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Predator–Prey Interaction Between Xylocoris sordidus (Hemiptera: Anthocoridae) and Enneothrips enigmaticus (Thysanoptera: Thripidae)

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Abstract

The peanut thrips, Enneothrips enigmaticus (Thysanoptera: Thrypidae), is an important pest of the peanut (Arachis hypogaea) in South America. Due to concerns about the environment and human health induced by the extensive use of pesticides in the management control of pests, environmentally and friendlier tactics must be targeted. Thus, this study investigates, for the first time, the behavior of Xylocoris sordidus (Hemiptera: Anthocoridae) as a biological control agent for E. enigmaticus. The methodology included no-choice tests to assess whether the predation rate varies according to the developmental stage of the prey, as well as the predator’s developmental stage with the highest predation capacity. Additionally, an analysis of the functional response of adult and 5th instar nymphs of X. sordidus exposed to different densities of E. enigmaticus nymphs (1, 2, 4, 8, 16, and 32) was conducted. The results confirm the predation of peanut thrips by X. sordidus, with a higher predation rate in the nymphal stages of the prey. There was no difference in predation capacity between predator nymphs and adults, and exhibiting a type II functional response. Therefore, the potential of X. sordidus as a biological control agent for E. enigmaticus is confirmed, showing the importance of adopting measures to preserve this predator in peanut crops.

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Data Availability

The data that support the findings of this study are available from the first author upon reasonable request.

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Funding

CNPq (National Council for Scientific and Technological Development) and Capes (Coordination for the Improvement of Higher Education Personnel).

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All authors contributed to the study conception and design. All authors contributed to material preparation and data collection. Analysis was performed by D. G. R. All authors conducted an extensive literature review and contributed to the article's writing and result discussion. All authors read and approved the final manuscript.

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Correspondence to Sabrina Juvenal de Oliveira.

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The authors declare no competing interests.

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Edited by Lessando Moreira Gontijo

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de Oliveira, S.J., Nascimento, V.F., de Lacerda, L.B. et al. Predator–Prey Interaction Between Xylocoris sordidus (Hemiptera: Anthocoridae) and Enneothrips enigmaticus (Thysanoptera: Thripidae). Neotrop Entomol 53, 391–399 (2024). https://doi.org/10.1007/s13744-023-01126-1

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  • DOI: https://doi.org/10.1007/s13744-023-01126-1

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