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| Natura: | Artículo científico |
| Lingua: | en |
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Sociedad Entomológica Argentina
2025
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=322081497003 https://www.redalyc.org/journal/3220/322081497003/ https://www.redalyc.org/journal/3220/322081497003/html/ https://www.redalyc.org/journal/3220/322081497003/322081497003.epub https://www.redalyc.org/journal/3220/322081497003/movil |
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Sommario:
- Spatio-temporal dynamics of the invasive fly Drosophila suzukii (Diptera: Drosophilidae) in the irrigated valleys of Northern Patagonia, Argentina Carolina B. GOMEZ SEGADE Gustavo GIMENEZ Marisa A TUDELA Silvina A. GARRIDO Nancy M. GRECO Liliana I. CICHÓN Biología Soft GAMMs skin crops Trap capture Alternative host Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) also known as “spotted wing Drosophila” is a polyphagous herbivore of Asian origin with a short life cycle, and high dispersal and reproduction rates. The arrival of this invasive pest forced a reevaluation of management strategies in Northern Patagonia. The aims of this work were to quantify the inter-annual variation of population levels, explore the influence of cultivated and wild hosts, assess the dispersal of the pest, and adjust a statistical model to describing population patterns as a function of degree days and relative humidity. We selected a cherry and raspberry orchard located in Plottier, Neuquén. Transect sampling was carried out and 33 traps were placed across an área of 12.5 km2 between 2018 and 2023. D. suzukii used fruit crops such as peach, vineyard, and plum trees as alternate hosts. D. suzukii exhibited seasonal behavior, with higher captures observed during summer and autumn. The adjusted GAMM model showed an increase in captures at 1,500 degree days (DD) and population peaks between 3,000 and 3,200 DD. This model is the first to be used in Argentina with trap capture count. Unlike conventional models, it allows for the integration of nonlinear variables. 2025 artículo científico 1851-7471 https://www.redalyc.org/articulo.oa?id=322081497003 https://www.redalyc.org/journal/3220/322081497003/ https://www.redalyc.org/journal/3220/322081497003/html/ https://www.redalyc.org/journal/3220/322081497003/322081497003.epub https://www.redalyc.org/journal/3220/322081497003/movil en http://www.redalyc.org/revista.oa?id=3220 Revista de la Sociedad Entomológica Argentina application/pdf Sociedad Entomológica Argentina Revista de la Sociedad Entomológica Argentina (Argentina) Num.1 Vol.84