2020). Super-kdr mutation M918L and multiple cytochrome P450s associated with the resistance of Rhopalosiphum padi to pyrethroid. Pest Management Science, 76 2809-2817.
G20577	2020	Lab selected after field-evolved resistance**	China-- Shaanxi-- Jingyang	Wang, K., Bai, J., Zhao, J., Su, S., Liu, L., Hanb, Z., and Chen, M. (2020). Super-kdr mutation M918L and multiple cytochrome P450s associated with the resistance of Rhopalosiphum padi to pyrethroid. Pest Management Science, 76 2809-2817.

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