A Review of the Biology, Ecology, and Management of the South American Locust, <i>Schistocerca cancellata</i> (Serville, 1838), and Future Prospects
Eduardo V. Trumper | Arianne J. Cease | María Marta Cigliano | Fernando Copa Bazán | Carlos E. Lange | Héctor E. Medina | Rick P. Overson | Clara Therville | Martina E. Pocco | Cyril Piou | Gustavo Zagaglia | David Hunter
In the first half of the twentieth century, the South American Locust (SAL), <i>Schistocerca cancellata</i> (Serville, 1838), was a major pest of agriculture in Argentina, Bolivia, Paraguay, Uruguay, and Brazil. From 1954–2014, a preventive management program appeared to limit SAL populations, with only small- to moderate-scale treatments required, limited to outbreak areas in northwest Argentina. However, the lack of major locust outbreaks led to a gradual reduction in resources, and in 2015, the sudden appearance of swarms marked the beginning of a substantial upsurge, with many swarms reported initially in Argentina in 2015, followed by expansion into neighboring countries over the next few years. The upsurge required a rapid allocation of resources for management of SAL and a detailed examination of the improvements needed for the successful management of this species. This paper provides a review of SAL biology, management history, and perspectives on navigating a plague period after a 60-year recession.
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