Nuevos registros de Molossus fluminensis Lataste, 1891 (Chiroptera, Molossidae) para Misiones, República Argentina
; Di Nucci, Dante Luis ; Díaz, María Mónica 
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10/2025
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Sociedad Argentina para el Estudio de los Mamíferos
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Notas sobre Mamíferos Sudamericanos
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2618-4788
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Español
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Se reportan nuevos registros de Molossus fluminensis Lataste, 1891 en la provincia de Misiones (Argentina), a partir de capturas y grabaciones acústicas. Entre 2020–2025 se capturaron cinco individuos y se registraron 80 pases y 540 pulsos de las llamadas de ecolocalización en diversas localidades de la provincia. Los registros amplían significativamente su distribución, extendiendo el rango de ocurrencia 169 km al norte y 139 km al este del país. Los resultados actualizan la información disponible para la especie en la región y evidencian el valor del monitoreo acústico como herramienta complementaria a los métodos tradicionales de muestreo.
New records of Molossus fluminensis Lataste, 1891 are reported from the province of Misiones (Argentina), based on specimen captures and acoustic recordings. Between 2020 and 2025, five individuals were captured, and 80 passes and 540 pulses of the species’ echolocation calls were recorded in several localities of the province. These records significantly expand the known distribution of this species, extending its range 169 km northward and 139 km eastward within the country. These findings update the current knowledge of the species in the country, and demonstrate the value of acoustic monitoring as a complementary tool to traditional sampling methods.
New records of Molossus fluminensis Lataste, 1891 are reported from the province of Misiones (Argentina), based on specimen captures and acoustic recordings. Between 2020 and 2025, five individuals were captured, and 80 passes and 540 pulses of the species’ echolocation calls were recorded in several localities of the province. These records significantly expand the known distribution of this species, extending its range 169 km northward and 139 km eastward within the country. These findings update the current knowledge of the species in the country, and demonstrate the value of acoustic monitoring as a complementary tool to traditional sampling methods.
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