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Reported Resistance Case(s)

Species: spodoptera exigua

Order Family Common Name(s) Group Host
lepidoptera noctuidae beet army worm, lesser army worm AG cotton, tomato, celery, lettuce, cabbage and alfalfa

Active Ingredient: emamectin benzoate

MOA: Chloride channel activators, Avermectins, Milbemycins
Group: ABM CAS #: 137512-74-4 Shaugnessy Code: 122806

Resistance Case(s)

Case Id Year of Report Type of Resistance Location Reference
G22340 2022 Field Evolved Resistance
China--
Shanghai--
Fenxian District
Teng, H., Zuo, Y., Yuan, J., Fabrick, J.A., Wu, Y., and Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China. Pesticide Biochemistry and Physiology, 186.
G22339 2022 Field Evolved Resistance
China--
Henan Province--
Luoyang
Teng, H., Zuo, Y., Yuan, J., Fabrick, J.A., Wu, Y., and Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China. Pesticide Biochemistry and Physiology, 186.
G22338 2022 Field Evolved Resistance
China--
Shandong Province--
Tai’an
Teng, H., Zuo, Y., Yuan, J., Fabrick, J.A., Wu, Y., and Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China. Pesticide Biochemistry and Physiology, 186.
G22337 2022 Field Evolved Resistance
China--
Fujiang Province--
Changle
Teng, H., Zuo, Y., Yuan, J., Fabrick, J.A., Wu, Y., and Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China. Pesticide Biochemistry and Physiology, 186.
G22336 2022 Field Evolved Resistance
China--
Shanghai--
Qingpu District,
Teng, H., Zuo, Y., Yuan, J., Fabrick, J.A., Wu, Y., and Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China. Pesticide Biochemistry and Physiology, 186.
G22335 2022 Field Evolved Resistance
China--
Jiangsu Province--
Nanjing
Teng, H., Zuo, Y., Yuan, J., Fabrick, J.A., Wu, Y., and Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China. Pesticide Biochemistry and Physiology, 186.
G21531 2021
Lab selected*

China Zuo, Y., Shi, Y., Zhang, F., Guan, F., Zhang, J., Feyereisen, R., and Wu, Y. (2021). Genome mapping coupled with CRISPR gene editing reveals a P450 gene confers avermectin resistance in the beet armyworm. PLoS genetics, 17(7).
G21276 2021 Field Evolved Resistance
China--
Henan--
Nanyang
Jing-Mei Huang, Yun-Xia Zhao, Hao Sun, Huan Ni, Chong Liu, Xin Wang, Cong-Fen Gao, and Shun-Fan Wu. (2021). Monitoring and mechanisms of insecticide resistance in Spodoptera exigua (Lepidoptera: Noctuidae), with special reference to diamides,. Pesticide Biochemistry and Physiology, 174 1-7.
G21530 2021
Lab selected*

