Lethal, Sub-Lethal and Trans-Generational Effects of Chlorantraniliprole on Biological Parameters, Demographic Traits, and Fitness Costs of Spodoptera frugiperda (Lepidoptera: Noctuidae)

Zunnu Raen Akhtar¹, Ayesha Afzal^{2

3}, Atif Idrees³, Khuram Zia^{1

4}, Ziyad Abdul Qadir^{5

6}, Shahbaz Ali⁷, Inzamam Ul Haq¹, Hamed A Ghramh⁸, Yasir Niaz⁷, Muhammad Bilal Tahir⁹, Muhammad Arshad¹, Jun Li³

Affiliations

¹ Department of Entomology, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan.
² Institute of Molecular Biology and Biotechnology, The University of Lahore, 1-Km Defense Road, Lahore 54000, Pakistan.
³ Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou 510260, China.
⁴ Office of Research, Innovation & Commercialization (ORIC), University of Agriculture Faisalabad, Faisalabad 38000, Pakistan.
⁵ Honeybee Research Institute, National Agricultural Research Centre, Park Road, Islamabad 45500, Pakistan.
⁶ Department of Entomology and Wildlife Ecology, University of Delaware, Newark, DE 19716, USA.
⁷ Department of Agricultural Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan.
⁸ Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia.
⁹ Department of Physics, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan.

PMID: 36292828
PMCID: PMC9603994
DOI: 10.3390/insects13100881

Lethal, Sub-Lethal and Trans-Generational Effects of Chlorantraniliprole on Biological Parameters, Demographic Traits, and Fitness Costs of Spodoptera frugiperda (Lepidoptera: Noctuidae)

Zunnu Raen Akhtar et al. Insects. 2022.

. 2022 Sep 28;13(10):881.

doi: 10.3390/insects13100881.

Authors

Affiliations

¹ Department of Entomology, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan.
² Institute of Molecular Biology and Biotechnology, The University of Lahore, 1-Km Defense Road, Lahore 54000, Pakistan.
³ Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou 510260, China.
⁴ Office of Research, Innovation & Commercialization (ORIC), University of Agriculture Faisalabad, Faisalabad 38000, Pakistan.
⁵ Honeybee Research Institute, National Agricultural Research Centre, Park Road, Islamabad 45500, Pakistan.
⁶ Department of Entomology and Wildlife Ecology, University of Delaware, Newark, DE 19716, USA.
⁷ Department of Agricultural Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan.
⁸ Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia.
⁹ Department of Physics, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan.

PMID: 36292828
PMCID: PMC9603994
DOI: 10.3390/insects13100881

Abstract

Fall armyworm [Spodoptera frugiperda (J. E. Smith, 1797)] was first reported in the Americas, then spread to all the continents of the world. Chemical insecticides are frequently employed in managing fall armyworms. These insecticides have various modes of actions and target sites to kill the insects. Chlorantraniliprole is a selective insecticide with a novel mode of action and is used against Lepidopteran, Coleopteran, Isopteran, and Dipteran pests. This study determined chlorantraniliprole's lethal, sub-lethal, and trans-generational effects on two consecutive generations (F₀, F₁, and F₂) of the fall armyworm. Bioassays revealed that chlorantraniliprole exhibited higher toxicity against fall armyworms with a LC₅₀ of 2.781 mg/L after 48 h of exposure. Significant differences were noted in the biological parameters of fall armyworms in all generations. Sub-lethal concentrations of chlorantraniliprole showed prolonged larval and adult durations. The parameters related to the fitness cost in F₀ and F₁ generations showed non-significant differences. In contrast, the F₂ generation showed lower fecundity at lethal (71 eggs/female) and sub-lethal (94 eggs/female) doses of chlorantraniliprole compared to the control (127.5-129.3 eggs/female). Age-stage specific survival rate (S_xj), life expectancy (E_xj) and reproductive rate (V_xj) significantly differed among insecticide-treated groups in all generations compared to the control. A comparison of treated and untreated insects over generations indicated substantial differences in demographic parameters such as net reproduction rate (R₀), intrinsic rate of increase (r), and mean generation time (T). Several biological and demographic parameters were shown to be negatively impacted by chlorantraniliprole. We conclude that chlorantraniliprole may be utilized to manage fall armyworms with lesser risks.

Keywords: Spodoptera frugiperda; chlorantraniliprole; demographic parameters; fitness costs; two-sex life table.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

**Figure 1**
Age stage-specific survival rate (*s_xj*) of the F₀ generation in *Spodoptera frugiperda*.

**Figure 2**
Age stage life expectancy (*e_xj*) of the F₀ generation in *Spodoptera frugiperda*.

**Figure 3**
Age stage reproductive value (*v_xj*) of the F₀ generation in *Spodoptera frugiperda*.

**Figure 4**
Age stage-specific survival rate (*s_xj*) of the F₁ generation in *Spodoptera frugiperda*.

**Figure 5**
Age stage life expectancy (*e_xj*) of the F₁ generation in *Spodoptera frugiperda*.

**Figure 6**
Age stage reproductive value (*v_xj*) of the F₁ generation in *Spodoptera frugiperda*.

**Figure 7**
Age stage-specific survival rate (*s_xj*) of the F₂ generation in *Spodoptera frugiperda*.

**Figure 8**
Age stage life expectancy (*e_xj*) of the F₂ generation in *Spodoptera frugiperda*.

**Figure 9**
Age stage-specific reproductive rate (*v_xj*) of the F₂ generation in *Spodoptera frugiperda*.

See this image and copyright information in PMC

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Lethal, Sub-Lethal and Trans-Generational Effects of Chlorantraniliprole on Biological Parameters, Demographic Traits, and Fitness Costs of Spodoptera frugiperda (Lepidoptera: Noctuidae)

Affiliations

Lethal, Sub-Lethal and Trans-Generational Effects of Chlorantraniliprole on Biological Parameters, Demographic Traits, and Fitness Costs of Spodoptera frugiperda (Lepidoptera: Noctuidae)

Authors

Affiliations

Abstract

Conflict of interest statement

Figures

References

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Miscellaneous