A review of the biology, ecology, and management of the south american locust, Schistocerca cancellata (Serville, 1838), and future prospects

Trumper Eduardo, Cease Arianne J., Cigliano Maria Marta, Bazán Fernando Copa, Lange Carlos E., Medina Héctor, Overson Rick P., Therville Clara, Pocco Martina E., Piou Cyril, Zagaglia Gustavo, Hunter David. 2022. A review of the biology, ecology, and management of the south american locust, Schistocerca cancellata (Serville, 1838), and future prospects. Agronomy (Basel), 12 (1):135, 20 p.

https://doi.org/10.3390/agronomy12010135

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Résumé : In the first half of the twentieth century, the South American Locust (SAL), Schistocerca cancellata (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.

Mots-clés Agrovoc : ravageur des plantes, dynamique des populations, biologie animale, écologie des populations, gestion des organismes nuisibles, Schistocerca

Mots-clés géographiques Agrovoc : Argentine

Mots-clés complémentaires : Schistocerca cancellata

Mots-clés libres : Locust plagues, Population dynamics, Management

Classification Agris : H10 - Ravageurs des plantes

Champ stratégique Cirad : CTS 4 (2019-) - Santé des plantes, des animaux et des écosystèmes

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