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Percolaspis cf. ornata (Germar) (Coleoptera, Chrysomelidae): an Emergent Pest in Soybean, Maize, and Cotton Crops in the State of Mato Grosso, Brazil

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Abstract

Percolaspis ornata (Germar) (Coleoptera, Chrysomelidae) is known in Brazil as an important pest of cocoa in the states of Bahia and Espírito Santo. We recently identified a Chrysomelidae species feeding and causing damage to soybean, corn, and cotton crops in the state of Mato Grosso, Brazil. The species was identified as Percolaspis cf. ornata. Adults feed on young leaves and sprouts and, in many cases, cut the stem of seedlings, causing stand reduction and yield losses. Its attacks have been recorded since 2016 in the central region of Mato Grosso. Because of the importance of the state of Mato Grosso as the main grain producer in the country, it is necessary to monitor crops for the occurrence of this insect in the next harvests and the development of basic and applied studies aimed at defining management strategies for this emerging pest. This is the first record of P. cf. ornata causing damage to soybean, maize, and cotton crops in Brazil.

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Acknowledgements

We thank Juliano Martins Diniz for sending the samples of Percolaspis cf. ornata adults and for providing photos of the insect and the damage caused by this species. We also thank Ayr de Moura Bello (Rio de Janeiro/RJ, Brazil) and Fernando Z. Vaz-de-Mello (Universidade Federal do Mato Grosso, UFMT, Cuiabá, Brazil) for the taxonomic identification of the species.

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Authors and Affiliations

  1. Embrapa Cerrados, Brasília, Federal District, Brazil

    Charles Martins de Oliveira

  2. Dept of Zoology, Univ of Brasília, Brasília, Federal District, Brazil

    Marina Regina Frizzas

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  1. Charles Martins de Oliveira
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  2. Marina Regina Frizzas
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C.M.O. was responsible for the conception of the study. C.M.O. and M.R.F. wrote the manuscript. All authors read and approved the manuscript.

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Correspondence to Charles Martins de Oliveira.

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The authors declare no competing interests.

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de Oliveira, C.M., Frizzas, M.R. Percolaspis cf. ornata (Germar) (Coleoptera, Chrysomelidae): an Emergent Pest in Soybean, Maize, and Cotton Crops in the State of Mato Grosso, Brazil. Neotrop Entomol 50, 999–1002 (2021). https://doi.org/10.1007/s13744-021-00894-y

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