Reported Resistance Case(s)

Species: nilaparvata lugens

Order	Family	Common Name(s)	Group	Host
homoptera	delphacidae	brown planthopper	AG	rice

Active Ingredient: pymetrozine

MOA: Compounds of unknown or non-specific mode of action (selective feeding bloc), Pymetrozine
Group: PYAZO	CAS #: 123312-89-0	Shaugnessy Code: 101103

Resistance Case(s)

Case Id	Year of Report	Type of Resistance	Location	Reference
G22659	2023	Lab selected* Field Evolved Resistance	China-- Zhejiang-- Jinhua	Song, X. Y., Peng, Y. X., Gao, Y., Zhang, Y. C., Ye, W. N., Lin, P. X., Gao, C. F., & Wu, S. F. (2023). Resistance Monitoring of Nilaparvata lugens to Pymetrozine Based on Reproductive Behavior. Insects, 14.
G22660	2023	Field Evolved Resistance	China-- Jiangsu-- Yizheng	Song, X. Y., Peng, Y. X., Gao, Y., Zhang, Y. C., Ye, W. N., Lin, P. X., Gao, C. F., & Wu, S. F. (2023). Resistance Monitoring of Nilaparvata lugens to Pymetrozine Based on Reproductive Behavior. Insects, 14.
G22661	2023	Field Evolved Resistance	China-- Anhui-- qianshan	Song, X. Y., Peng, Y. X., Gao, Y., Zhang, Y. C., Ye, W. N., Lin, P. X., Gao, C. F., & Wu, S. F. (2023). Resistance Monitoring of Nilaparvata lugens to Pymetrozine Based on Reproductive Behavior. Insects, 14.
G22662	2023	Field Evolved Resistance	China-- Anhui-- qianshan	Song, X. Y., Peng, Y. X., Gao, Y., Zhang, Y. C., Ye, W. N., Lin, P. X., Gao, C. F., & Wu, S. F. (2023). Resistance Monitoring of Nilaparvata lugens to Pymetrozine Based on Reproductive Behavior. Insects, 14.
G22663	2023	Lab selected* Field Evolved Resistance	China-- Zhejiang-- Jinhua	Song, X. Y., Peng, Y. X., Gao, Y., Zhang, Y. C., Ye, W. N., Lin, P. X., Gao, C. F., & Wu, S. F. (2023). Resistance Monitoring of Nilaparvata lugens to Pymetrozine Based on Reproductive Behavior. Insects, 14.
G22665	2023	Field Evolved Resistance	China-- Jiangsu-- Yizheng	Song, X. Y., Peng, Y. X., Gao, Y., Zhang, Y. C., Ye, W. N., Lin, P. X., Gao, C. F., & Wu, S. F. (2023). Resistance Monitoring of Nilaparvata lugens to Pymetrozine Based on Reproductive Behavior. Insects, 14.
G22667	2023	Lab selected* Field Evolved Resistance	China-- Zhejiang-- Jinhua	Song, X. Y., Peng, Y. X., Gao, Y., Zhang, Y. C., Ye, W. N., Lin, P. X., Gao, C. F., & Wu, S. F. (2023). Resistance Monitoring of Nilaparvata lugens to Pymetrozine Based on Reproductive Behavior. Insects, 14.
G22695	2022	Lab selected after field-evolved resistance**	China-- Zhejiang-- Jinhua	Song, X. Y., Peng, Y. X., Wang, L. X., Ye, W. N., Pei, X. G., Zhang, Y. C., Zhang, S., Gao, C. F., & Wu, S. F. (2022). Monitoring, cross-resistance, inheritance, and fitness costs of brown planthoppers, Nilaparvata lugens, resistance to pymetrozine in China. Pest management science, 78.

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