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Biological Control of Common Salvinia Salvinia minima in Louisiana using Cyrtobagous salviniae Coleoptera Curculionidae



Biological Control of Common Salvinia Salvinia minima in Louisiana using Cyrtobagous salviniae Coleoptera Curculionidae



Florida Entomologist 96(1): 10-18



Common salvinia, Salvinia minima Baker, is an aquatic invasive fern that obstructs waterways and impacts water quality throughout the southeastern United States. In an effort to establish populations for classical biological control of this weed, the weevil, Cyrtobagous salviniae Calder and Sands, was released at multiple sites across Louisiana. Many of the release sites were lost due to a variety of ecological and anthropological disturbances. In 2008, C. salviniae was found to have successfully overwintered on S. minima in Gramercy, Louisiana. Attack by Cyrtobagous salviniae significantly increased the number of damaged terminal buds and decreased the fresh weight biomass of S. minima.
La salvinia com n, Salvinia m nima Baker, es un helecho acu tico invasor que obstruye v as fluviales y afecta la calidad de agua por el sureste de los Estados Unidos. Para fundar poblaciones de control biol gico cl sico el gorgojo Cyrtobagous salviniae Calder y Sands fue introducido en m ltiples sitios por toda Louisiana. Fueron perdidos muchos sitios de introduction debido a varias alteraciones ecol gicas y antropol gicas. En 2008 fue notado que C. salviniae invern exitosamente en S. m nima en Gramercy, Louisiana. El ataque de Cyrtobagous salviniae aument apreciablemente la cantidad de brotes terminales da ados y disminuy la biomasa fresca de S. minima.

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Accession: 036893103

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DOI: 10.1653/024.096.0102


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