Analysis of Sublethal and Lethal Effects of Chlorantraniliprole on Loxostege sticticalis Based on Age-Stage, Two-Sex Life Table

Xiaoxue Pan, Yongmei Fan, Liangang Mao, Lizhen Zhu, Xingang Liu and Lan Zhang ()
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Xiaoxue Pan: Tropical Agriculture and Forestry College, Hainan University, Haikou 570228, China
Yongmei Fan: Tropical Agriculture and Forestry College, Hainan University, Haikou 570228, China
Liangang Mao: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Lizhen Zhu: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Xingang Liu: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Lan Zhang: State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China

Agriculture, 2025, vol. 15, issue 10, 1-12

Abstract: Chlorantraniliprole, serving as a substitute for traditional insecticide, has been widely utilized in controlling lepidopteran pests. Loxostege sticticalis (Lepidoptera: Crambidae) is a polyphagous insect and poses a significant threat as a migratory insect. This study investigated the life history traits of a field-collected population in response to chlorantraniliprole exposure based on an age-stage, two-sex life table. After treating the third-instar larvae of L. sticticalis with three different doses of chlorantraniliprole, namely LC 10 , LC 25 , and LC 50 , the survival, development, and fecundity of L. sticticalis were affected significantly in a dose-dependent manner. Chlorantraniliprole at doses of LC 10 , LC 25 , and LC 50 prolonged the average generation time ( T ) compared to the control group. The net reproductive rate ( R 0 ) and intrinsic growth rate ( r ) were significantly higher in the LC 10 group but significantly lower in the LC 25 and LC 50 groups. Chlorantraniliprole used at a dose of LC 10 was shown to increase the finite growth rate ( λ ), while it decreased λ at doses of LC 25 and LC 50 . These results suggested that chlorantraniliprole induces hormetic effects by enhancing fecundity and reproductive potential at lower sublethal concentration (LC 10 ), while reducing the reproductive output at higher doses (LC 25 and LC 50 ). Our results provide useful information for developing management strategies for L. sticticalis involving the use of chlorantraniliprole.

Keywords: chlorantraniliprole; Loxostege sticticalis; life history parameters; population parameters; sublethal effects (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2025
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