China Zuo, Y., Shi, Y., Zhang, F., Guan, F., Zhang, J., Feyereisen, R., and Wu, Y. (2021). Genome mapping coupled with CRISPR gene editing reveals a P450 gene confers avermectin resistance in the beet armyworm. PLoS genetics, 17(7).
G20686 2020 Field Evolved Resistance
China--
Hunan--
Linin
Tang T, Hu F, Wang P, Fu W and Liu X. (2020). Broflanilide effectively controls Helicoverpa armigera and Spodoptera exigua exhibiting diverse susceptibilities to chlorantraniliprole and emamectin benzoate.. Pest Management Science, 3 1262-1272.
G20687 2020 Field Evolved Resistance
China--
Hunan--
Changsha
Tang T, Hu F, Wang P, Fu W and Liu X. (2020). Broflanilide effectively controls Helicoverpa armigera and Spodoptera exigua exhibiting diverse susceptibilities to chlorantraniliprole and emamectin benzoate.. Pest Management Science, 3 1262-1272.
G21632 2022 Field Evolved Resistance
China--
Fujiang Province
Teng, H., Zuo, Y., Yuan, J., Fabrick, J. A., Wu, Y., & Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China.. Pesticide biochemistry and physiology, 186.
G21635 2022 Field Evolved Resistance
China--
Shanghai
Teng, H., Zuo, Y., Yuan, J., Fabrick, J. A., Wu, Y., & Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China.. Pesticide biochemistry and physiology, 186.
G21634 2022 Field Evolved Resistance
China--
Henan Province
Teng, H., Zuo, Y., Yuan, J., Fabrick, J. A., Wu, Y., & Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China.. Pesticide biochemistry and physiology, 186.
G21630 2022 Field Evolved Resistance
China--
Jiangsu
Teng, H., Zuo, Y., Yuan, J., Fabrick, J. A., Wu, Y., & Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China.. Pesticide biochemistry and physiology, 186.
G21631 2022 Field Evolved Resistance
China--
Jiangsu
Teng, H., Zuo, Y., Yuan, J., Fabrick, J. A., Wu, Y., & Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China.. Pesticide biochemistry and physiology, 186.
G21633 2022 Field Evolved Resistance
China--
Shandong Province
Teng, H., Zuo, Y., Yuan, J., Fabrick, J. A., Wu, Y., & Yang, Y. (2022). High frequency of ryanodine receptor and cytochrome P450 CYP9A186 mutations in insecticide-resistant field populations of Spodoptera exigua from China.. Pesticide biochemistry and physiology, 186.
G20125 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
G20124 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
G20123 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
G20122 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
G16084 2014 Field Evolved Resistance
China--
Shandong--
Tengzhou
Gao, M., Li, X., Mu, W., Zhang, P., Zhou, C. (2014). Resistant levels of Spodoptera exigua to eight various insecticides in Shandong, China. Journal of Pesticide Science, 39 7-13.
G20121 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
G20120 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
G16083 2014 Field Evolved Resistance
China--
Shandong--
Binzhou
Gao, M., Li, X., Mu, W., Zhang, P., Zhou, C. (2014). Resistant levels of Spodoptera exigua to eight various insecticides in Shandong, China. Journal of Pesticide Science, 39 7-13.
G16082 2014 Field Evolved Resistance
China--
Shandong--
Zhangqui
Gao, M., Li, X., Mu, W., Zhang, P., Zhou, C. (2014). Resistant levels of Spodoptera exigua to eight various insecticides in Shandong, China. Journal of Pesticide Science, 39 7-13.
G15994 2014 Field Evolved Resistance
China--
Guangdong--
Huizhou
Su, J., and Sun, X. (2014). High level of metaflumizone resistance and multiple insecticide resistance in field populations of Spodoptera exigua (Lepidoptera: Noctuidae) in Guangdong Province, China. Crop Protection, 61 58-63.
G15296 2012 Field Evolved Resistance
China--
Jiangsu--
Luhe
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15300 2012 Field Evolved Resistance
China--
Shanghai--
Fengxian
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G16079 2014 Field Evolved Resistance
China--
Shandong--
Zhangqui
Gao, M., Li, X., Mu, W., Zhang, P., Zhou, C. (2014). Resistant levels of Spodoptera exigua to eight various insecticides in Shandong, China. Journal of Pesticide Science, 39 7-13.
G15287 2012 Field Evolved Resistance
China--
Sichuan--
Yibin
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15295 2012 Field Evolved Resistance
China--
Jiangsu--
Luhe
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15299 2012 Field Evolved Resistance
China--
Shanghai--
Fengxian
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G20119 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
G18427 2015
Lab selected after field-evolved resistance**

China--
Shanghai--
Chongming
Che, W., Huang, J., Guan, F., Wu, Y., and Yang, Y. (2015). Cross-resistance and Inheritance of Resistance to Emamectin Benzoate in Spodoptera exigua (Lepidoptera: Noctuidae). Journal of Economic Entomology , 108 2015-2020.
G18426 2015 Field Evolved Resistance
China--
Shanghai--
Chongming
Che, W., Huang, J., Guan, F., Wu, Y., and Yang, Y. (2015). Cross-resistance and Inheritance of Resistance to Emamectin Benzoate in Spodoptera exigua (Lepidoptera: Noctuidae). Journal of Economic Entomology , 108 2015-2020.
G18425 2015 Field Evolved Resistance
China--
Shanghai--
Chongming
Che, W., Huang, J., Guan, F., Wu, Y., and Yang, Y. (2015). Cross-resistance and Inheritance of Resistance to Emamectin Benzoate in Spodoptera exigua (Lepidoptera: Noctuidae). Journal of Economic Entomology , 108 2015-2020.
G15985 2014 Field Evolved Resistance
China--
Guangdong--
Huizhou
Su, J., and Sun, X. (2014). High level of metaflumizone resistance and multiple insecticide resistance in field populations of Spodoptera exigua (Lepidoptera: Noctuidae) in Guangdong Province, China. Crop Protection, 61 58-63.
G16081 2014 Field Evolved Resistance
China--
Shandong--
Binzhou
Gao, M., Li, X., Mu, W., Zhang, P., Zhou, C. (2014). Resistant levels of Spodoptera exigua to eight various insecticides in Shandong, China. Journal of Pesticide Science, 39 7-13.
G16080 2014 Field Evolved Resistance
China--
Shandong--
Tengzhou
Gao, M., Li, X., Mu, W., Zhang, P., Zhou, C. (2014). Resistant levels of Spodoptera exigua to eight various insecticides in Shandong, China. Journal of Pesticide Science, 39 7-13.
G16308 2014
Lab selected after field-evolved resistance**

