Extensión del intervalo geográfico de Vallonia pulchella y primer registro de Vallonia cf. excentrica (Gastropoda: Valloniidae) en Chile continental
DOI:
https://doi.org/10.22201/ib.20078706e.2026.97.5582Palabras clave:
Especies exóticas, Microgasterópodos, Identificación morfológica, Nuevos registros, Caracoles terrestresResumen
Las especies de moluscos no nativos pueden tener impactos ecológicos y económicos significativos en los hábitats invadidos. En las últimas décadas, el número de moluscos no nativos en Chile ha aumentado de manera constante. Este estudio documenta la expansión del rango de Vallonia pulchella (Müller, 1774) y el primer registro de Vallonia cf. excentrica Sterki, 1893 en el país, utilizando microscopía óptica, microscopía electrónica de barrido y análisis estadístico. La primera especie se encontró en Caldera (norte de Chile) y en La Florida (Santiago, centro de Chile), mientras que la segunda solo en esta última localidad. Vallonia pulchella es un huésped intermediario potencial para gusanos parásitos que pueden afectar al ganado local, lo que resalta la necesidad de medidas de control sanitario. El descubrimiento de Vallonia cf. excentrica representa el primer registro de esta especie en América del Sur.
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