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Ecological Modelling of Insect Movement in Cropping Systems

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Abstract

The spatio-temporal dynamics of insect pests in agricultural landscapes involves the potential of species to move, invade, colonise, and establish in different areas. This study revised the dispersal of the important crop pests Diabrotica speciosa Germar and Spodoptera frugiperda (J.E. Smith) by using computational modelling to represent the movement of these polyphagous pests in agricultural mosaics. The findings raise significant questions regarding the dispersal of pests through crops and refuge areas, indicating that understanding pest movement is essential for developing strategies to predict critical infestation levels to assist in pest-management decisions. In addition, our modelling approach can be adapted for other insect species and other cropping systems despite discussing two specific species in the current manuscript. We present an overview of studies, combining experimentation and ecological modelling, discussing the methods used and the importance of studying insect movement as well as the implications for agricultural landscapes in Brazil.

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Acknowledgements

We thank Springer Nature and Elsevier for permission to reuse figures, as mentioned in the respective captions. We extend our thanks to Janet W. Reid (JWR Associates) for the English revision.

Funding

AGG and JBM hold fellowships awarded by FAPESP (2019/26071-8) and FAPESP (2017/05953-7), respectively. The project also received grant 2014/16609-7 from FAPESP.

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Authors and Affiliations

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Contributions

All authors contributed to the study conception and design. Data were collected and analysed by Adriano Gomes Garcia, José Bruno Malaquias, and Claudia Pio Ferreira. The first draft of the manuscript was written by Wesley Augusto Conde Godoy. Maysa Pereira Tomé, Igor Daniel Weber, Adriano Gomes Garcia, and Wesley Augusto Conde Godoy analysed and organised the text flow, reviewed the bibliography, and contributed to the discussion in the context of agricultural landscape ecology. All authors commented on previous versions of the manuscript, and read and approved the final manuscript.

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Correspondence to Wesley Augusto Conde Godoy.

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Conflict of interest

The authors declare no competing interests.

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Edited by Lessando Moreira Gontijo

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Garcia, A.G., Malaquias, J.B., Ferreira, C.P. et al. Ecological Modelling of Insect Movement in Cropping Systems. Neotrop Entomol 50, 321–334 (2021). https://doi.org/10.1007/s13744-021-00869-z

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  • DOI: https://doi.org/10.1007/s13744-021-00869-z

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