Pakistan--
Punjab--
Khanewal
Ishtiaq, M., Razaq, M., Saleem, M. A., Anjum, F., Noor ul Ane, M., Raza, A. M., and Wright, D. (2014). Stability, cross-resistance and fitness costs of resistance to emamectin benzoate in a re-selected field population of the beet armyworm, Spodoptera exigua (Lepidoptera: Noctuidae). Crop Protection, 65 227-231.
G13479 2012 Field Evolved Resistance
Pakistan--
Punjab--
Khanewal
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G13480 2012 Field Evolved Resistance
Pakistan--
Punjab--
Khanewal
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G13481 2012 Field Evolved Resistance
Pakistan--
Punjab--
Shujabad
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G13482 2012 Field Evolved Resistance
Pakistan--
Punjab--
Dunyapur
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G13483 2012 Field Evolved Resistance
Pakistan--
Punjab--
Dunyapur
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G13484 2012 Field Evolved Resistance
Pakistan--
Punjab--
Lodhran
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G13485 2012 Field Evolved Resistance
Pakistan--
Punjab--
Lodhran
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G13486 2012 Field Evolved Resistance
Pakistan--
Punjab--
Vehari
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G13487 2012 Field Evolved Resistance
Pakistan--
Punjab--
Vehari
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G15286 2012 Field Evolved Resistance
China--
Yunnan--
Jinning
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15289 2012 Field Evolved Resistance
China--
Shanxi--
Yanliang
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15294 2012 Field Evolved Resistance
China--
Jiangsu--
Luhe
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15298 2012 Field Evolved Resistance
China--
Shanghai--
Fengxian
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G13478 2012 Field Evolved Resistance
Pakistan--
Punjab--
Multan
Ishtiaq, M., Mushtaq, A., and Razaq, M. (2012). Monitoring of resistance in Spodoptera exigua (Lepidoptera: Noctuidae) from four districts of the Southern Punjab, Pakistan to four conventional and six new chemistry insecticides. Crop Proctection , 33 13-20.
G16157 2014
Lab selected after field-evolved resistance**

Pakistan--
Punjab
Zaka, S.M., Abbas, N., Shad, S. A., Shah, R., M. (2014). Effect of emamectin benzoate on life history traits and relative fitness of Spodoptera litura (Lepidoptera: Noctuidae). Phytoparasitica.
G20118 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
G16305 2014 Field Evolved Resistance
Pakistan--
Punjab--
Khanewal
Ishtiaq, M., Razaq, M., Saleem, M. A., Anjum, F., Noor ul Ane, M., Raza, A. M., and Wright, D. (2014). Stability, cross-resistance and fitness costs of resistance to emamectin benzoate in a re-selected field population of the beet armyworm, Spodoptera exigua (Lepidoptera: Noctuidae). Crop Protection, 65 227-231.
G15290 2012 Field Evolved Resistance
China--
Jiangxi--
Yongxiu
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15288 2012 Field Evolved Resistance
China--
Shanxi--
Yanliang
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15291 2012 Field Evolved Resistance
China--
Fujian--
Longhai
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15292 2012 Field Evolved Resistance
China--
Jiangsu--
Huaian
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15293 2012 Field Evolved Resistance
China--
Jiangsu--
Luhe
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G15297 2012 Field Evolved Resistance
China--
Shanghai--
Fengxian
Che, W., Shi, T., Wu, Y., and Yang, Y. (2012). Insecticide Resistance Status of Field Populations of Spodoptera exigua (Lepidoptera: Noctuidae) from China. Journal of Economic Entomology, 106(4) 1855-1862.
G20117 2018 Field Evolved Resistance
Pakistan--
Punjab province
Ahmad, Mushtaq & Farid, Abid & Saeed, Dr. Muhammad. (2018). Resistance to new insecticides and their synergism in Spodoptera exigua (Lepidoptera: Noctuidae) from Pakistan. Crop Protection, 107 79-86.
*The population was created solely by selection and/or genetic manipulation.
**The population was selected further in the laboratory after collection.