Risk Assessment and Fitness Cost of Tetraniliprole Resistance in <i>Ostrinia furnacalis</i> (Lepidoptera: Crambidae)
Asian corn borer (ACB), <i>Ostrinia furnacalis</i>, is a predominant pest species that is widely distributed across major corn-growing regions in China. Tetraniliprole, a novel diamid insecticide, exhibited good efficacy on lepidopteran insect pests and was officially sanctioned for cont...
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2025-02-01
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| author | Tingting Xu Fei Hu Ran Yue Benjin Hu Sijia Bi Youmin Tong Lina Xu |
| author_facet | Tingting Xu Fei Hu Ran Yue Benjin Hu Sijia Bi Youmin Tong Lina Xu |
| author_sort | Tingting Xu |
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| description | Asian corn borer (ACB), <i>Ostrinia furnacalis</i>, is a predominant pest species that is widely distributed across major corn-growing regions in China. Tetraniliprole, a novel diamid insecticide, exhibited good efficacy on lepidopteran insect pests and was officially sanctioned for controlling ACB in China. In this study, a tetraniliprole-resistant strain called ACB-TLR was obtained from a susceptible strain, ACB-SS, after 10 continuous generation selections with tetraniliprole. Additionally, the fitness cost of the ACB-TLR strain was assessed. The results showed that ACB developed 11.58-fold resistance to tetraniliprole and the realized heritability was estimated as 0.213. The ACB-TLR strain displayed 2.10 times cross-resistance to chlorantraniliprole, but we found no cross-resistance to emamectin benzoate and deltamethrin. The development time of larvae and pupae was significantly prolonged, the adult longevity was significantly shorter, and the pupation and emergence rates were significantly reduced in the ACB-TLR strain than in the ACB-SS strain, with a relative fitness of 0.39. The current study indicated that ACB has the potential to develop resistance to tetraniliprole in the field. However, the decreased fitness may allow insecticide resistance to be managed. |
| format | Article |
| id | doaj-art-5aa598a99d4442c19adf9e309e7d2134 |
| institution | DOAJ |
| issn | 2073-4395 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
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| spelling | doaj-art-5aa598a99d4442c19adf9e309e7d21342025-08-20T02:41:51ZengMDPI AGAgronomy2073-43952025-02-0115353110.3390/agronomy15030531Risk Assessment and Fitness Cost of Tetraniliprole Resistance in <i>Ostrinia furnacalis</i> (Lepidoptera: Crambidae)Tingting Xu0Fei Hu1Ran Yue2Benjin Hu3Sijia Bi4Youmin Tong5Lina Xu6Institute of Plant Protection and Agro-Products Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, ChinaInstitute of Plant Protection and Agro-Products Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, ChinaInstitute of Plant Protection and Agro-Products Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, ChinaInstitute of Plant Protection and Agro-Products Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, ChinaInstitute of Plant Protection and Agro-Products Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, ChinaInstitute of Plant Protection and Agro-Products Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, ChinaInstitute of Plant Protection and Agro-Products Safety, Anhui Academy of Agricultural Sciences, Hefei 230031, ChinaAsian corn borer (ACB), <i>Ostrinia furnacalis</i>, is a predominant pest species that is widely distributed across major corn-growing regions in China. Tetraniliprole, a novel diamid insecticide, exhibited good efficacy on lepidopteran insect pests and was officially sanctioned for controlling ACB in China. In this study, a tetraniliprole-resistant strain called ACB-TLR was obtained from a susceptible strain, ACB-SS, after 10 continuous generation selections with tetraniliprole. Additionally, the fitness cost of the ACB-TLR strain was assessed. The results showed that ACB developed 11.58-fold resistance to tetraniliprole and the realized heritability was estimated as 0.213. The ACB-TLR strain displayed 2.10 times cross-resistance to chlorantraniliprole, but we found no cross-resistance to emamectin benzoate and deltamethrin. The development time of larvae and pupae was significantly prolonged, the adult longevity was significantly shorter, and the pupation and emergence rates were significantly reduced in the ACB-TLR strain than in the ACB-SS strain, with a relative fitness of 0.39. The current study indicated that ACB has the potential to develop resistance to tetraniliprole in the field. However, the decreased fitness may allow insecticide resistance to be managed.https://www.mdpi.com/2073-4395/15/3/531<i>Ostrinia furnacalis</i>tetraniliprolerisk assessmentfitness cost |
| spellingShingle | Tingting Xu Fei Hu Ran Yue Benjin Hu Sijia Bi Youmin Tong Lina Xu Risk Assessment and Fitness Cost of Tetraniliprole Resistance in <i>Ostrinia furnacalis</i> (Lepidoptera: Crambidae) Agronomy <i>Ostrinia furnacalis</i> tetraniliprole risk assessment fitness cost |
| title | Risk Assessment and Fitness Cost of Tetraniliprole Resistance in <i>Ostrinia furnacalis</i> (Lepidoptera: Crambidae) |
| title_full | Risk Assessment and Fitness Cost of Tetraniliprole Resistance in <i>Ostrinia furnacalis</i> (Lepidoptera: Crambidae) |
| title_fullStr | Risk Assessment and Fitness Cost of Tetraniliprole Resistance in <i>Ostrinia furnacalis</i> (Lepidoptera: Crambidae) |
| title_full_unstemmed | Risk Assessment and Fitness Cost of Tetraniliprole Resistance in <i>Ostrinia furnacalis</i> (Lepidoptera: Crambidae) |
| title_short | Risk Assessment and Fitness Cost of Tetraniliprole Resistance in <i>Ostrinia furnacalis</i> (Lepidoptera: Crambidae) |
| title_sort | risk assessment and fitness cost of tetraniliprole resistance in i ostrinia furnacalis i lepidoptera crambidae |
| topic | <i>Ostrinia furnacalis</i> tetraniliprole risk assessment fitness cost |
| url | https://www.mdpi.com/2073-4395/15/3/531 |
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