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Research Article |

Evaluation of the Predation Capacity of Rhynocoris albopilosus (Heteroptera: Reduviidae) on the Second Instar Larvae of Spodoptera frugiperda (Lepidoptera: Noctuidae)

The fall armyworm (CLA) Spodoptera frugiperda is currently the main pest of cereal crops, with a preference for maize. Chemical control of this pest has shown its limitations. Biological control based on the use of the predatory insect Rhynocoris albopilosus is considered in this study. To this end, the predatory capacity of R. albopilosus adults and stages 3, 4 and 5 larvae was evaluated on Spodoptera frugiperda stage 2 caterpillars at the laboratory. On the other hand, only adults and stage 5 larvae of the predator were tested in a semi-controlled environment. The results of tests carried out at the laboratory show that the predatory capacity of R. albopilosus increases progressively with the evolution of the stages. On average, 7.37 ± 1.67; 8.92 ± 1.78; 12.25 ± 2.71 and 11.78 ± 2.00 prey were respectively consumed by stage 3, 4, 5 and adult of R. albopilosus. In addition, high prey consumption was observed among female predators at all stages of development, with an average of 7.31, 9.38, 14.30 and 13.36 prey items consumed by stage 3, 4, 5 and adult females respectively. In a semi-controlled environment, high prey consumption was observed in stage 5 predators over the ten days of observation. The average numbers of prey consumed by the predator of stage 5 every 48 h over ten days were 8.83, 7.75, 6.75, 7.08 and 6.92 respectively.

Fall Armyworm, Spodoptera fugiperda, Rhynocoris albopilosus, Maize, Biological Control, Predation, Côte d’Ivoire

APA Style

Rosina, A. É., Dagobert, K. K., Éric, K. K., Trazié, G. B. K., Djiwha, D. A. S., et al. (2024). Evaluation of the Predation Capacity of Rhynocoris albopilosus (Heteroptera: Reduviidae) on the Second Instar Larvae of Spodoptera frugiperda (Lepidoptera: Noctuidae). Journal of Plant Sciences, 12(1), 7-15.

ACS Style

Rosina, A. É.; Dagobert, K. K.; Éric, K. K.; Trazié, G. B. K.; Djiwha, D. A. S., et al. Evaluation of the Predation Capacity of Rhynocoris albopilosus (Heteroptera: Reduviidae) on the Second Instar Larvae of Spodoptera frugiperda (Lepidoptera: Noctuidae). J. Plant Sci. 2024, 12(1), 7-15. doi: 10.11648/j.jps.20241201.12

AMA Style

Rosina AÉ, Dagobert KK, Éric KK, Trazié GBK, Djiwha DAS, et al. Evaluation of the Predation Capacity of Rhynocoris albopilosus (Heteroptera: Reduviidae) on the Second Instar Larvae of Spodoptera frugiperda (Lepidoptera: Noctuidae). J Plant Sci. 2024;12(1):7-15. doi: 10.11648/j.jps.20241201.12

Copyright © 2024 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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